[INFO] fetching crate ch7 0.1.0...
[INFO] testing ch7-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ch7 0.1.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate ch7 0.1.0 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 ch7 0.1.0
[INFO] finished tweaking crates.io crate ch7 0.1.0
[INFO] tweaked toml for crates.io crate ch7 0.1.0 written to /workspace/builds/worker-97/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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 043cea962828b45791fbb481ea52de547059b80eb4d85f07b662695c20ba1af6
[INFO] running `Command { std: "docker" "start" "-a" "043cea962828b45791fbb481ea52de547059b80eb4d85f07b662695c20ba1af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "043cea962828b45791fbb481ea52de547059b80eb4d85f07b662695c20ba1af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043cea962828b45791fbb481ea52de547059b80eb4d85f07b662695c20ba1af6", kill_on_drop: false }`
[INFO] [stdout] 043cea962828b45791fbb481ea52de547059b80eb4d85f07b662695c20ba1af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 0f07783cfe7a6914eec86fdd6abc972e590ed2f533aa0e08c5680fa243e8a59f
[INFO] running `Command { std: "docker" "start" "-a" "0f07783cfe7a6914eec86fdd6abc972e590ed2f533aa0e08c5680fa243e8a59f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ch7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0f07783cfe7a6914eec86fdd6abc972e590ed2f533aa0e08c5680fa243e8a59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f07783cfe7a6914eec86fdd6abc972e590ed2f533aa0e08c5680fa243e8a59f", kill_on_drop: false }`
[INFO] [stdout] 0f07783cfe7a6914eec86fdd6abc972e590ed2f533aa0e08c5680fa243e8a59f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] c87ce95c90862916ac550d954bff7467f5089be3dffe82acc7ca93ec6eaf60ea
[INFO] running `Command { std: "docker" "start" "-a" "c87ce95c90862916ac550d954bff7467f5089be3dffe82acc7ca93ec6eaf60ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ch7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "c87ce95c90862916ac550d954bff7467f5089be3dffe82acc7ca93ec6eaf60ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87ce95c90862916ac550d954bff7467f5089be3dffe82acc7ca93ec6eaf60ea", kill_on_drop: false }`
[INFO] [stdout] c87ce95c90862916ac550d954bff7467f5089be3dffe82acc7ca93ec6eaf60ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 444c66d7017e37c85ef3bd26d0482077a203b20b794d4c6c2853ca71ea7507da
[INFO] running `Command { std: "docker" "start" "-a" "444c66d7017e37c85ef3bd26d0482077a203b20b794d4c6c2853ca71ea7507da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch7-3abace381d63c9d1)
[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 ch7
[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" "444c66d7017e37c85ef3bd26d0482077a203b20b794d4c6c2853ca71ea7507da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444c66d7017e37c85ef3bd26d0482077a203b20b794d4c6c2853ca71ea7507da", kill_on_drop: false }`
[INFO] [stdout] 444c66d7017e37c85ef3bd26d0482077a203b20b794d4c6c2853ca71ea7507da