[INFO] fetching crate rtreec 0.1.0...
[INFO] testing rtreec-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rtreec 0.1.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate rtreec 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 rtreec 0.1.0
[INFO] finished tweaking crates.io crate rtreec 0.1.0
[INFO] tweaked toml for crates.io crate rtreec 0.1.0 written to /workspace/builds/worker-93/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 96c2c89cefc2bfdcde506ebe7386634fa6ef18c6a82a50684804978ebbc32c2f
[INFO] running `Command { std: "docker" "start" "-a" "96c2c89cefc2bfdcde506ebe7386634fa6ef18c6a82a50684804978ebbc32c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c2c89cefc2bfdcde506ebe7386634fa6ef18c6a82a50684804978ebbc32c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c2c89cefc2bfdcde506ebe7386634fa6ef18c6a82a50684804978ebbc32c2f", kill_on_drop: false }`
[INFO] [stdout] 96c2c89cefc2bfdcde506ebe7386634fa6ef18c6a82a50684804978ebbc32c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 41454aee5d881f32e98aaaeb2632eb8ecdd9355a09785d37cfc549c248f1dd42
[INFO] running `Command { std: "docker" "start" "-a" "41454aee5d881f32e98aaaeb2632eb8ecdd9355a09785d37cfc549c248f1dd42", kill_on_drop: false }`
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling rtreec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "41454aee5d881f32e98aaaeb2632eb8ecdd9355a09785d37cfc549c248f1dd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41454aee5d881f32e98aaaeb2632eb8ecdd9355a09785d37cfc549c248f1dd42", kill_on_drop: false }`
[INFO] [stdout] 41454aee5d881f32e98aaaeb2632eb8ecdd9355a09785d37cfc549c248f1dd42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] e321661b92d71cde7f57d48fcb43a4f7bf5c4aa74b4eaa24ba612444a0fdc95e
[INFO] running `Command { std: "docker" "start" "-a" "e321661b92d71cde7f57d48fcb43a4f7bf5c4aa74b4eaa24ba612444a0fdc95e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtreec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "e321661b92d71cde7f57d48fcb43a4f7bf5c4aa74b4eaa24ba612444a0fdc95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e321661b92d71cde7f57d48fcb43a4f7bf5c4aa74b4eaa24ba612444a0fdc95e", kill_on_drop: false }`
[INFO] [stdout] e321661b92d71cde7f57d48fcb43a4f7bf5c4aa74b4eaa24ba612444a0fdc95e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 3d449a2a98ecf7aa80e5447885ea9c27f7999e9e4c81ad479b43d95ac7ed925e
[INFO] running `Command { std: "docker" "start" "-a" "3d449a2a98ecf7aa80e5447885ea9c27f7999e9e4c81ad479b43d95ac7ed925e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtreec-a145b51c9f569ebd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtreec
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::rtreec_new ... 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] [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" "3d449a2a98ecf7aa80e5447885ea9c27f7999e9e4c81ad479b43d95ac7ed925e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d449a2a98ecf7aa80e5447885ea9c27f7999e9e4c81ad479b43d95ac7ed925e", kill_on_drop: false }`
[INFO] [stdout] 3d449a2a98ecf7aa80e5447885ea9c27f7999e9e4c81ad479b43d95ac7ed925e