[INFO] updating cached repository https://github.com/rust-embedded/cross
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/rust-embedded/cross
[INFO] [stderr]    3a790d9..69b8da7  master     -> master
[INFO] [stderr]    3a790d9..69b8da7  staging    -> staging
[INFO] [stderr]  + 307dfd8...7933844 trying     -> trying  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69b8da7da287055127812c9e4b071756c2b98545
[INFO] checking rust-embedded/cross against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-embedded%2Fcross" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-embedded/cross on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rust-embedded/cross
[INFO] finished tweaking git repo https://github.com/rust-embedded/cross
[INFO] tweaked toml for git repo https://github.com/rust-embedded/cross written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-embedded/cross already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b4ff56baffea8dabdc7558f53d96ed204f1e07b06e2179838668d50db7f4f8e1
[INFO] running `"docker" "start" "-a" "b4ff56baffea8dabdc7558f53d96ed204f1e07b06e2179838668d50db7f4f8e1"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cross v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking error-chain v0.12.1
[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.
[INFO] [stderr]   --> src/docker.rs:79:20
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let home_dir = env::home_dir().ok_or_else(|| "couldn't get home directory. Is $HOME not set?")?;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[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.
[INFO] [stderr]   --> src/docker.rs:79:20
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let home_dir = env::home_dir().ok_or_else(|| "couldn't get home directory. Is $HOME not set?")?;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.19s
[INFO] running `"docker" "inspect" "b4ff56baffea8dabdc7558f53d96ed204f1e07b06e2179838668d50db7f4f8e1"`
[INFO] running `"docker" "rm" "-f" "b4ff56baffea8dabdc7558f53d96ed204f1e07b06e2179838668d50db7f4f8e1"`
[INFO] [stdout] b4ff56baffea8dabdc7558f53d96ed204f1e07b06e2179838668d50db7f4f8e1