[INFO] cloning repository https://github.com/cbarber/monty-hall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbarber/monty-hall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbarber%2Fmonty-hall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbarber%2Fmonty-hall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5eb875cea3ad9de45f4e7fed2a2849049eb19670
[INFO] testing cbarber/monty-hall against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbarber%2Fmonty-hall" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbarber/monty-hall on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cbarber/monty-hall
[INFO] finished tweaking git repo https://github.com/cbarber/monty-hall
[INFO] tweaked toml for git repo https://github.com/cbarber/monty-hall written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cbarber/monty-hall already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05fe5f9d99045d3c73766955038bdc111e1302f663f3e41254a15e48c86d48ea
[INFO] running `Command { std: "docker" "start" "-a" "05fe5f9d99045d3c73766955038bdc111e1302f663f3e41254a15e48c86d48ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05fe5f9d99045d3c73766955038bdc111e1302f663f3e41254a15e48c86d48ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fe5f9d99045d3c73766955038bdc111e1302f663f3e41254a15e48c86d48ea", kill_on_drop: false }`
[INFO] [stdout] 05fe5f9d99045d3c73766955038bdc111e1302f663f3e41254a15e48c86d48ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6301d1d27a09de7053ecac8f90b4a2390dee14e0a6965c83faa6a39c1ec6f192
[INFO] running `Command { std: "docker" "start" "-a" "6301d1d27a09de7053ecac8f90b4a2390dee14e0a6965c83faa6a39c1ec6f192", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling monty-hall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "6301d1d27a09de7053ecac8f90b4a2390dee14e0a6965c83faa6a39c1ec6f192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6301d1d27a09de7053ecac8f90b4a2390dee14e0a6965c83faa6a39c1ec6f192", kill_on_drop: false }`
[INFO] [stdout] 6301d1d27a09de7053ecac8f90b4a2390dee14e0a6965c83faa6a39c1ec6f192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97f9fb7d5cec577cff11c0e5920bd3c5d7b16251d766c1509252173147fbc66a
[INFO] running `Command { std: "docker" "start" "-a" "97f9fb7d5cec577cff11c0e5920bd3c5d7b16251d766c1509252173147fbc66a", kill_on_drop: false }`
[INFO] [stderr]    Compiling monty-hall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "97f9fb7d5cec577cff11c0e5920bd3c5d7b16251d766c1509252173147fbc66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f9fb7d5cec577cff11c0e5920bd3c5d7b16251d766c1509252173147fbc66a", kill_on_drop: false }`
[INFO] [stdout] 97f9fb7d5cec577cff11c0e5920bd3c5d7b16251d766c1509252173147fbc66a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99d1b82be4176878dbdec2dd9b92936035d87d89ae6011bca8518436ed1aeadc
[INFO] running `Command { std: "docker" "start" "-a" "99d1b82be4176878dbdec2dd9b92936035d87d89ae6011bca8518436ed1aeadc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monty_hall-5ddba5c41d3d8495)
[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" "99d1b82be4176878dbdec2dd9b92936035d87d89ae6011bca8518436ed1aeadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d1b82be4176878dbdec2dd9b92936035d87d89ae6011bca8518436ed1aeadc", kill_on_drop: false }`
[INFO] [stdout] 99d1b82be4176878dbdec2dd9b92936035d87d89ae6011bca8518436ed1aeadc