[INFO] fetching crate standback 0.4.2...
[INFO] testing standback-0.4.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate standback 0.4.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate standback 0.4.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate standback 0.4.2
[INFO] finished tweaking crates.io crate standback 0.4.2
[INFO] tweaked toml for crates.io crate standback 0.4.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be2a08a1ccd611661eded54cb6563ca51165b92dc5b35de5ab2513203e6a6863
[INFO] running `Command { std: "docker" "start" "-a" "be2a08a1ccd611661eded54cb6563ca51165b92dc5b35de5ab2513203e6a6863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2a08a1ccd611661eded54cb6563ca51165b92dc5b35de5ab2513203e6a6863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2a08a1ccd611661eded54cb6563ca51165b92dc5b35de5ab2513203e6a6863", kill_on_drop: false }`
[INFO] [stdout] be2a08a1ccd611661eded54cb6563ca51165b92dc5b35de5ab2513203e6a6863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f75e2cd76dc70fe2684abff789dd56101ed547b8d542476c594aad114023f1b9
[INFO] running `Command { std: "docker" "start" "-a" "f75e2cd76dc70fe2684abff789dd56101ed547b8d542476c594aad114023f1b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-ext v1.0.0
[INFO] [stderr]    Compiling standback v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "f75e2cd76dc70fe2684abff789dd56101ed547b8d542476c594aad114023f1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75e2cd76dc70fe2684abff789dd56101ed547b8d542476c594aad114023f1b9", kill_on_drop: false }`
[INFO] [stdout] f75e2cd76dc70fe2684abff789dd56101ed547b8d542476c594aad114023f1b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ffadf20d82ae526c7d9dbf123877003a4d449e9345e47e5b56a3e1f1ead91cb
[INFO] running `Command { std: "docker" "start" "-a" "3ffadf20d82ae526c7d9dbf123877003a4d449e9345e47e5b56a3e1f1ead91cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling standback v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "3ffadf20d82ae526c7d9dbf123877003a4d449e9345e47e5b56a3e1f1ead91cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffadf20d82ae526c7d9dbf123877003a4d449e9345e47e5b56a3e1f1ead91cb", kill_on_drop: false }`
[INFO] [stdout] 3ffadf20d82ae526c7d9dbf123877003a4d449e9345e47e5b56a3e1f1ead91cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4744fcf71fd0d65dbcf2b693c4d93a0eefc126934f12f69eb46d51b597f17f77
[INFO] running `Command { std: "docker" "start" "-a" "4744fcf71fd0d65dbcf2b693c4d93a0eefc126934f12f69eb46d51b597f17f77", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/standback-5d9b8e323fa26acb)
[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 standback
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 17) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 24) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4744fcf71fd0d65dbcf2b693c4d93a0eefc126934f12f69eb46d51b597f17f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4744fcf71fd0d65dbcf2b693c4d93a0eefc126934f12f69eb46d51b597f17f77", kill_on_drop: false }`
[INFO] [stdout] 4744fcf71fd0d65dbcf2b693c4d93a0eefc126934f12f69eb46d51b597f17f77