[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] testing aibhstin/oxide against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faibhstin%2Foxide" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aibhstin/oxide on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-21/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74147c9c45ceecee8cc7dee3e73a5954c38bb6f9ea1dd63e626b695701a3ffd1
[INFO] running `Command { std: "docker" "start" "-a" "74147c9c45ceecee8cc7dee3e73a5954c38bb6f9ea1dd63e626b695701a3ffd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74147c9c45ceecee8cc7dee3e73a5954c38bb6f9ea1dd63e626b695701a3ffd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74147c9c45ceecee8cc7dee3e73a5954c38bb6f9ea1dd63e626b695701a3ffd1", kill_on_drop: false }`
[INFO] [stdout] 74147c9c45ceecee8cc7dee3e73a5954c38bb6f9ea1dd63e626b695701a3ffd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdaca44f2165211824c387f1af987704b7823202de508e338064b4296dcd3e88
[INFO] running `Command { std: "docker" "start" "-a" "bdaca44f2165211824c387f1af987704b7823202de508e338064b4296dcd3e88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.67s
[INFO] running `Command { std: "docker" "inspect" "bdaca44f2165211824c387f1af987704b7823202de508e338064b4296dcd3e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdaca44f2165211824c387f1af987704b7823202de508e338064b4296dcd3e88", kill_on_drop: false }`
[INFO] [stdout] bdaca44f2165211824c387f1af987704b7823202de508e338064b4296dcd3e88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f1a943d2b49341bacf6f72257212aecf96ff04e0cf907ba35576a34ab2e4553
[INFO] running `Command { std: "docker" "start" "-a" "1f1a943d2b49341bacf6f72257212aecf96ff04e0cf907ba35576a34ab2e4553", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1f1a943d2b49341bacf6f72257212aecf96ff04e0cf907ba35576a34ab2e4553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1a943d2b49341bacf6f72257212aecf96ff04e0cf907ba35576a34ab2e4553", kill_on_drop: false }`
[INFO] [stdout] 1f1a943d2b49341bacf6f72257212aecf96ff04e0cf907ba35576a34ab2e4553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9f1c666c240d48c6f6e4a709a2ad8ccb4fc2a654a8d1a92d0fb0ecd079176b0
[INFO] running `Command { std: "docker" "start" "-a" "b9f1c666c240d48c6f6e4a709a2ad8ccb4fc2a654a8d1a92d0fb0ecd079176b0", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 5  | /     loop {
[INFO] [stderr] 6  | |         let mut c = [0];
[INFO] [stderr] 7  | |
[INFO] [stderr] 8  | |         while let Ok(_) = stdin().read(&mut c) {
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |         }
[INFO] [stderr] 13 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 14 | 
[INFO] [stderr] 15 |       exit(0);
[INFO] [stderr]    |       ^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `oxide` (bin "oxide" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/oxide-82e820299c1bb2e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9f1c666c240d48c6f6e4a709a2ad8ccb4fc2a654a8d1a92d0fb0ecd079176b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f1c666c240d48c6f6e4a709a2ad8ccb4fc2a654a8d1a92d0fb0ecd079176b0", kill_on_drop: false }`
[INFO] [stdout] b9f1c666c240d48c6f6e4a709a2ad8ccb4fc2a654a8d1a92d0fb0ecd079176b0