[INFO] cloning repository https://github.com/vanimarcos/ArithOperations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vanimarcos/ArithOperations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvanimarcos%2FArithOperations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvanimarcos%2FArithOperations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eed5b36040bb666ba4e847a954b7fff5b963409c
[INFO] checking vanimarcos/ArithOperations against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvanimarcos%2FArithOperations" "/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/vanimarcos/ArithOperations
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/vanimarcos/ArithOperations
[INFO] tweaked toml for git repo https://github.com/vanimarcos/ArithOperations written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vanimarcos/ArithOperations on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vanimarcos/ArithOperations 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "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] 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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed979066e7ca8949f1c4f6b66a2ee63c6ef83e1b503e987512fc5cf0a528ab2b
[INFO] running `Command { std: "docker" "start" "-a" "ed979066e7ca8949f1c4f6b66a2ee63c6ef83e1b503e987512fc5cf0a528ab2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed979066e7ca8949f1c4f6b66a2ee63c6ef83e1b503e987512fc5cf0a528ab2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed979066e7ca8949f1c4f6b66a2ee63c6ef83e1b503e987512fc5cf0a528ab2b", kill_on_drop: false }`
[INFO] [stdout] ed979066e7ca8949f1c4f6b66a2ee63c6ef83e1b503e987512fc5cf0a528ab2b
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e433038a558f2d1cedce88e99a105089ae5bf7ab6a0a25fe8daaf27da162ebe
[INFO] running `Command { std: "docker" "start" "-a" "0e433038a558f2d1cedce88e99a105089ae5bf7ab6a0a25fe8daaf27da162ebe", kill_on_drop: false }`
[INFO] [stderr]     Checking arith_operations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `tests`: Is a directory (os error 21)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arith_operations` (test "tests") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e433038a558f2d1cedce88e99a105089ae5bf7ab6a0a25fe8daaf27da162ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e433038a558f2d1cedce88e99a105089ae5bf7ab6a0a25fe8daaf27da162ebe", kill_on_drop: false }`
[INFO] [stdout] 0e433038a558f2d1cedce88e99a105089ae5bf7ab6a0a25fe8daaf27da162ebe