[INFO] crate ff-find 0.24.11 is already in cache
[INFO] checking ff-find-0.24.11 against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919
[INFO] extracting crate ff-find 0.24.11 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ff-find 0.24.11 on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ff-find 0.24.11
[INFO] finished tweaking crates.io crate ff-find 0.24.11
[INFO] tweaked toml for crates.io crate ff-find 0.24.11 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate ff-find 0.24.11 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 302612616bf171e3c9c1d9076fc25e93b08ab0587be05f99decfdf3b0bde9a02
[INFO] running `"docker" "start" "-a" "302612616bf171e3c9c1d9076fc25e93b08ab0587be05f99decfdf3b0bde9a02"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling ff-find v0.24.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/exec/nonblock.rs:67:69
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/exec/nonblock.rs:126:69
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/exec/nonblock.rs:67:69
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/exec/nonblock.rs:126:69
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ff-find`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ff src/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=c230c86c3794f122 -C extra-filename=-c230c86c3794f122 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-8bcec0ce75df65a4.rmeta --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-ccad1ffe4a8d12d4.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-444cf97d3ce19e92.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-2316c9f00fcfd1fc.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-ad6181ed54836f0c.rmeta --extern globset=/opt/rustwide/target/debug/deps/libglobset-e9bedf4c4252278f.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-aee0772e5823259a.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-05bdecca062c50d3.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-96950c0540e8fdfe.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-0148ae08a3554aca.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3c52b09ccbb5b43b.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-6adf49c81015d6a3.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-7662d0af6bbf52c5.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-a54681c1c75fd123.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-e638c0ec4013abbb.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-5944a9451aaac9b1.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-9e8dc1fcb480f80f.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-1f817907b5ee8dd5.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-4a1de6cc70f10393.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "302612616bf171e3c9c1d9076fc25e93b08ab0587be05f99decfdf3b0bde9a02"`
[INFO] running `"docker" "rm" "-f" "302612616bf171e3c9c1d9076fc25e93b08ab0587be05f99decfdf3b0bde9a02"`
[INFO] [stdout] 302612616bf171e3c9c1d9076fc25e93b08ab0587be05f99decfdf3b0bde9a02