Dec 19 08:53:57.643 INFO checking shockham/cuo against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:53:57.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/shockham/cuo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:53:58.084 INFO [stdout] a23eb0d1dd3f891eb1b1745e5410e676266eec654c3d5b1c6fc32a9c4f680108
Dec 19 08:53:58.087 INFO running `"docker" "start" "-a" "a23eb0d1dd3f891eb1b1745e5410e676266eec654c3d5b1c6fc32a9c4f680108"`
Dec 19 08:53:59.728 INFO [stderr]    Compiling arrayvec v0.4.9
Dec 19 08:53:59.728 INFO [stderr]    Compiling autocfg v0.1.1
Dec 19 08:53:59.732 INFO [stderr]     Checking rustc-demangle v0.1.11
Dec 19 08:53:59.732 INFO [stderr]    Compiling openssl v0.10.16
Dec 19 08:53:59.774 INFO [stderr]     Checking home v0.3.3
Dec 19 08:53:59.774 INFO [stderr]     Checking bytesize v1.0.0
Dec 19 08:53:59.774 INFO [stderr]     Checking shell-escape v0.1.4
Dec 19 08:53:59.774 INFO [stderr]     Checking rustc-workspace-hack v1.0.0
Dec 19 08:54:00.419 INFO [stderr]    Compiling libnghttp2-sys v0.1.1
Dec 19 08:54:00.419 INFO [stderr]    Compiling backtrace-sys v0.1.26
Dec 19 08:54:00.527 INFO [stderr]    Compiling miniz-sys v0.1.11
Dec 19 08:54:00.568 INFO [stderr]    Compiling libz-sys v1.0.25
Dec 19 08:54:00.614 INFO [stderr]    Compiling openssl-sys v0.9.40
Dec 19 08:54:00.703 INFO [stderr]    Compiling libssh2-sys v0.2.11
Dec 19 08:54:04.674 INFO [stderr]    Compiling curl-sys v0.4.15
Dec 19 08:54:04.681 INFO [stderr]    Compiling libgit2-sys v0.7.11
Dec 19 08:54:04.691 INFO [stderr]    Compiling serde v1.0.82
Dec 19 08:54:06.048 INFO [stderr]     Checking lock_api v0.1.5
Dec 19 08:54:08.456 INFO [stderr]    Compiling backtrace v0.3.13
Dec 19 08:54:08.460 INFO [stderr]     Checking serde_ignored v0.0.4
Dec 19 08:54:08.869 INFO [stderr]     Checking semver v0.9.0
Dec 19 08:54:09.171 INFO [stderr]     Checking socket2 v0.3.8
Dec 19 08:54:10.012 INFO [stderr]     Checking filetime v0.2.4
Dec 19 08:54:10.150 INFO [stderr]     Checking fs2 v0.4.3
Dec 19 08:54:10.869 INFO [stderr]     Checking jobserver v0.1.12
Dec 19 08:54:11.948 INFO [stderr]     Checking serde_json v1.0.33
Dec 19 08:54:12.252 INFO [stderr]    Compiling syn v0.15.23
Dec 19 08:54:12.590 INFO [stderr]     Checking tar v0.4.20
Dec 19 08:54:13.124 INFO [stderr]     Checking flate2 v1.0.6
Dec 19 08:54:16.033 INFO [stderr]     Checking crossbeam-epoch v0.7.0
Dec 19 08:54:16.582 INFO [stderr]     Checking globset v0.4.2
Dec 19 08:54:17.631 INFO [stderr]     Checking env_logger v0.5.13
Dec 19 08:54:28.480 INFO [stderr]     Checking crypto-hash v0.3.1
Dec 19 08:54:37.712 INFO [stderr]    Compiling synstructure v0.10.1
Dec 19 08:54:37.712 INFO [stderr]    Compiling serde_derive v1.0.82
Dec 19 08:54:43.356 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 19 08:54:44.764 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 19 08:54:46.494 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 19 08:54:46.496 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 19 08:54:46.504 INFO [stderr]    Compiling rand v0.6.1
Dec 19 08:54:46.512 INFO [stderr]    Compiling parking_lot_core v0.4.0
Dec 19 08:54:52.372 INFO [stderr]     Checking failure v0.1.3
Dec 19 08:54:53.424 INFO [stderr]     Checking opener v0.3.2
Dec 19 08:54:54.960 INFO [stderr]     Checking curl v0.4.19
Dec 19 08:54:56.720 INFO [stderr]     Checking tempfile v3.0.5
Dec 19 08:54:58.756 INFO [stderr]     Checking parking_lot v0.7.0
Dec 19 08:55:00.386 INFO [stderr]     Checking crossbeam-channel v0.3.4
Dec 19 08:55:03.666 INFO [stderr]     Checking ignore v0.4.5
Dec 19 08:55:13.206 INFO [stderr]     Checking rustfix v0.4.4
Dec 19 08:55:13.207 INFO [stderr]     Checking crates-io v0.20.0
Dec 19 08:55:33.976 INFO [stderr]     Checking git2 v0.7.5
Dec 19 08:55:37.741 INFO [stderr]     Checking git2-curl v0.8.2
Dec 19 08:55:38.216 INFO [stderr]     Checking cargo v0.32.0
Dec 19 08:55:52.713 INFO [stderr]     Checking cuo v0.3.0 (/opt/crater/workdir)
Dec 19 08:55:53.540 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 19 08:55:53.540 INFO [stderr]   --> src/main.rs:73:27
Dec 19 08:55:53.540 INFO [stderr]    |
Dec 19 08:55:53.540 INFO [stderr] 73 |         let mut pk_path = std::env::home_dir().unwrap();
Dec 19 08:55:53.540 INFO [stderr]    |                           ^^^^^^^^^^^^^^^^^^
Dec 19 08:55:53.540 INFO [stderr]    |
Dec 19 08:55:53.540 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 08:55:53.540 INFO [stderr] 
Dec 19 08:55:53.556 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 19 08:55:53.556 INFO [stderr]   --> src/main.rs:73:27
Dec 19 08:55:53.556 INFO [stderr]    |
Dec 19 08:55:53.556 INFO [stderr] 73 |         let mut pk_path = std::env::home_dir().unwrap();
Dec 19 08:55:53.556 INFO [stderr]    |                           ^^^^^^^^^^^^^^^^^^
Dec 19 08:55:53.556 INFO [stderr]    |
Dec 19 08:55:53.556 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 08:55:53.556 INFO [stderr] 
Dec 19 08:55:53.744 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
Dec 19 08:55:54.490 INFO running `"docker" "inspect" "a23eb0d1dd3f891eb1b1745e5410e676266eec654c3d5b1c6fc32a9c4f680108"`
Dec 19 08:55:54.719 INFO running `"docker" "rm" "-f" "a23eb0d1dd3f891eb1b1745e5410e676266eec654c3d5b1c6fc32a9c4f680108"`
Dec 19 08:55:55.129 INFO [stdout] a23eb0d1dd3f891eb1b1745e5410e676266eec654c3d5b1c6fc32a9c4f680108