[INFO] fetching crate medley-test-client 0.0.0...
[INFO] testing medley-test-client-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate medley-test-client 0.0.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate medley-test-client 0.0.0 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 medley-test-client 0.0.0
[INFO] finished tweaking crates.io crate medley-test-client 0.0.0
[INFO] tweaked toml for crates.io crate medley-test-client 0.0.0 written to /workspace/builds/worker-29/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] [stderr]     Blocking waiting for file lock on package cache
[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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] ffe93a06ef793bb078f06f4f60ff6540485d8dd2271d94c5206c30cf07f5ea7e
[INFO] running `Command { std: "docker" "start" "-a" "ffe93a06ef793bb078f06f4f60ff6540485d8dd2271d94c5206c30cf07f5ea7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe93a06ef793bb078f06f4f60ff6540485d8dd2271d94c5206c30cf07f5ea7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe93a06ef793bb078f06f4f60ff6540485d8dd2271d94c5206c30cf07f5ea7e", kill_on_drop: false }`
[INFO] [stdout] ffe93a06ef793bb078f06f4f60ff6540485d8dd2271d94c5206c30cf07f5ea7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] dd18647dcf869201cf35bcc95a07eecbd8f5cb2c8a926cec952f85e72d150979
[INFO] running `Command { std: "docker" "start" "-a" "dd18647dcf869201cf35bcc95a07eecbd8f5cb2c8a926cec952f85e72d150979", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling medley-test-client v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "dd18647dcf869201cf35bcc95a07eecbd8f5cb2c8a926cec952f85e72d150979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd18647dcf869201cf35bcc95a07eecbd8f5cb2c8a926cec952f85e72d150979", kill_on_drop: false }`
[INFO] [stdout] dd18647dcf869201cf35bcc95a07eecbd8f5cb2c8a926cec952f85e72d150979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 7b0baf111ebc3a94a118d63ad2e0edf3ee8a2a972838e37565f73f0f0bca5d38
[INFO] running `Command { std: "docker" "start" "-a" "7b0baf111ebc3a94a118d63ad2e0edf3ee8a2a972838e37565f73f0f0bca5d38", kill_on_drop: false }`
[INFO] [stderr]    Compiling medley-test-client v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "7b0baf111ebc3a94a118d63ad2e0edf3ee8a2a972838e37565f73f0f0bca5d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0baf111ebc3a94a118d63ad2e0edf3ee8a2a972838e37565f73f0f0bca5d38", kill_on_drop: false }`
[INFO] [stdout] 7b0baf111ebc3a94a118d63ad2e0edf3ee8a2a972838e37565f73f0f0bca5d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 3434840b7fe900937a399b10c3c5121d0b3917fadf91e6b2273e60dd520da7e5
[INFO] running `Command { std: "docker" "start" "-a" "3434840b7fe900937a399b10c3c5121d0b3917fadf91e6b2273e60dd520da7e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/medley_test_client-8f49446ae457e873)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[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] [stderr]    Doc-tests medley-test-client
[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" "3434840b7fe900937a399b10c3c5121d0b3917fadf91e6b2273e60dd520da7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3434840b7fe900937a399b10c3c5121d0b3917fadf91e6b2273e60dd520da7e5", kill_on_drop: false }`
[INFO] [stdout] 3434840b7fe900937a399b10c3c5121d0b3917fadf91e6b2273e60dd520da7e5