[INFO] cloning repository https://github.com/aibhstin/oxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aibhstin/oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faibhstin%2Foxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faibhstin%2Foxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4578266c6e1ae4db45b509ae86a5b81c50348f04
[INFO] checking aibhstin/oxide against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faibhstin%2Foxide" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aibhstin/oxide on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aibhstin/oxide
[INFO] finished tweaking git repo https://github.com/aibhstin/oxide
[INFO] tweaked toml for git repo https://github.com/aibhstin/oxide written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aibhstin/oxide already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d67ddd0101e111d950493d56422b354068ecd704588658557dcd1ee87b3dd0e2
[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" "d67ddd0101e111d950493d56422b354068ecd704588658557dcd1ee87b3dd0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d67ddd0101e111d950493d56422b354068ecd704588658557dcd1ee87b3dd0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67ddd0101e111d950493d56422b354068ecd704588658557dcd1ee87b3dd0e2", kill_on_drop: false }`
[INFO] [stdout] d67ddd0101e111d950493d56422b354068ecd704588658557dcd1ee87b3dd0e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1bd5ae0a3ed43a2d6b67c905ce91a4eb6add18323c74da09ab4f4d594ba182c4
[INFO] running `Command { std: "docker" "start" "-a" "1bd5ae0a3ed43a2d6b67c905ce91a4eb6add18323c74da09ab4f4d594ba182c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | /     loop {
[INFO] [stdout] 6  | |         let mut c = [0];
[INFO] [stdout] 7  | |
[INFO] [stdout] 8  | |         while let Ok(_) = stdin().read(&mut c) {
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |         }
[INFO] [stdout] 13 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 14 | 
[INFO] [stdout] 15 |       exit(0);
[INFO] [stdout]    |       ^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | /     loop {
[INFO] [stdout] 6  | |         let mut c = [0];
[INFO] [stdout] 7  | |
[INFO] [stdout] 8  | |         while let Ok(_) = stdin().read(&mut c) {
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |         }
[INFO] [stdout] 13 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 14 | 
[INFO] [stdout] 15 |       exit(0);
[INFO] [stdout]    |       ^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "1bd5ae0a3ed43a2d6b67c905ce91a4eb6add18323c74da09ab4f4d594ba182c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd5ae0a3ed43a2d6b67c905ce91a4eb6add18323c74da09ab4f4d594ba182c4", kill_on_drop: false }`
[INFO] [stdout] 1bd5ae0a3ed43a2d6b67c905ce91a4eb6add18323c74da09ab4f4d594ba182c4