[INFO] crate gaol 0.2.1 is already in cache
[INFO] testing gaol-0.2.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate gaol 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gaol 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gaol 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate gaol 0.2.1
[INFO] tweaked toml for crates.io crate gaol 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate gaol 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 764ac92508b4aa1e7d9d10c6c5914634ebb646baced8b5f00a48762bb6fc67de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "764ac92508b4aa1e7d9d10c6c5914634ebb646baced8b5f00a48762bb6fc67de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "764ac92508b4aa1e7d9d10c6c5914634ebb646baced8b5f00a48762bb6fc67de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764ac92508b4aa1e7d9d10c6c5914634ebb646baced8b5f00a48762bb6fc67de", kill_on_drop: false }`
[INFO] [stdout] 764ac92508b4aa1e7d9d10c6c5914634ebb646baced8b5f00a48762bb6fc67de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e8e524fc78dec7b4365337e01528c93ebcab095deef18d8c78d64cae4c6b674
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e8e524fc78dec7b4365337e01528c93ebcab095deef18d8c78d64cae4c6b674", kill_on_drop: false }`
[INFO] [stderr]    Compiling gaol v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> sandbox.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(Command::new(try!(env::current_exe())))
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let jail = try!(ChrootJail::new(profile));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(jail.enter());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     try!(jail.bind_mount(path));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:199:10
[INFO] [stdout]     |
[INFO] [stdout] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:201:10
[INFO] [stdout]     |
[INFO] [stdout] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `platform::linux::seccomp`
[INFO] [stdout]   --> platform/linux/namespace.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use platform::linux::seccomp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_ulong`
[INFO] [stdout]   --> platform/linux/namespace.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 | use libc::{self, c_char, c_int, c_ulong, c_void, gid_t, pid_t, size_t, ssize_t, uid_t};
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_386`
[INFO] [stdout]   --> platform/linux/seccomp.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | const EM_386: u32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_PPC`
[INFO] [stdout]   --> platform/linux/seccomp.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | const EM_PPC: u32 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_PPC64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | const EM_PPC64: u32 = 21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_ARM`
[INFO] [stdout]   --> platform/linux/seccomp.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const EM_ARM: u32 = 40;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_AARCH64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | const EM_AARCH64: u32 = 183;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_X86`
[INFO] [stdout]   --> platform/linux/seccomp.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | const AUDIT_ARCH_X86: u32 = EM_386 | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_ARM`
[INFO] [stdout]   --> platform/linux/seccomp.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | const AUDIT_ARCH_ARM: u32 = EM_ARM | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_AARCH64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | const AUDIT_ARCH_AARCH64: u32 = EM_AARCH64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC`
[INFO] [stdout]   --> platform/linux/seccomp.rs:93:1
[INFO] [stdout]    |
[INFO] [stdout] 93 | const AUDIT_ARCH_PPC: u32 = EM_PPC;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:95:1
[INFO] [stdout]    |
[INFO] [stdout] 95 | const AUDIT_ARCH_PPC64: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC64LE`
[INFO] [stdout]   --> platform/linux/seccomp.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | const AUDIT_ARCH_PPC64LE: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "7e8e524fc78dec7b4365337e01528c93ebcab095deef18d8c78d64cae4c6b674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8e524fc78dec7b4365337e01528c93ebcab095deef18d8c78d64cae4c6b674", kill_on_drop: false }`
[INFO] [stdout] 7e8e524fc78dec7b4365337e01528c93ebcab095deef18d8c78d64cae4c6b674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e3f454aba002686ec413beb62039efd84b9b9fbf377a380753d60ad391b4e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86e3f454aba002686ec413beb62039efd84b9b9fbf377a380753d60ad391b4e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> sandbox.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(Command::new(try!(env::current_exe())))
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let jail = try!(ChrootJail::new(profile));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(jail.enter());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     try!(jail.bind_mount(path));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:199:10
[INFO] [stdout]     |
[INFO] [stdout] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:201:10
[INFO] [stdout]     |
[INFO] [stdout] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `platform::linux::seccomp`
[INFO] [stdout]   --> platform/linux/namespace.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use platform::linux::seccomp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_ulong`
[INFO] [stdout]   --> platform/linux/namespace.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 | use libc::{self, c_char, c_int, c_ulong, c_void, gid_t, pid_t, size_t, ssize_t, uid_t};
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_386`
[INFO] [stdout]   --> platform/linux/seccomp.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | const EM_386: u32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_PPC`
[INFO] [stdout]   --> platform/linux/seccomp.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | const EM_PPC: u32 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_PPC64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | const EM_PPC64: u32 = 21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_ARM`
[INFO] [stdout]   --> platform/linux/seccomp.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const EM_ARM: u32 = 40;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_AARCH64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | const EM_AARCH64: u32 = 183;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_X86`
[INFO] [stdout]   --> platform/linux/seccomp.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | const AUDIT_ARCH_X86: u32 = EM_386 | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_ARM`
[INFO] [stdout]   --> platform/linux/seccomp.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | const AUDIT_ARCH_ARM: u32 = EM_ARM | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_AARCH64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | const AUDIT_ARCH_AARCH64: u32 = EM_AARCH64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC`
[INFO] [stdout]   --> platform/linux/seccomp.rs:93:1
[INFO] [stdout]    |
[INFO] [stdout] 93 | const AUDIT_ARCH_PPC: u32 = EM_PPC;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:95:1
[INFO] [stdout]    |
[INFO] [stdout] 95 | const AUDIT_ARCH_PPC64: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC64LE`
[INFO] [stdout]   --> platform/linux/seccomp.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | const AUDIT_ARCH_PPC64LE: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling gaol v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ChildSandboxMethods`, `ChildSandbox`, `Command`, `SandboxMethods`, `Sandbox`
[INFO] [stdout]  --> tests/system-info-read.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use gaol::sandbox::{ChildSandbox, ChildSandboxMethods, Command, Sandbox, SandboxMethods};
[INFO] [stdout]   |                     ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `c_char`, `c_int`, `c_void`, `size_t`
[INFO] [stdout]  --> tests/system-info-read.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use libc::{c_char, c_int, c_void, size_t};
[INFO] [stdout]   |            ^^^^^^  ^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> tests/system-info-read.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]   --> tests/system-info-read.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ffi::CString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]   --> tests/system-info-read.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::iter;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]   --> tests/system-info-read.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::ptr;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> sandbox.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(Command::new(try!(env::current_exe())))
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let jail = try!(ChrootJail::new(profile));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(jail.enter());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> platform/linux/namespace.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     try!(jail.bind_mount(path));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:199:10
[INFO] [stdout]     |
[INFO] [stdout] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> platform/linux/namespace.rs:201:10
[INFO] [stdout]     |
[INFO] [stdout] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `platform::linux::seccomp`
[INFO] [stdout]   --> platform/linux/namespace.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use platform::linux::seccomp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_ulong`
[INFO] [stdout]   --> platform/linux/namespace.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 | use libc::{self, c_char, c_int, c_ulong, c_void, gid_t, pid_t, size_t, ssize_t, uid_t};
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SYSCTL_NAME`
[INFO] [stdout]   --> tests/system-info-read.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | static SYSCTL_NAME: &'static str = "hw.ncpu";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `allowance_profile`
[INFO] [stdout]   --> tests/system-info-read.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn allowance_profile() -> Profile {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prohibition_profile`
[INFO] [stdout]   --> tests/system-info-read.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn prohibition_profile() -> Profile {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_386`
[INFO] [stdout]   --> platform/linux/seccomp.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | const EM_386: u32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_PPC`
[INFO] [stdout]   --> platform/linux/seccomp.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | const EM_PPC: u32 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_PPC64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | const EM_PPC64: u32 = 21;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_ARM`
[INFO] [stdout]   --> platform/linux/seccomp.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const EM_ARM: u32 = 40;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EM_AARCH64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | const EM_AARCH64: u32 = 183;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_X86`
[INFO] [stdout]   --> platform/linux/seccomp.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | const AUDIT_ARCH_X86: u32 = EM_386 | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_ARM`
[INFO] [stdout]   --> platform/linux/seccomp.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | const AUDIT_ARCH_ARM: u32 = EM_ARM | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_AARCH64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | const AUDIT_ARCH_AARCH64: u32 = EM_AARCH64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC`
[INFO] [stdout]   --> platform/linux/seccomp.rs:93:1
[INFO] [stdout]    |
[INFO] [stdout] 93 | const AUDIT_ARCH_PPC: u32 = EM_PPC;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC64`
[INFO] [stdout]   --> platform/linux/seccomp.rs:95:1
[INFO] [stdout]    |
[INFO] [stdout] 95 | const AUDIT_ARCH_PPC64: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIT_ARCH_PPC64LE`
[INFO] [stdout]   --> platform/linux/seccomp.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | const AUDIT_ARCH_PPC64LE: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "86e3f454aba002686ec413beb62039efd84b9b9fbf377a380753d60ad391b4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e3f454aba002686ec413beb62039efd84b9b9fbf377a380753d60ad391b4e3", kill_on_drop: false }`
[INFO] [stdout] 86e3f454aba002686ec413beb62039efd84b9b9fbf377a380753d60ad391b4e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97ab082a8e43ecc954bd89017cfb06a54b9442179e39608e8b1fd75ecac5f0f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "97ab082a8e43ecc954bd89017cfb06a54b9442179e39608e8b1fd75ecac5f0f4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> sandbox.rs:79:25
[INFO] [stderr]    |
[INFO] [stderr] 79 |         Ok(Command::new(try!(env::current_exe())))
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> platform/linux/namespace.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let jail = try!(ChrootJail::new(profile));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> platform/linux/namespace.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(jail.enter());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> platform/linux/namespace.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     try!(jail.bind_mount(path));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:196:10
[INFO] [stderr]     |
[INFO] [stderr] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:199:10
[INFO] [stderr]     |
[INFO] [stderr] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:201:10
[INFO] [stderr]     |
[INFO] [stderr] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `platform::linux::seccomp`
[INFO] [stderr]   --> platform/linux/namespace.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use platform::linux::seccomp;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `c_ulong`
[INFO] [stderr]   --> platform/linux/namespace.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 | use libc::{self, c_char, c_int, c_ulong, c_void, gid_t, pid_t, size_t, ssize_t, uid_t};
[INFO] [stderr]    |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_386`
[INFO] [stderr]   --> platform/linux/seccomp.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | const EM_386: u32 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> sandbox.rs:79:25
[INFO] [stderr]    |
[INFO] [stderr] 79 |         Ok(Command::new(try!(env::current_exe())))
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> platform/linux/namespace.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let jail = try!(ChrootJail::new(profile));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> platform/linux/namespace.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(jail.enter());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_PPC`
[INFO] [stderr]   --> platform/linux/seccomp.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | const EM_PPC: u32 = 20;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_PPC64`
[INFO] [stderr]   --> platform/linux/seccomp.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | const EM_PPC64: u32 = 21;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_ARM`
[INFO] [stderr]   --> platform/linux/seccomp.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | const EM_ARM: u32 = 40;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> platform/linux/namespace.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     try!(jail.bind_mount(path));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_AARCH64`
[INFO] [stderr]   --> platform/linux/seccomp.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | const EM_AARCH64: u32 = 183;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_X86`
[INFO] [stderr]   --> platform/linux/seccomp.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | const AUDIT_ARCH_X86: u32 = EM_386 | __AUDIT_ARCH_LE;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:196:10
[INFO] [stderr]     |
[INFO] [stderr] 196 |     try!(try!(File::create(&Path::new("/proc/self/setgroups"))).write_all(b"deny"));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_ARM`
[INFO] [stderr]   --> platform/linux/seccomp.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | const AUDIT_ARCH_ARM: u32 = EM_ARM | __AUDIT_ARCH_LE;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_AARCH64`
[INFO] [stderr]   --> platform/linux/seccomp.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | const AUDIT_ARCH_AARCH64: u32 = EM_AARCH64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_PPC`
[INFO] [stderr]   --> platform/linux/seccomp.rs:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | const AUDIT_ARCH_PPC: u32 = EM_PPC;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:199:10
[INFO] [stderr]     |
[INFO] [stderr] 199 |     try!(try!(File::create(&Path::new("/proc/self/gid_map"))).write_all(gid_contents.as_bytes()));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_PPC64`
[INFO] [stderr]   --> platform/linux/seccomp.rs:95:1
[INFO] [stderr]    |
[INFO] [stderr] 95 | const AUDIT_ARCH_PPC64: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_PPC64LE`
[INFO] [stderr]   --> platform/linux/seccomp.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | const AUDIT_ARCH_PPC64LE: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> platform/linux/namespace.rs:201:10
[INFO] [stderr]     |
[INFO] [stderr] 201 |     try!(try!(File::create(&Path::new("/proc/self/uid_map"))).write_all(uid_contents.as_bytes()));
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `platform::linux::seccomp`
[INFO] [stderr]   --> platform/linux/namespace.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use platform::linux::seccomp;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `c_ulong`
[INFO] [stderr]   --> platform/linux/namespace.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 | use libc::{self, c_char, c_int, c_ulong, c_void, gid_t, pid_t, size_t, ssize_t, uid_t};
[INFO] [stderr]    |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_386`
[INFO] [stderr]   --> platform/linux/seccomp.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | const EM_386: u32 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_PPC`
[INFO] [stderr]   --> platform/linux/seccomp.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | const EM_PPC: u32 = 20;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_PPC64`
[INFO] [stderr]   --> platform/linux/seccomp.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | const EM_PPC64: u32 = 21;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_ARM`
[INFO] [stderr]   --> platform/linux/seccomp.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | const EM_ARM: u32 = 40;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EM_AARCH64`
[INFO] [stderr]   --> platform/linux/seccomp.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | const EM_AARCH64: u32 = 183;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_X86`
[INFO] [stderr]   --> platform/linux/seccomp.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | const AUDIT_ARCH_X86: u32 = EM_386 | __AUDIT_ARCH_LE;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_ARM`
[INFO] [stderr]   --> platform/linux/seccomp.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | const AUDIT_ARCH_ARM: u32 = EM_ARM | __AUDIT_ARCH_LE;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_AARCH64`
[INFO] [stderr]   --> platform/linux/seccomp.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | const AUDIT_ARCH_AARCH64: u32 = EM_AARCH64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_PPC`
[INFO] [stderr]   --> platform/linux/seccomp.rs:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | const AUDIT_ARCH_PPC: u32 = EM_PPC;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_PPC64`
[INFO] [stderr]   --> platform/linux/seccomp.rs:95:1
[INFO] [stderr]    |
[INFO] [stderr] 95 | const AUDIT_ARCH_PPC64: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUDIT_ARCH_PPC64LE`
[INFO] [stderr]   --> platform/linux/seccomp.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | const AUDIT_ARCH_PPC64LE: u32 = EM_PPC64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ChildSandboxMethods`, `ChildSandbox`, `Command`, `SandboxMethods`, `Sandbox`
[INFO] [stderr]  --> tests/system-info-read.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use gaol::sandbox::{ChildSandbox, ChildSandboxMethods, Command, Sandbox, SandboxMethods};
[INFO] [stderr]   |                     ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `c_char`, `c_int`, `c_void`, `size_t`
[INFO] [stderr]  --> tests/system-info-read.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | use libc::{c_char, c_int, c_void, size_t};
[INFO] [stderr]   |            ^^^^^^  ^^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> tests/system-info-read.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::CString`
[INFO] [stderr]   --> tests/system-info-read.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ffi::CString;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]   --> tests/system-info-read.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::iter;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]   --> tests/system-info-read.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ptr;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `SYSCTL_NAME`
[INFO] [stderr]   --> tests/system-info-read.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | static SYSCTL_NAME: &'static str = "hw.ncpu";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `allowance_profile`
[INFO] [stderr]   --> tests/system-info-read.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn allowance_profile() -> Profile {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prohibition_profile`
[INFO] [stderr]   --> tests/system-info-read.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn prohibition_profile() -> Profile {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gaol-6063febbcb1f62ce
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_read_all-a12c5493480cd17e
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] thread 'main' panicked at 'assertion failed: libc::unshare(libc::CLONE_NEWUSER | libc::CLONE_NEWPID) == 0', platform/linux/namespace.rs:193:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55edb2a9ddd5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55edb2a9ddd5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55edb2a9ddd5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55edb2a9ddd5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55edb2abc3ec - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55edb2a9bcb2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x55edb2aa0210 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55edb2aa0210 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55edb2aa0210 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55edb2a9ff5c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55edb2aa0853 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55edb2a8dea9 - std::panicking::begin_panic::h3178c92f1d1bcb53
[INFO] [stderr]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55edb2a88d23 - gaol::platform::linux::namespace::prepare_user_and_pid_namespaces::hf61b9cd6e74aec28
[INFO] [stderr]                                at platform/linux/namespace.rs:193
[INFO] [stderr]   13:     0x55edb2a8977d - gaol::platform::linux::namespace::start::h083da9593e3f2898
[INFO] [stderr]                                at platform/linux/namespace.rs:243
[INFO] [stderr]   14:     0x55edb2a8d325 - <gaol::platform::linux::Sandbox as gaol::sandbox::SandboxMethods>::start::h3717ace4bb7a2a94
[INFO] [stderr]                                at platform/linux/mod.rs:72
[INFO] [stderr]   15:     0x55edb2a2a94b - file_read_all::main::h18711d8b5bcc6145
[INFO] [stderr]                                at tests/file-read-all.rs:74
[INFO] [stderr]   16:     0x55edb2a2c15b - std::rt::lang_start::{{closure}}::heb20c644d4126afd
[INFO] [stderr]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55edb2aa0c23 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55edb2aa0c23 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                at src/libstd/panicking.rs:348
[INFO] [stderr]   19:     0x55edb2aa0c23 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                at src/libstd/panicking.rs:325
[INFO] [stderr]   20:     0x55edb2aa0c23 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55edb2aa0c23 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55edb2a2c137 - std::rt::lang_start::hced8fe2f300531b3
[INFO] [stderr]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55edb2a2adfa - main
[INFO] [stderr]   24:     0x7ff3b6cb20b3 - __libc_start_main
[INFO] [stderr]   25:     0x55edb2a2319e - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] thread 'main' panicked at 'assertion failed: libc::read(pipe_fds[0], &mut grandchild_pid as *mut i32 as *mut c_void,
[INFO] [stderr]            mem::size_of::<pid_t>() as size_t) ==
[INFO] [stderr]     mem::size_of::<pid_t>() as ssize_t', platform/linux/namespace.rs:271:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55edb2a9ddd5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55edb2a9ddd5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55edb2a9ddd5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55edb2a9ddd5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55edb2abc3ec - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55edb2a9bcb2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x55edb2aa0210 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55edb2aa0210 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55edb2aa0210 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55edb2a9ff5c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55edb2aa0853 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55edb2a8dea9 - std::panicking::begin_panic::h3178c92f1d1bcb53
[INFO] [stderr]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55edb2a899a3 - gaol::platform::linux::namespace::start::h083da9593e3f2898
[INFO] [stderr]                                at platform/linux/namespace.rs:271
[INFO] [stderr]   13:     0x55edb2a8d325 - <gaol::platform::linux::Sandbox as gaol::sandbox::SandboxMethods>::start::h3717ace4bb7a2a94
[INFO] [stderr]                                at platform/linux/mod.rs:72
[INFO] [stderr]   14:     0x55edb2a2a94b - file_read_all::main::h18711d8b5bcc6145
[INFO] [stderr]                                at tests/file-read-all.rs:74
[INFO] [stderr]   15:     0x55edb2a2c15b - std::rt::lang_start::{{closure}}::heb20c644d4126afd
[INFO] [stderr]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]   16:     0x55edb2aa0c23 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   17:     0x55edb2aa0c23 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                at src/libstd/panicking.rs:348
[INFO] [stderr]   18:     0x55edb2aa0c23 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                at src/libstd/panicking.rs:325
[INFO] [stderr]   19:     0x55edb2aa0c23 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55edb2aa0c23 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   21:     0x55edb2a2c137 - std::rt::lang_start::hced8fe2f300531b3
[INFO] [stderr]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]   22:     0x55edb2a2adfa - main
[INFO] [stderr]   23:     0x7ff3b6cb20b3 - __libc_start_main
[INFO] [stderr]   24:     0x55edb2a2319e - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass '--test file-read-all'
[INFO] running `Command { std: "docker" "inspect" "97ab082a8e43ecc954bd89017cfb06a54b9442179e39608e8b1fd75ecac5f0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ab082a8e43ecc954bd89017cfb06a54b9442179e39608e8b1fd75ecac5f0f4", kill_on_drop: false }`
[INFO] [stdout] 97ab082a8e43ecc954bd89017cfb06a54b9442179e39608e8b1fd75ecac5f0f4