[INFO] cloning repository https://github.com/kamalmarhubi/containy-thing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamalmarhubi/containy-thing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fcontainy-thing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fcontainy-thing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0548fd0edaf7f7d10a19cbd834abe78f548c8d0
[INFO] checking kamalmarhubi/containy-thing against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fcontainy-thing" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamalmarhubi/containy-thing on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamalmarhubi/containy-thing
[INFO] finished tweaking git repo https://github.com/kamalmarhubi/containy-thing
[INFO] tweaked toml for git repo https://github.com/kamalmarhubi/containy-thing written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kamalmarhubi/containy-thing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kernel32-sys v0.2.1
[INFO] [stderr]   Downloaded ansi_term v0.8.0
[INFO] [stderr]   Downloaded tempdir v0.3.4
[INFO] [stderr]   Downloaded term_size v0.1.1
[INFO] [stderr]   Downloaded walkdir v0.1.5
[INFO] [stderr]   Downloaded clap v2.10.4
[INFO] [stderr]   Downloaded winapi v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08aedf271b827a9a4150d878d16c734be71e61ebc2be013b9410d9493bdd9d51
[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" "08aedf271b827a9a4150d878d16c734be71e61ebc2be013b9410d9493bdd9d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08aedf271b827a9a4150d878d16c734be71e61ebc2be013b9410d9493bdd9d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08aedf271b827a9a4150d878d16c734be71e61ebc2be013b9410d9493bdd9d51", kill_on_drop: false }`
[INFO] [stdout] 08aedf271b827a9a4150d878d16c734be71e61ebc2be013b9410d9493bdd9d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172adccc26edc25cd6131f9c033fa2669eb6a88c5ddeb6ca69f6d452cd5739f5
[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" "172adccc26edc25cd6131f9c033fa2669eb6a88c5ddeb6ca69f6d452cd5739f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking strsim v0.5.1
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking either v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.1.1
[INFO] [stderr]     Checking tempdir v0.3.4
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking itertools v0.5.5
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.10.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking walkdir v0.1.5
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking containy-thing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:180:20
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let old_root = try!(TempDir::new_in(check!(env::current_dir()), "old-root"));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     try!(pivot_root(".", old_root.path()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:201:22
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut uidmap = try!(OpenOptions::new()
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     try!(uidmap.write(format!("0 {} 1", uid).as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags`
[INFO] [stdout]   --> src/main.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC};
[INFO] [stdout]    |                                  ^^^^^^^              ^^^^^^^^           ^^^^^^^^^                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS`
[INFO] [stdout]   --> src/main.rs:27:69
[INFO] [stdout]    |
[INFO] [stdout] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET,
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 28 |                  CLONE_NEWIPC};
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WalkDirIterator`, `WalkDir`
[INFO] [stdout]   --> src/main.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 | use walkdir::{WalkDir, WalkDirIterator};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | type Error = Box<std::error::Error + Send + Sync>;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:180:20
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let old_root = try!(TempDir::new_in(check!(env::current_dir()), "old-root"));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     try!(pivot_root(".", old_root.path()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:201:22
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut uidmap = try!(OpenOptions::new()
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     try!(uidmap.write(format!("0 {} 1", uid).as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags`
[INFO] [stdout]   --> src/main.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC};
[INFO] [stdout]    |                                  ^^^^^^^              ^^^^^^^^           ^^^^^^^^^                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS`
[INFO] [stdout]   --> src/main.rs:27:69
[INFO] [stdout]    |
[INFO] [stdout] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET,
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 28 |                  CLONE_NEWIPC};
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WalkDirIterator`, `WalkDir`
[INFO] [stdout]   --> src/main.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 | use walkdir::{WalkDir, WalkDirIterator};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | type Error = Box<std::error::Error + Send + Sync>;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gid`
[INFO] [stdout]    --> src/main.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let (uid, gid) = (getuid(), getgid());
[INFO] [stdout]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_gid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gid`
[INFO] [stdout]    --> src/main.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let (uid, gid) = (getuid(), getgid());
[INFO] [stdout]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_gid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `Command { std: "docker" "inspect" "172adccc26edc25cd6131f9c033fa2669eb6a88c5ddeb6ca69f6d452cd5739f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172adccc26edc25cd6131f9c033fa2669eb6a88c5ddeb6ca69f6d452cd5739f5", kill_on_drop: false }`
[INFO] [stdout] 172adccc26edc25cd6131f9c033fa2669eb6a88c5ddeb6ca69f6d452cd5739f5