[INFO] cloning repository https://github.com/subnomo/MCC-Trainer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/subnomo/MCC-Trainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubnomo%2FMCC-Trainer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubnomo%2FMCC-Trainer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d957e9855d2ebf57f6a6c518b663729ddc609a37
[INFO] testing subnomo/MCC-Trainer against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubnomo%2FMCC-Trainer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/subnomo/MCC-Trainer on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/subnomo/MCC-Trainer
[INFO] finished tweaking git repo https://github.com/subnomo/MCC-Trainer
[INFO] tweaked toml for git repo https://github.com/subnomo/MCC-Trainer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/subnomo/MCC-Trainer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ec4f86eb3435289a857e73c5d9be3dd0e87f88808dc99d78557fadf29169290
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ec4f86eb3435289a857e73c5d9be3dd0e87f88808dc99d78557fadf29169290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ec4f86eb3435289a857e73c5d9be3dd0e87f88808dc99d78557fadf29169290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec4f86eb3435289a857e73c5d9be3dd0e87f88808dc99d78557fadf29169290", kill_on_drop: false }`
[INFO] [stdout] 9ec4f86eb3435289a857e73c5d9be3dd0e87f88808dc99d78557fadf29169290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b54316864c5de4015e1c46f8dd8c3fd2811c1737eb9adfe21ee4974e231110c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b54316864c5de4015e1c46f8dd8c3fd2811c1737eb9adfe21ee4974e231110c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling mcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]  --> src/ke_interface.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::windows::ffi::OsStrExt;
[INFO] [stdout]   |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode_wide` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/ke_interface.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |             .encode_wide()
[INFO] [stdout]    |              ^^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode_wide` found for reference `&OsStr` in the current scope
[INFO] [stdout]   --> src/ke_interface.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |             .encode_wide()
[INFO] [stdout]    |              ^^^^^^^^^^^ method not found in `&OsStr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1b54316864c5de4015e1c46f8dd8c3fd2811c1737eb9adfe21ee4974e231110c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b54316864c5de4015e1c46f8dd8c3fd2811c1737eb9adfe21ee4974e231110c", kill_on_drop: false }`
[INFO] [stdout] 1b54316864c5de4015e1c46f8dd8c3fd2811c1737eb9adfe21ee4974e231110c