[INFO] fetching crate mortar 0.1.0...
[INFO] testing mortar-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mortar 0.1.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate mortar 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 mortar 0.1.0
[INFO] finished tweaking crates.io crate mortar 0.1.0
[INFO] tweaked toml for crates.io crate mortar 0.1.0 written to /workspace/builds/worker-31/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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 4903cd70c1554363e7c03e2c0f7065d0efd4a82f57902e7e07faf43974111772
[INFO] running `Command { std: "docker" "start" "-a" "4903cd70c1554363e7c03e2c0f7065d0efd4a82f57902e7e07faf43974111772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4903cd70c1554363e7c03e2c0f7065d0efd4a82f57902e7e07faf43974111772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4903cd70c1554363e7c03e2c0f7065d0efd4a82f57902e7e07faf43974111772", kill_on_drop: false }`
[INFO] [stdout] 4903cd70c1554363e7c03e2c0f7065d0efd4a82f57902e7e07faf43974111772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 46d29a6cc13676a98cbca2e8a8f4c8d3eeeb598193e1b1b26fbbcc12c6dc861d
[INFO] running `Command { std: "docker" "start" "-a" "46d29a6cc13676a98cbca2e8a8f4c8d3eeeb598193e1b1b26fbbcc12c6dc861d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mortar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "46d29a6cc13676a98cbca2e8a8f4c8d3eeeb598193e1b1b26fbbcc12c6dc861d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d29a6cc13676a98cbca2e8a8f4c8d3eeeb598193e1b1b26fbbcc12c6dc861d", kill_on_drop: false }`
[INFO] [stdout] 46d29a6cc13676a98cbca2e8a8f4c8d3eeeb598193e1b1b26fbbcc12c6dc861d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] ecbef80845225db0fb050c89f3fb47e840521bf1f9cca0bb5d033a34eae10616
[INFO] running `Command { std: "docker" "start" "-a" "ecbef80845225db0fb050c89f3fb47e840521bf1f9cca0bb5d033a34eae10616", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mortar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "ecbef80845225db0fb050c89f3fb47e840521bf1f9cca0bb5d033a34eae10616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbef80845225db0fb050c89f3fb47e840521bf1f9cca0bb5d033a34eae10616", kill_on_drop: false }`
[INFO] [stdout] ecbef80845225db0fb050c89f3fb47e840521bf1f9cca0bb5d033a34eae10616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] b434f1fc802eb9ff094ac41fa08ad29655370765fe3e1d6e4012af7b19e2754c
[INFO] running `Command { std: "docker" "start" "-a" "b434f1fc802eb9ff094ac41fa08ad29655370765fe3e1d6e4012af7b19e2754c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mortar-b326a430745ea726)
[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 mortar
[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" "b434f1fc802eb9ff094ac41fa08ad29655370765fe3e1d6e4012af7b19e2754c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b434f1fc802eb9ff094ac41fa08ad29655370765fe3e1d6e4012af7b19e2754c", kill_on_drop: false }`
[INFO] [stdout] b434f1fc802eb9ff094ac41fa08ad29655370765fe3e1d6e4012af7b19e2754c