[INFO] fetching crate rcut 0.0.52...
[INFO] testing rcut-0.0.52 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rcut 0.0.52 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate rcut 0.0.52 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 rcut 0.0.52
[INFO] finished tweaking crates.io crate rcut 0.0.52
[INFO] tweaked toml for crates.io crate rcut 0.0.52 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate crates.io crate rcut 0.0.52 already has a lockfile, it will not be regenerated
[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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 5044af8c758beb8dc1f16db4b32bb9f0fb8b1c1a4100a458001ce0436312bbaf
[INFO] running `Command { std: "docker" "start" "-a" "5044af8c758beb8dc1f16db4b32bb9f0fb8b1c1a4100a458001ce0436312bbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5044af8c758beb8dc1f16db4b32bb9f0fb8b1c1a4100a458001ce0436312bbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5044af8c758beb8dc1f16db4b32bb9f0fb8b1c1a4100a458001ce0436312bbaf", kill_on_drop: false }`
[INFO] [stdout] 5044af8c758beb8dc1f16db4b32bb9f0fb8b1c1a4100a458001ce0436312bbaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 9ea7696a8e5f75a2b5ec3ba2445cb268627346261cb3db26ee7fad698fba5198
[INFO] running `Command { std: "docker" "start" "-a" "9ea7696a8e5f75a2b5ec3ba2445cb268627346261cb3db26ee7fad698fba5198", 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] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rtools-traits v0.0.52
[INFO] [stderr]    Compiling rcut-lib v0.0.52
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rcut v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "9ea7696a8e5f75a2b5ec3ba2445cb268627346261cb3db26ee7fad698fba5198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea7696a8e5f75a2b5ec3ba2445cb268627346261cb3db26ee7fad698fba5198", kill_on_drop: false }`
[INFO] [stdout] 9ea7696a8e5f75a2b5ec3ba2445cb268627346261cb3db26ee7fad698fba5198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 1714df41962e463a07064acd20b0fa4ba780956b99ded2764bf8637f6cb85ea3
[INFO] running `Command { std: "docker" "start" "-a" "1714df41962e463a07064acd20b0fa4ba780956b99ded2764bf8637f6cb85ea3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcut v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "1714df41962e463a07064acd20b0fa4ba780956b99ded2764bf8637f6cb85ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1714df41962e463a07064acd20b0fa4ba780956b99ded2764bf8637f6cb85ea3", kill_on_drop: false }`
[INFO] [stdout] 1714df41962e463a07064acd20b0fa4ba780956b99ded2764bf8637f6cb85ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 209d095d8f9fb71ca514462a587fe4dd46df8c4454a16be6b71970e0f2813526
[INFO] running `Command { std: "docker" "start" "-a" "209d095d8f9fb71ca514462a587fe4dd46df8c4454a16be6b71970e0f2813526", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcut-cca0342176b4db41)
[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" "209d095d8f9fb71ca514462a587fe4dd46df8c4454a16be6b71970e0f2813526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209d095d8f9fb71ca514462a587fe4dd46df8c4454a16be6b71970e0f2813526", kill_on_drop: false }`
[INFO] [stdout] 209d095d8f9fb71ca514462a587fe4dd46df8c4454a16be6b71970e0f2813526