[INFO] fetching crate ctron 0.2.0...
[INFO] testing ctron-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ctron 0.2.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate ctron 0.2.0 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 ctron 0.2.0
[INFO] finished tweaking crates.io crate ctron 0.2.0
[INFO] tweaked toml for crates.io crate ctron 0.2.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate ctron 0.2.0 already has a lockfile, it will not be regenerated
[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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 39813962270e8d088993f547d77ef65f7fe73a9a5e88d03854b8eceb5d1d384c
[INFO] running `Command { std: "docker" "start" "-a" "39813962270e8d088993f547d77ef65f7fe73a9a5e88d03854b8eceb5d1d384c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39813962270e8d088993f547d77ef65f7fe73a9a5e88d03854b8eceb5d1d384c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39813962270e8d088993f547d77ef65f7fe73a9a5e88d03854b8eceb5d1d384c", kill_on_drop: false }`
[INFO] [stdout] 39813962270e8d088993f547d77ef65f7fe73a9a5e88d03854b8eceb5d1d384c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] e559084ba38bdb8731f2b090d409721af489f41a85672b960b03dbfefc5ee143
[INFO] running `Command { std: "docker" "start" "-a" "e559084ba38bdb8731f2b090d409721af489f41a85672b960b03dbfefc5ee143", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling ctron v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "e559084ba38bdb8731f2b090d409721af489f41a85672b960b03dbfefc5ee143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e559084ba38bdb8731f2b090d409721af489f41a85672b960b03dbfefc5ee143", kill_on_drop: false }`
[INFO] [stdout] e559084ba38bdb8731f2b090d409721af489f41a85672b960b03dbfefc5ee143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 2ff0380c12ae3ddf0ed097e32a30483c51819279790224888d1fe2dee75a8908
[INFO] running `Command { std: "docker" "start" "-a" "2ff0380c12ae3ddf0ed097e32a30483c51819279790224888d1fe2dee75a8908", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ctron v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "2ff0380c12ae3ddf0ed097e32a30483c51819279790224888d1fe2dee75a8908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff0380c12ae3ddf0ed097e32a30483c51819279790224888d1fe2dee75a8908", kill_on_drop: false }`
[INFO] [stdout] 2ff0380c12ae3ddf0ed097e32a30483c51819279790224888d1fe2dee75a8908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] d5059f15454ea031c51830bb40ac16d1723d83ea2c9cceb4131ffa3805bef93b
[INFO] running `Command { std: "docker" "start" "-a" "d5059f15454ea031c51830bb40ac16d1723d83ea2c9cceb4131ffa3805bef93b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ctron-b6af942dc69cc45c)
[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" "d5059f15454ea031c51830bb40ac16d1723d83ea2c9cceb4131ffa3805bef93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5059f15454ea031c51830bb40ac16d1723d83ea2c9cceb4131ffa3805bef93b", kill_on_drop: false }`
[INFO] [stdout] d5059f15454ea031c51830bb40ac16d1723d83ea2c9cceb4131ffa3805bef93b