[INFO] fetching crate scope-guard 1.0.0...
[INFO] testing scope-guard-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate scope-guard 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate scope-guard 1.0.0 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 scope-guard 1.0.0
[INFO] finished tweaking crates.io crate scope-guard 1.0.0
[INFO] tweaked toml for crates.io crate scope-guard 1.0.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3aeb3c7f78c41e6a8d1c8ecc6246e923a76ce724230d92f1fb04862cde50675d
[INFO] running `Command { std: "docker" "start" "-a" "3aeb3c7f78c41e6a8d1c8ecc6246e923a76ce724230d92f1fb04862cde50675d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aeb3c7f78c41e6a8d1c8ecc6246e923a76ce724230d92f1fb04862cde50675d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aeb3c7f78c41e6a8d1c8ecc6246e923a76ce724230d92f1fb04862cde50675d", kill_on_drop: false }`
[INFO] [stdout] 3aeb3c7f78c41e6a8d1c8ecc6246e923a76ce724230d92f1fb04862cde50675d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d17a9999ed2269eee0c6006bfbef9f2acee1919593a37258039d9ab55e95da15
[INFO] running `Command { std: "docker" "start" "-a" "d17a9999ed2269eee0c6006bfbef9f2acee1919593a37258039d9ab55e95da15", kill_on_drop: false }`
[INFO] [stderr]    Compiling scope-guard v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "d17a9999ed2269eee0c6006bfbef9f2acee1919593a37258039d9ab55e95da15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17a9999ed2269eee0c6006bfbef9f2acee1919593a37258039d9ab55e95da15", kill_on_drop: false }`
[INFO] [stdout] d17a9999ed2269eee0c6006bfbef9f2acee1919593a37258039d9ab55e95da15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 630994e033fd3780d143db74d7e3b3c7f7c0519a484d0d8877a4fc82ce8da1fc
[INFO] running `Command { std: "docker" "start" "-a" "630994e033fd3780d143db74d7e3b3c7f7c0519a484d0d8877a4fc82ce8da1fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling scope-guard v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "630994e033fd3780d143db74d7e3b3c7f7c0519a484d0d8877a4fc82ce8da1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630994e033fd3780d143db74d7e3b3c7f7c0519a484d0d8877a4fc82ce8da1fc", kill_on_drop: false }`
[INFO] [stdout] 630994e033fd3780d143db74d7e3b3c7f7c0519a484d0d8877a4fc82ce8da1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 563dc8af25706b39ea06c7c9ca145dc6b7a86cce01fc919eef294a3a0d664e34
[INFO] running `Command { std: "docker" "start" "-a" "563dc8af25706b39ea06c7c9ca145dc6b7a86cce01fc919eef294a3a0d664e34", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scope_guard-7144de6e79b1a0f7)
[INFO] [stderr]    Doc-tests scope-guard
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "563dc8af25706b39ea06c7c9ca145dc6b7a86cce01fc919eef294a3a0d664e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563dc8af25706b39ea06c7c9ca145dc6b7a86cce01fc919eef294a3a0d664e34", kill_on_drop: false }`
[INFO] [stdout] 563dc8af25706b39ea06c7c9ca145dc6b7a86cce01fc919eef294a3a0d664e34