[INFO] fetching crate rust-covfix 0.2.1...
[INFO] testing rust-covfix-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rust-covfix 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rust-covfix 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-covfix 0.2.1
[INFO] finished tweaking crates.io crate rust-covfix 0.2.1
[INFO] tweaked toml for crates.io crate rust-covfix 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rust-covfix 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36e49b0455ae507e881a21a638e998001d24c2b23df64065ee281f82a4a0e568
[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" "36e49b0455ae507e881a21a638e998001d24c2b23df64065ee281f82a4a0e568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36e49b0455ae507e881a21a638e998001d24c2b23df64065ee281f82a4a0e568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e49b0455ae507e881a21a638e998001d24c2b23df64065ee281f82a4a0e568", kill_on_drop: false }`
[INFO] [stdout] 36e49b0455ae507e881a21a638e998001d24c2b23df64065ee281f82a4a0e568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f56e5ad4c60ecaef366eac2731c22b86e16f162ab9803176576e94922e7dc8f5
[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" "f56e5ad4c60ecaef366eac2731c22b86e16f162ab9803176576e94922e7dc8f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling rust-covfix v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.69s
[INFO] running `Command { std: "docker" "inspect" "f56e5ad4c60ecaef366eac2731c22b86e16f162ab9803176576e94922e7dc8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56e5ad4c60ecaef366eac2731c22b86e16f162ab9803176576e94922e7dc8f5", kill_on_drop: false }`
[INFO] [stdout] f56e5ad4c60ecaef366eac2731c22b86e16f162ab9803176576e94922e7dc8f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d56fe6f66089902c81a31637fe296774f6f6f8538eb1dc6989b171c7cecfdbad
[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" "d56fe6f66089902c81a31637fe296774f6f6f8538eb1dc6989b171c7cecfdbad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-covfix v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `guess_game`
[INFO] [stdout]   --> tests/test.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | mod guess_game;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `guess_game`, create file "tests/guess_game.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `workspace`
[INFO] [stdout]   --> tests/test.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | mod workspace;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `workspace`, create file "tests/workspace.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-covfix`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d56fe6f66089902c81a31637fe296774f6f6f8538eb1dc6989b171c7cecfdbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56fe6f66089902c81a31637fe296774f6f6f8538eb1dc6989b171c7cecfdbad", kill_on_drop: false }`
[INFO] [stdout] d56fe6f66089902c81a31637fe296774f6f6f8538eb1dc6989b171c7cecfdbad