[INFO] fetching crate othello 0.1.2...
[INFO] checking othello-0.1.2 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate othello 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate othello 0.1.2 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate othello 0.1.2
[INFO] finished tweaking crates.io crate othello 0.1.2
[INFO] tweaked toml for crates.io crate othello 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitintr v0.3.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d0290dca189f0cc476f9f1a207e7cf29cb4743a3019b83cd7042a3a1cedd9f
[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" "f9d0290dca189f0cc476f9f1a207e7cf29cb4743a3019b83cd7042a3a1cedd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d0290dca189f0cc476f9f1a207e7cf29cb4743a3019b83cd7042a3a1cedd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d0290dca189f0cc476f9f1a207e7cf29cb4743a3019b83cd7042a3a1cedd9f", kill_on_drop: false }`
[INFO] [stdout] f9d0290dca189f0cc476f9f1a207e7cf29cb4743a3019b83cd7042a3a1cedd9f
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd87fe60e1d3a252bf35aa0adcb00a039d82d04323c7e8e4ffa6091bb9360b8f
[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" "fd87fe60e1d3a252bf35aa0adcb00a039d82d04323c7e8e4ffa6091bb9360b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]     Checking othello v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `bititr`
[INFO] [stdout]   --> src/test.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |             r => bititr::BitScan(r)
[INFO] [stdout]    |                  ^^^^^^ use of undeclared crate or module `bititr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `othello` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd87fe60e1d3a252bf35aa0adcb00a039d82d04323c7e8e4ffa6091bb9360b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd87fe60e1d3a252bf35aa0adcb00a039d82d04323c7e8e4ffa6091bb9360b8f", kill_on_drop: false }`
[INFO] [stdout] fd87fe60e1d3a252bf35aa0adcb00a039d82d04323c7e8e4ffa6091bb9360b8f