[INFO] crate pidfd 0.2.4 is already in cache
[INFO] testing pidfd-0.2.4 against 1.45.2 for beta-1.46-1
[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 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7155de60a7d4a766a00f7d7ad20c55453f100ee799a336d3f4e0287d781e131
[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" "a7155de60a7d4a766a00f7d7ad20c55453f100ee799a336d3f4e0287d781e131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7155de60a7d4a766a00f7d7ad20c55453f100ee799a336d3f4e0287d781e131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7155de60a7d4a766a00f7d7ad20c55453f100ee799a336d3f4e0287d781e131", kill_on_drop: false }`
[INFO] [stdout] a7155de60a7d4a766a00f7d7ad20c55453f100ee799a336d3f4e0287d781e131
[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" "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" "+1.45.2" "build" "--frozen" "--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] 222d2f463a4c36ca9431b6f12beb4ba13fc3b50f6aeeea073ca097219f6b5b55
[INFO] running `Command { std: "docker" "start" "-a" "222d2f463a4c36ca9431b6f12beb4ba13fc3b50f6aeeea073ca097219f6b5b55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling once_cell v1.2.0
[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 2.75s
[INFO] running `Command { std: "docker" "inspect" "222d2f463a4c36ca9431b6f12beb4ba13fc3b50f6aeeea073ca097219f6b5b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222d2f463a4c36ca9431b6f12beb4ba13fc3b50f6aeeea073ca097219f6b5b55", kill_on_drop: false }`
[INFO] [stdout] 222d2f463a4c36ca9431b6f12beb4ba13fc3b50f6aeeea073ca097219f6b5b55
[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" "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" "+1.45.2" "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] 6d13c0e51ac98e0c18085147f4abd0625ba35dd3d6cc161f56bfd2f19215ce68
[INFO] running `Command { std: "docker" "start" "-a" "6d13c0e51ac98e0c18085147f4abd0625ba35dd3d6cc161f56bfd2f19215ce68", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.1
[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 quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[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 25.88s
[INFO] running `Command { std: "docker" "inspect" "6d13c0e51ac98e0c18085147f4abd0625ba35dd3d6cc161f56bfd2f19215ce68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d13c0e51ac98e0c18085147f4abd0625ba35dd3d6cc161f56bfd2f19215ce68", kill_on_drop: false }`
[INFO] [stdout] 6d13c0e51ac98e0c18085147f4abd0625ba35dd3d6cc161f56bfd2f19215ce68
[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" "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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62a9750af735c6e43fe74ec275b2296e22702a7a1f025999a89cfa0ae197cd49
[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" "62a9750af735c6e43fe74ec275b2296e22702a7a1f025999a89cfa0ae197cd49", 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `Mutex`, `Waker`, `mem::MaybeUninit`, `mpsc`, `time::Duration`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 10 |     mem::MaybeUninit,
[INFO] [stdout] 
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pidfd-58e9ebeadcad0e28
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62a9750af735c6e43fe74ec275b2296e22702a7a1f025999a89cfa0ae197cd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a9750af735c6e43fe74ec275b2296e22702a7a1f025999a89cfa0ae197cd49", kill_on_drop: false }`
[INFO] [stdout] 62a9750af735c6e43fe74ec275b2296e22702a7a1f025999a89cfa0ae197cd49