[INFO] cloning repository https://github.com/jthornber/lvm-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jthornber/lvm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthornber%2Flvm-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthornber%2Flvm-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4084c73fbcfea9d4844171da65f25abaef331c64
[INFO] testing jthornber/lvm-rust against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthornber%2Flvm-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jthornber/lvm-rust on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jthornber/lvm-rust
[INFO] finished tweaking git repo https://github.com/jthornber/lvm-rust
[INFO] tweaked toml for git repo https://github.com/jthornber/lvm-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jthornber/lvm-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc513d9feec31bf5fb17fdc8f88f77dd780f17e0788116d02a6a629e6a6e0cfd
[INFO] running `Command { std: "docker" "start" "-a" "fc513d9feec31bf5fb17fdc8f88f77dd780f17e0788116d02a6a629e6a6e0cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc513d9feec31bf5fb17fdc8f88f77dd780f17e0788116d02a6a629e6a6e0cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc513d9feec31bf5fb17fdc8f88f77dd780f17e0788116d02a6a629e6a6e0cfd", kill_on_drop: false }`
[INFO] [stdout] fc513d9feec31bf5fb17fdc8f88f77dd780f17e0788116d02a6a629e6a6e0cfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab45c813aa9fb2da939915653b331bef4f8385c8a478c14d47c7354b7f30591a
[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" "ab45c813aa9fb2da939915653b331bef4f8385c8a478c14d47c7354b7f30591a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling strsim v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling yaml-rust v0.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling clap v2.18.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling lvm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `used_underscore_binding`
[INFO] [stdout]   --> src/device_mapper/low_level.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![allow(used_underscore_binding)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `if_not_else`
[INFO] [stdout]   --> src/device_mapper/low_level.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![allow(if_not_else)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:77:1
[INFO] [stdout]     |
[INFO] [stdout] 77  | / bitflags!(
[INFO] [stdout] 78  | |     /// Flags used by devicemapper.
[INFO] [stdout] 79  | |     flags DmFlags: u32 {
[INFO] [stdout] 80  | |         /// In: Device should be read-only.
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     }
[INFO] [stdout] 118 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:77:1
[INFO] [stdout]     |
[INFO] [stdout] 77  | / bitflags!(
[INFO] [stdout] 78  | |     /// Flags used by devicemapper.
[INFO] [stdout] 79  | |     flags DmFlags: u32 {
[INFO] [stdout] 80  | |         /// In: Device should be read-only.
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     }
[INFO] [stdout] 118 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:381:36
[INFO] [stdout]     |
[INFO] [stdout] 381 |         Ok(DMIoctl { control_file: try!(File::open(&path)) })
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |         try!(self.exec(cmd, IoctlBuffer::new(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         try!(self.exec(cmd, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:434:19
[INFO] [stdout]     |
[INFO] [stdout] 434 |         let buf = try!(self.exec(IoctlCode::DmVersion, IoctlBuffer::new(0)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:444:19
[INFO] [stdout]     |
[INFO] [stdout] 444 |         let buf = try!(self.exec(IoctlCode::DmListDevices,
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:500:9
[INFO] [stdout]     |
[INFO] [stdout] 500 |         try!(self.exec(IoctlCode::DmDevSuspend, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let f = try!(File::open("/proc/devices"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     try!(dm.create(&id));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     try!(dm.load(&id, &table.to_dm_targets()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     try!(dm.resume(&id));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let output = try!(Command::new("ls")
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     try!(dm.remove(&id));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device_mapper/high_level.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     targets: Vec<Box<Target + 'a>>
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Target + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/device_mapper/utils.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parse_majors(reader: &mut std::io::BufRead) -> Option<Vec<u32>> {
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:54:63
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn scenario_basic_overwrite_linear(cfg: &TestConfig, dm: &mut DMInterface) -> io::Result<()> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn DMInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/device_mapper/low_level.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         header.flags.insert(DM_SUSPEND);
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.68s
[INFO] running `Command { std: "docker" "inspect" "ab45c813aa9fb2da939915653b331bef4f8385c8a478c14d47c7354b7f30591a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab45c813aa9fb2da939915653b331bef4f8385c8a478c14d47c7354b7f30591a", kill_on_drop: false }`
[INFO] [stdout] ab45c813aa9fb2da939915653b331bef4f8385c8a478c14d47c7354b7f30591a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15df6bdf0f29665392f9632ed5370c875ae1168fd0c591995b4813b0f28d138e
[INFO] running `Command { std: "docker" "start" "-a" "15df6bdf0f29665392f9632ed5370c875ae1168fd0c591995b4813b0f28d138e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lvm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `used_underscore_binding`
[INFO] [stdout]   --> src/device_mapper/low_level.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![allow(used_underscore_binding)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `if_not_else`
[INFO] [stdout]   --> src/device_mapper/low_level.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![allow(if_not_else)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:77:1
[INFO] [stdout]     |
[INFO] [stdout] 77  | / bitflags!(
[INFO] [stdout] 78  | |     /// Flags used by devicemapper.
[INFO] [stdout] 79  | |     flags DmFlags: u32 {
[INFO] [stdout] 80  | |         /// In: Device should be read-only.
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     }
[INFO] [stdout] 118 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:77:1
[INFO] [stdout]     |
[INFO] [stdout] 77  | / bitflags!(
[INFO] [stdout] 78  | |     /// Flags used by devicemapper.
[INFO] [stdout] 79  | |     flags DmFlags: u32 {
[INFO] [stdout] 80  | |         /// In: Device should be read-only.
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     }
[INFO] [stdout] 118 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:381:36
[INFO] [stdout]     |
[INFO] [stdout] 381 |         Ok(DMIoctl { control_file: try!(File::open(&path)) })
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |         try!(self.exec(cmd, IoctlBuffer::new(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         try!(self.exec(cmd, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:434:19
[INFO] [stdout]     |
[INFO] [stdout] 434 |         let buf = try!(self.exec(IoctlCode::DmVersion, IoctlBuffer::new(0)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:444:19
[INFO] [stdout]     |
[INFO] [stdout] 444 |         let buf = try!(self.exec(IoctlCode::DmListDevices,
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/low_level.rs:500:9
[INFO] [stdout]     |
[INFO] [stdout] 500 |         try!(self.exec(IoctlCode::DmDevSuspend, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_mapper/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let f = try!(File::open("/proc/devices"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     try!(dm.create(&id));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     try!(dm.load(&id, &table.to_dm_targets()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     try!(dm.resume(&id));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let output = try!(Command::new("ls")
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     try!(dm.remove(&id));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device_mapper/high_level.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     targets: Vec<Box<Target + 'a>>
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Target + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/device_mapper/utils.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parse_majors(reader: &mut std::io::BufRead) -> Option<Vec<u32>> {
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:54:63
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn scenario_basic_overwrite_linear(cfg: &TestConfig, dm: &mut DMInterface) -> io::Result<()> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn DMInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]    --> src/device_mapper/low_level.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         header.flags.insert(DM_SUSPEND);
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "15df6bdf0f29665392f9632ed5370c875ae1168fd0c591995b4813b0f28d138e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15df6bdf0f29665392f9632ed5370c875ae1168fd0c591995b4813b0f28d138e", kill_on_drop: false }`
[INFO] [stdout] 15df6bdf0f29665392f9632ed5370c875ae1168fd0c591995b4813b0f28d138e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd0962b4309af9caa8402ba2911a166437d139a538c777c456a0886b75c02729
[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" "cd0962b4309af9caa8402ba2911a166437d139a538c777c456a0886b75c02729", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unknown lint: `used_underscore_binding`
[INFO] [stderr]   --> src/device_mapper/low_level.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #![allow(used_underscore_binding)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `if_not_else`
[INFO] [stderr]   --> src/device_mapper/low_level.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![allow(if_not_else)]
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/low_level.rs:77:1
[INFO] [stderr]     |
[INFO] [stderr] 77  | / bitflags!(
[INFO] [stderr] 78  | |     /// Flags used by devicemapper.
[INFO] [stderr] 79  | |     flags DmFlags: u32 {
[INFO] [stderr] 80  | |         /// In: Device should be read-only.
[INFO] [stderr] ...   |
[INFO] [stderr] 117 | |     }
[INFO] [stderr] 118 | | );
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/low_level.rs:77:1
[INFO] [stderr]     |
[INFO] [stderr] 77  | / bitflags!(
[INFO] [stderr] 78  | |     /// Flags used by devicemapper.
[INFO] [stderr] 79  | |     flags DmFlags: u32 {
[INFO] [stderr] 80  | |         /// In: Device should be read-only.
[INFO] [stderr] ...   |
[INFO] [stderr] 117 | |     }
[INFO] [stderr] 118 | | );
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/low_level.rs:381:36
[INFO] [stderr]     |
[INFO] [stderr] 381 |         Ok(DMIoctl { control_file: try!(File::open(&path)) })
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/low_level.rs:409:9
[INFO] [stderr]     |
[INFO] [stderr] 409 |         try!(self.exec(cmd, IoctlBuffer::new(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/low_level.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |         try!(self.exec(cmd, buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/low_level.rs:434:19
[INFO] [stderr]     |
[INFO] [stderr] 434 |         let buf = try!(self.exec(IoctlCode::DmVersion, IoctlBuffer::new(0)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/low_level.rs:444:19
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let buf = try!(self.exec(IoctlCode::DmListDevices,
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/low_level.rs:500:9
[INFO] [stderr]     |
[INFO] [stderr] 500 |         try!(self.exec(IoctlCode::DmDevSuspend, buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/device_mapper/utils.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |     let f = try!(File::open("/proc/devices"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     try!(dm.create(&id));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     try!(dm.load(&id, &table.to_dm_targets()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     try!(dm.resume(&id));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let output = try!(Command::new("ls")
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     try!(dm.remove(&id));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device_mapper/high_level.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     targets: Vec<Box<Target + 'a>>
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Target + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/device_mapper/utils.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn parse_majors(reader: &mut std::io::BufRead) -> Option<Vec<u32>> {
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:63
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn scenario_basic_overwrite_linear(cfg: &TestConfig, dm: &mut DMInterface) -> io::Result<()> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn DMInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]    --> src/device_mapper/low_level.rs:499:9
[INFO] [stderr]     |
[INFO] [stderr] 499 |         header.flags.insert(DM_SUSPEND);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lvm_rust-6f0f9c5eac3412d5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test device_mapper::utils::tests::test_parse_majors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cd0962b4309af9caa8402ba2911a166437d139a538c777c456a0886b75c02729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0962b4309af9caa8402ba2911a166437d139a538c777c456a0886b75c02729", kill_on_drop: false }`
[INFO] [stdout] cd0962b4309af9caa8402ba2911a166437d139a538c777c456a0886b75c02729
