[INFO] cloning repository https://github.com/msrv-rs/msrv-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msrv-rs/msrv-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsrv-rs%2Fmsrv-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsrv-rs%2Fmsrv-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60a85e44893984362d4f4b8b5b4c95a91207f69c
[INFO] testing msrv-rs/msrv-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsrv-rs%2Fmsrv-rs" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msrv-rs/msrv-rs 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 git repo https://github.com/msrv-rs/msrv-rs
[INFO] finished tweaking git repo https://github.com/msrv-rs/msrv-rs
[INFO] tweaked toml for git repo https://github.com/msrv-rs/msrv-rs written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/msrv-rs/msrv-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] b128897da2914599f97919164c8c24d58004980a4143c76fed1899b0fbd5355b
[INFO] running `Command { std: "docker" "start" "-a" "b128897da2914599f97919164c8c24d58004980a4143c76fed1899b0fbd5355b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b128897da2914599f97919164c8c24d58004980a4143c76fed1899b0fbd5355b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b128897da2914599f97919164c8c24d58004980a4143c76fed1899b0fbd5355b", kill_on_drop: false }`
[INFO] [stdout] b128897da2914599f97919164c8c24d58004980a4143c76fed1899b0fbd5355b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 2fb1370be2c86fc5bc22f711269e77e28e96c9caf3aa35213e697705904eb12f
[INFO] running `Command { std: "docker" "start" "-a" "2fb1370be2c86fc5bc22f711269e77e28e96c9caf3aa35213e697705904eb12f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling msrv-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "2fb1370be2c86fc5bc22f711269e77e28e96c9caf3aa35213e697705904eb12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb1370be2c86fc5bc22f711269e77e28e96c9caf3aa35213e697705904eb12f", kill_on_drop: false }`
[INFO] [stdout] 2fb1370be2c86fc5bc22f711269e77e28e96c9caf3aa35213e697705904eb12f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 3baecf32be7425e61d10f4ac863745d9922a751eeb0fd9ca6c8da3bb91a41aea
[INFO] running `Command { std: "docker" "start" "-a" "3baecf32be7425e61d10f4ac863745d9922a751eeb0fd9ca6c8da3bb91a41aea", kill_on_drop: false }`
[INFO] [stderr]    Compiling msrv-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "3baecf32be7425e61d10f4ac863745d9922a751eeb0fd9ca6c8da3bb91a41aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3baecf32be7425e61d10f4ac863745d9922a751eeb0fd9ca6c8da3bb91a41aea", kill_on_drop: false }`
[INFO] [stdout] 3baecf32be7425e61d10f4ac863745d9922a751eeb0fd9ca6c8da3bb91a41aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] d8f92a4825ed3a0dedf1ea5d6752aa5bdae08a63b8680442a28714ad6f6ebebf
[INFO] running `Command { std: "docker" "start" "-a" "d8f92a4825ed3a0dedf1ea5d6752aa5bdae08a63b8680442a28714ad6f6ebebf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_resolver_hook-05d6ac12234adc80)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/msrv_rs-831635a1a9db4265)
[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 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" "d8f92a4825ed3a0dedf1ea5d6752aa5bdae08a63b8680442a28714ad6f6ebebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f92a4825ed3a0dedf1ea5d6752aa5bdae08a63b8680442a28714ad6f6ebebf", kill_on_drop: false }`
[INFO] [stdout] d8f92a4825ed3a0dedf1ea5d6752aa5bdae08a63b8680442a28714ad6f6ebebf