[INFO] fetching crate pidfd 0.2.4...
[INFO] checking pidfd-0.2.4 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate pidfd 0.2.4 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pidfd 0.2.4 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pidfd 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-reactor v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 261922b1773c8f3b3f9c6857c993fbf99108a087507499c37a480e75e835bd48
[INFO] running `Command { std: "docker" "start" "-a" "261922b1773c8f3b3f9c6857c993fbf99108a087507499c37a480e75e835bd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261922b1773c8f3b3f9c6857c993fbf99108a087507499c37a480e75e835bd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261922b1773c8f3b3f9c6857c993fbf99108a087507499c37a480e75e835bd48", kill_on_drop: false }`
[INFO] [stdout] 261922b1773c8f3b3f9c6857c993fbf99108a087507499c37a480e75e835bd48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a5fb3ff3db10f77d11b065f60d4f120d5f4f695ce05443ead6f2dd27198f697
[INFO] running `Command { std: "docker" "start" "-a" "2a5fb3ff3db10f77d11b065f60d4f120d5f4f695ce05443ead6f2dd27198f697", 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 proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking fd-reactor v0.1.0
[INFO] [stderr]     Checking pidfd v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Mutex`, `Waker`, `mem::MaybeUninit`, `mpsc`, and `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 `P_PIDFD` is never used
[INFO] [stdout]   --> src/lib.rs:27:7
[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] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/8c32e313cccf7df531e2d49ffb8227bb92304aee/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "proc-macro-hack", "proc-macro-nested", "read-initializer", "sink", "slab", "std", "tokio-io", "unstable"))' -C metadata=156411ae3e27dd39 -C extra-filename=-0f740fba98913f2c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-c4bc7b8d35a9a5ef.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-1abc7ead35b4a1f4.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-3f9c6b15ee2b05c4.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-e48dba31268144b2.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-c29375147a60b174.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-b268470211eab5e4.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-04e673d300459656.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-13e5368b08035d94.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-507778270653f5cb.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-20aee8cbe9384932.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-c58d8639994a67ee.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `Command { std: "docker" "inspect" "2a5fb3ff3db10f77d11b065f60d4f120d5f4f695ce05443ead6f2dd27198f697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5fb3ff3db10f77d11b065f60d4f120d5f4f695ce05443ead6f2dd27198f697", kill_on_drop: false }`
[INFO] [stdout] 2a5fb3ff3db10f77d11b065f60d4f120d5f4f695ce05443ead6f2dd27198f697