Dec 18 04:31:20.409 INFO checking aergonaut/artifice against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:31:20.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/aergonaut/artifice:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:31:20.872 INFO [stdout] 250a98bd8b2d1ac7613f906da548c255a173e8801d4d45afb4c1171f64c015fc
Dec 18 04:31:20.880 INFO running `"docker" "start" "-a" "250a98bd8b2d1ac7613f906da548c255a173e8801d4d45afb4c1171f64c015fc"`
Dec 18 04:31:22.763 INFO [stderr]     Checking toml v0.4.5
Dec 18 04:31:22.772 INFO [stderr]     Checking fern v0.5.5
Dec 18 04:31:22.772 INFO [stderr]     Checking prettytable-rs v0.6.7
Dec 18 04:31:22.772 INFO [stderr]     Checking libz-sys v1.0.18
Dec 18 04:31:22.772 INFO [stderr]    Compiling structopt-derive v0.2.6
Dec 18 04:31:22.772 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 18 04:31:22.772 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 18 04:31:22.772 INFO [stderr]     Checking hyper v0.11.24
Dec 18 04:31:24.326 INFO [stderr]     Checking libssh2-sys v0.2.6
Dec 18 04:31:25.600 INFO [stderr]     Checking curl-sys v0.4.1
Dec 18 04:31:28.100 INFO [stderr]     Checking libgit2-sys v0.7.1
Dec 18 04:31:30.635 INFO [stderr]     Checking git2 v0.7.1
Dec 18 04:31:32.327 INFO [stderr]     Checking structopt v0.2.6
Dec 18 04:31:38.507 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 18 04:31:39.486 INFO [stderr]     Checking reqwest v0.8.5
Dec 18 04:31:41.436 INFO [stderr]     Checking artifice v0.1.0 (/opt/crater/workdir)
Dec 18 04:31:44.024 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 18 04:31:44.024 INFO [stderr]   --> src/config.rs:41:24
Dec 18 04:31:44.024 INFO [stderr]    |
Dec 18 04:31:44.024 INFO [stderr] 41 |         let home_dir = std::env::home_dir().ok_or(err_msg("Could not find user's home directory"))?;
Dec 18 04:31:44.024 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^
Dec 18 04:31:44.024 INFO [stderr]    |
Dec 18 04:31:44.024 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 04:31:44.024 INFO [stderr] 
Dec 18 04:31:44.084 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 18 04:31:44.084 INFO [stderr]   --> src/config.rs:41:24
Dec 18 04:31:44.084 INFO [stderr]    |
Dec 18 04:31:44.084 INFO [stderr] 41 |         let home_dir = std::env::home_dir().ok_or(err_msg("Could not find user's home directory"))?;
Dec 18 04:31:44.084 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^
Dec 18 04:31:44.084 INFO [stderr]    |
Dec 18 04:31:44.084 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 04:31:44.084 INFO [stderr] 
Dec 18 04:31:48.703 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.32s
Dec 18 04:31:49.704 INFO running `"docker" "inspect" "250a98bd8b2d1ac7613f906da548c255a173e8801d4d45afb4c1171f64c015fc"`
Dec 18 04:31:49.952 INFO running `"docker" "rm" "-f" "250a98bd8b2d1ac7613f906da548c255a173e8801d4d45afb4c1171f64c015fc"`
Dec 18 04:31:50.184 INFO [stdout] 250a98bd8b2d1ac7613f906da548c255a173e8801d4d45afb4c1171f64c015fc