[INFO] fetching crate pidfd 0.2.4...
[INFO] testing pidfd-0.2.4 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate pidfd 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pidfd 0.2.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pidfd 0.2.4
[INFO] finished tweaking crates.io crate pidfd 0.2.4
[INFO] tweaked toml for crates.io crate pidfd 0.2.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pidfd 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.2.0
[INFO] [stderr]   Downloaded fd-reactor v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bce8dc12bff19c1ee9fb9d55c50f9d65ac618e459125d54dd89408b13737ae49
[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" "bce8dc12bff19c1ee9fb9d55c50f9d65ac618e459125d54dd89408b13737ae49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce8dc12bff19c1ee9fb9d55c50f9d65ac618e459125d54dd89408b13737ae49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce8dc12bff19c1ee9fb9d55c50f9d65ac618e459125d54dd89408b13737ae49", kill_on_drop: false }`
[INFO] [stdout] bce8dc12bff19c1ee9fb9d55c50f9d65ac618e459125d54dd89408b13737ae49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf824750b4972c3ed20e0a4a9e41c809228a2764854f5dfc59947bdcc205ffb
[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" "5cf824750b4972c3ed20e0a4a9e41c809228a2764854f5dfc59947bdcc205ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling fd-reactor v0.1.0
[INFO] [stderr]    Compiling pidfd v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Mutex`, `Waker`, `mem::MaybeUninit`, `mpsc`, `time::Duration`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     mem::MaybeUninit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |         mpsc, Arc, Mutex,
[INFO] [stdout]    |         ^^^^       ^^^^^
[INFO] [stdout] 20 |     },
[INFO] [stdout] 21 |     task::{Context, Poll, Waker},
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 22 |     time::Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `P_PIDFD`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const P_PIDFD: libc::idtype_t = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "5cf824750b4972c3ed20e0a4a9e41c809228a2764854f5dfc59947bdcc205ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf824750b4972c3ed20e0a4a9e41c809228a2764854f5dfc59947bdcc205ffb", kill_on_drop: false }`
[INFO] [stdout] 5cf824750b4972c3ed20e0a4a9e41c809228a2764854f5dfc59947bdcc205ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cd840f75ffadb28a28b68accb52d18694d54e25b268d15c2fc02fbfd33abf1b
[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" "5cd840f75ffadb28a28b68accb52d18694d54e25b268d15c2fc02fbfd33abf1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stdout] warning: unused imports: `Mutex`, `Waker`, `mem::MaybeUninit`, `mpsc`, `time::Duration`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     mem::MaybeUninit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |         mpsc, Arc, Mutex,
[INFO] [stdout]    |         ^^^^       ^^^^^
[INFO] [stdout] 20 |     },
[INFO] [stdout] 21 |     task::{Context, Poll, Waker},
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 22 |     time::Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `P_PIDFD`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const P_PIDFD: libc::idtype_t = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling pidfd v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Mutex`, `Waker`, `mem::MaybeUninit`, `mpsc`, `time::Duration`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     mem::MaybeUninit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |         mpsc, Arc, Mutex,
[INFO] [stdout]    |         ^^^^       ^^^^^
[INFO] [stdout] 20 |     },
[INFO] [stdout] 21 |     task::{Context, Poll, Waker},
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 22 |     time::Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `P_PIDFD`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const P_PIDFD: libc::idtype_t = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.50s
[INFO] running `Command { std: "docker" "inspect" "5cd840f75ffadb28a28b68accb52d18694d54e25b268d15c2fc02fbfd33abf1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd840f75ffadb28a28b68accb52d18694d54e25b268d15c2fc02fbfd33abf1b", kill_on_drop: false }`
[INFO] [stdout] 5cd840f75ffadb28a28b68accb52d18694d54e25b268d15c2fc02fbfd33abf1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b08db560491a775553d4039574fbca57676ab0fa9a9000359910d6a7a8a53a16
[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" "b08db560491a775553d4039574fbca57676ab0fa9a9000359910d6a7a8a53a16", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Mutex`, `Waker`, `mem::MaybeUninit`, `mpsc`, `time::Duration`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     mem::MaybeUninit,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |         mpsc, Arc, Mutex,
[INFO] [stderr]    |         ^^^^       ^^^^^
[INFO] [stderr] 20 |     },
[INFO] [stderr] 21 |     task::{Context, Poll, Waker},
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 22 |     time::Duration,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `P_PIDFD`
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | const P_PIDFD: libc::idtype_t = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pidfd` (lib) generated 2 warnings
[INFO] [stderr] warning: `pidfd` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pidfd-534ffdd5cb4e0116)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pidfd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b08db560491a775553d4039574fbca57676ab0fa9a9000359910d6a7a8a53a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08db560491a775553d4039574fbca57676ab0fa9a9000359910d6a7a8a53a16", kill_on_drop: false }`
[INFO] [stdout] b08db560491a775553d4039574fbca57676ab0fa9a9000359910d6a7a8a53a16
