[INFO] cloning repository https://github.com/slackers123/minix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slackers123/minix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslackers123%2Fminix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslackers123%2Fminix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d86300efdac6b59e4aa728b08b813e11e5c3ce1
[INFO] checking slackers123/minix against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslackers123%2Fminix" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/slackers123/minix
[INFO] finished tweaking git repo https://github.com/slackers123/minix
[INFO] tweaked toml for git repo https://github.com/slackers123/minix written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/slackers123/minix on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/slackers123/minix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f38cc2ff588c1a03234a64f3a66c361b185a2147aedbe61ada98754da188f4c0
[INFO] running `Command { std: "docker" "start" "-a" "f38cc2ff588c1a03234a64f3a66c361b185a2147aedbe61ada98754da188f4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f38cc2ff588c1a03234a64f3a66c361b185a2147aedbe61ada98754da188f4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38cc2ff588c1a03234a64f3a66c361b185a2147aedbe61ada98754da188f4c0", kill_on_drop: false }`
[INFO] [stdout] f38cc2ff588c1a03234a64f3a66c361b185a2147aedbe61ada98754da188f4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23c205b0dbdc819e2ee956f665444801293fd4c5d4bd7dafec3f9d1a099891ef
[INFO] running `Command { std: "docker" "start" "-a" "23c205b0dbdc819e2ee956f665444801293fd4c5d4bd7dafec3f9d1a099891ef", kill_on_drop: false }`
[INFO] [stderr]     Checking minix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_file_mut` is never used
[INFO] [stdout]    --> src/main.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl FileSystem {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn get_file_mut(&mut self, path: Path) -> MinixResult<&mut File> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_file_mut` is never used
[INFO] [stdout]    --> src/main.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl FileSystem {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn get_file_mut(&mut self, path: Path) -> MinixResult<&mut File> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "23c205b0dbdc819e2ee956f665444801293fd4c5d4bd7dafec3f9d1a099891ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c205b0dbdc819e2ee956f665444801293fd4c5d4bd7dafec3f9d1a099891ef", kill_on_drop: false }`
[INFO] [stdout] 23c205b0dbdc819e2ee956f665444801293fd4c5d4bd7dafec3f9d1a099891ef