Dec 18 04:31:20.136 INFO checking aergonaut/artifice against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:31:20.136 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:31:20.587 INFO [stdout] 276d0bac0158fe6e4374f77ba54ec74973acfdbb775517037e5b4ecd5cc3870a
Dec 18 04:31:20.590 INFO running `"docker" "start" "-a" "276d0bac0158fe6e4374f77ba54ec74973acfdbb775517037e5b4ecd5cc3870a"`
Dec 18 04:31:22.468 INFO [stderr]     Checking serde_json v1.0.13
Dec 18 04:31:22.468 INFO [stderr]     Checking toml v0.4.5
Dec 18 04:31:22.485 INFO [stderr]     Checking fern v0.5.5
Dec 18 04:31:22.485 INFO [stderr]     Checking libz-sys v1.0.18
Dec 18 04:31:22.485 INFO [stderr]    Compiling structopt-derive v0.2.6
Dec 18 04:31:22.485 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 18 04:31:22.492 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 18 04:31:22.492 INFO [stderr]     Checking hyper v0.11.24
Dec 18 04:31:23.930 INFO [stderr]     Checking curl-sys v0.4.1
Dec 18 04:31:24.608 INFO [stderr]     Checking libssh2-sys v0.2.6
Dec 18 04:31:25.996 INFO [stderr]     Checking libgit2-sys v0.7.1
Dec 18 04:31:27.636 INFO [stderr]     Checking git2 v0.7.1
Dec 18 04:31:33.321 INFO [stderr]     Checking structopt v0.2.6
Dec 18 04:31:39.105 INFO [stderr]     Checking hyper-tls v0.1.3
Dec 18 04:31:40.088 INFO [stderr]     Checking reqwest v0.8.5
Dec 18 04:31:41.964 INFO [stderr]     Checking artifice v0.1.0 (/opt/crater/workdir)
Dec 18 04:31:45.060 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 04:31:45.060 INFO [stderr]   --> src/config.rs:41:24
Dec 18 04:31:45.060 INFO [stderr]    |
Dec 18 04:31:45.060 INFO [stderr] 41 |         let home_dir = std::env::home_dir().ok_or(err_msg("Could not find user's home directory"))?;
Dec 18 04:31:45.060 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^
Dec 18 04:31:45.060 INFO [stderr]    |
Dec 18 04:31:45.060 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 04:31:45.060 INFO [stderr] 
Dec 18 04:31:45.068 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 04:31:45.068 INFO [stderr]   --> src/config.rs:41:24
Dec 18 04:31:45.068 INFO [stderr]    |
Dec 18 04:31:45.068 INFO [stderr] 41 |         let home_dir = std::env::home_dir().ok_or(err_msg("Could not find user's home directory"))?;
Dec 18 04:31:45.068 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^
Dec 18 04:31:45.068 INFO [stderr]    |
Dec 18 04:31:45.068 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 04:31:45.068 INFO [stderr] 
Dec 18 04:31:49.943 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.96s
Dec 18 04:31:50.636 INFO running `"docker" "inspect" "276d0bac0158fe6e4374f77ba54ec74973acfdbb775517037e5b4ecd5cc3870a"`
Dec 18 04:31:50.902 INFO running `"docker" "rm" "-f" "276d0bac0158fe6e4374f77ba54ec74973acfdbb775517037e5b4ecd5cc3870a"`
Dec 18 04:31:51.179 INFO [stdout] 276d0bac0158fe6e4374f77ba54ec74973acfdbb775517037e5b4ecd5cc3870a