[INFO] fetching crate competitive 0.1.0...
[INFO] testing competitive-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate competitive 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate competitive 0.1.0 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 crates.io crate competitive 0.1.0
[INFO] finished tweaking crates.io crate competitive 0.1.0
[INFO] tweaked toml for crates.io crate competitive 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] da12a9d0363af04d130a4651d4325060709c05cac0b107e5d6a932fe2d9541f2
[INFO] running `Command { std: "docker" "start" "-a" "da12a9d0363af04d130a4651d4325060709c05cac0b107e5d6a932fe2d9541f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da12a9d0363af04d130a4651d4325060709c05cac0b107e5d6a932fe2d9541f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da12a9d0363af04d130a4651d4325060709c05cac0b107e5d6a932fe2d9541f2", kill_on_drop: false }`
[INFO] [stdout] da12a9d0363af04d130a4651d4325060709c05cac0b107e5d6a932fe2d9541f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] c95b550dbe9ab1081baeb3057150e2114303760a6b2a638c2334eb2041c83a5b
[INFO] running `Command { std: "docker" "start" "-a" "c95b550dbe9ab1081baeb3057150e2114303760a6b2a638c2334eb2041c83a5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling competitive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "c95b550dbe9ab1081baeb3057150e2114303760a6b2a638c2334eb2041c83a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95b550dbe9ab1081baeb3057150e2114303760a6b2a638c2334eb2041c83a5b", kill_on_drop: false }`
[INFO] [stdout] c95b550dbe9ab1081baeb3057150e2114303760a6b2a638c2334eb2041c83a5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7919c8cc5c36bf1fb7ed601b165bf65354fd31d9df0c71b9ab78469bf6edbfad
[INFO] running `Command { std: "docker" "start" "-a" "7919c8cc5c36bf1fb7ed601b165bf65354fd31d9df0c71b9ab78469bf6edbfad", kill_on_drop: false }`
[INFO] [stderr]    Compiling competitive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "7919c8cc5c36bf1fb7ed601b165bf65354fd31d9df0c71b9ab78469bf6edbfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7919c8cc5c36bf1fb7ed601b165bf65354fd31d9df0c71b9ab78469bf6edbfad", kill_on_drop: false }`
[INFO] [stdout] 7919c8cc5c36bf1fb7ed601b165bf65354fd31d9df0c71b9ab78469bf6edbfad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 1d0f164c6fb4609a706417127c418baf30b90eade4b062f3e7b45c506c09f079
[INFO] running `Command { std: "docker" "start" "-a" "1d0f164c6fb4609a706417127c418baf30b90eade4b062f3e7b45c506c09f079", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/competitive-d1b96fabb3de8e21)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests competitive
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "1d0f164c6fb4609a706417127c418baf30b90eade4b062f3e7b45c506c09f079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0f164c6fb4609a706417127c418baf30b90eade4b062f3e7b45c506c09f079", kill_on_drop: false }`
[INFO] [stdout] 1d0f164c6fb4609a706417127c418baf30b90eade4b062f3e7b45c506c09f079