[INFO] fetching crate stratum 0.1.0...
[INFO] testing stratum-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stratum 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate stratum 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 stratum 0.1.0
[INFO] finished tweaking crates.io crate stratum 0.1.0
[INFO] tweaked toml for crates.io crate stratum 0.1.0 written to /workspace/builds/worker-14/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 952143d7fe8226386f95814f14fcdb1a28fbb0247ac343ee010e21d110ab2133
[INFO] running `Command { std: "docker" "start" "-a" "952143d7fe8226386f95814f14fcdb1a28fbb0247ac343ee010e21d110ab2133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "952143d7fe8226386f95814f14fcdb1a28fbb0247ac343ee010e21d110ab2133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952143d7fe8226386f95814f14fcdb1a28fbb0247ac343ee010e21d110ab2133", kill_on_drop: false }`
[INFO] [stdout] 952143d7fe8226386f95814f14fcdb1a28fbb0247ac343ee010e21d110ab2133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6bd22f41db03b3c5ed5cd10e37e7037c9c18d958679a4acc8ea80ba26e6ce586
[INFO] running `Command { std: "docker" "start" "-a" "6bd22f41db03b3c5ed5cd10e37e7037c9c18d958679a4acc8ea80ba26e6ce586", kill_on_drop: false }`
[INFO] [stderr]    Compiling stratum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6bd22f41db03b3c5ed5cd10e37e7037c9c18d958679a4acc8ea80ba26e6ce586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd22f41db03b3c5ed5cd10e37e7037c9c18d958679a4acc8ea80ba26e6ce586", kill_on_drop: false }`
[INFO] [stdout] 6bd22f41db03b3c5ed5cd10e37e7037c9c18d958679a4acc8ea80ba26e6ce586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 60b9afd46e0db82803407a460b9c4bed4f893fa28897f64acab0ff8cbbea4fdb
[INFO] running `Command { std: "docker" "start" "-a" "60b9afd46e0db82803407a460b9c4bed4f893fa28897f64acab0ff8cbbea4fdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling stratum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "60b9afd46e0db82803407a460b9c4bed4f893fa28897f64acab0ff8cbbea4fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b9afd46e0db82803407a460b9c4bed4f893fa28897f64acab0ff8cbbea4fdb", kill_on_drop: false }`
[INFO] [stdout] 60b9afd46e0db82803407a460b9c4bed4f893fa28897f64acab0ff8cbbea4fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 165ef1a039cea4ffb3e664ba6b1646d48c2a355568e6ca5ceb5022f7851c76c5
[INFO] running `Command { std: "docker" "start" "-a" "165ef1a039cea4ffb3e664ba6b1646d48c2a355568e6ca5ceb5022f7851c76c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stratum-adbefd7a4589a0b4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test run::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]      Running unittests (/opt/rustwide/target/debug/deps/stratum-42e7f68df644cd4b)
[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] [stderr]    Doc-tests stratum
[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" "165ef1a039cea4ffb3e664ba6b1646d48c2a355568e6ca5ceb5022f7851c76c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165ef1a039cea4ffb3e664ba6b1646d48c2a355568e6ca5ceb5022f7851c76c5", kill_on_drop: false }`
[INFO] [stdout] 165ef1a039cea4ffb3e664ba6b1646d48c2a355568e6ca5ceb5022f7851c76c5