[INFO] cloning repository https://github.com/stevewirts/rust_string_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevewirts/rust_string_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevewirts%2Frust_string_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevewirts%2Frust_string_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e79f01ef67c9baf268722897b817f9dab520576
[INFO] testing stevewirts/rust_string_exercises against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevewirts%2Frust_string_exercises" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevewirts/rust_string_exercises 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/stevewirts/rust_string_exercises
[INFO] finished tweaking git repo https://github.com/stevewirts/rust_string_exercises
[INFO] tweaked toml for git repo https://github.com/stevewirts/rust_string_exercises written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/stevewirts/rust_string_exercises 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 90bae582239ca561f3c4fd739875fb1a0530fc16af7685b5aa53b31d87ab96b5
[INFO] running `Command { std: "docker" "start" "-a" "90bae582239ca561f3c4fd739875fb1a0530fc16af7685b5aa53b31d87ab96b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90bae582239ca561f3c4fd739875fb1a0530fc16af7685b5aa53b31d87ab96b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90bae582239ca561f3c4fd739875fb1a0530fc16af7685b5aa53b31d87ab96b5", kill_on_drop: false }`
[INFO] [stdout] 90bae582239ca561f3c4fd739875fb1a0530fc16af7685b5aa53b31d87ab96b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d745320805411e34a9bfd0f92145a75ced02558304a0904f86ac8ab6337b375a
[INFO] running `Command { std: "docker" "start" "-a" "d745320805411e34a9bfd0f92145a75ced02558304a0904f86ac8ab6337b375a", kill_on_drop: false }`
[INFO] [stderr]    Compiling one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "d745320805411e34a9bfd0f92145a75ced02558304a0904f86ac8ab6337b375a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d745320805411e34a9bfd0f92145a75ced02558304a0904f86ac8ab6337b375a", kill_on_drop: false }`
[INFO] [stdout] d745320805411e34a9bfd0f92145a75ced02558304a0904f86ac8ab6337b375a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 143eff3b7a036c1ba98336724385a006df68ec7f989c8eec224bac08a3b2f743
[INFO] running `Command { std: "docker" "start" "-a" "143eff3b7a036c1ba98336724385a006df68ec7f989c8eec224bac08a3b2f743", kill_on_drop: false }`
[INFO] [stderr]    Compiling one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "143eff3b7a036c1ba98336724385a006df68ec7f989c8eec224bac08a3b2f743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143eff3b7a036c1ba98336724385a006df68ec7f989c8eec224bac08a3b2f743", kill_on_drop: false }`
[INFO] [stdout] 143eff3b7a036c1ba98336724385a006df68ec7f989c8eec224bac08a3b2f743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] eba2f500a223a3d7d746d535fed3bd7e36a374ebbb2c7740d8d3689a75dcf9b4
[INFO] running `Command { std: "docker" "start" "-a" "eba2f500a223a3d7d746d535fed3bd7e36a374ebbb2c7740d8d3689a75dcf9b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/one-5e056663d1363870)
[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" "eba2f500a223a3d7d746d535fed3bd7e36a374ebbb2c7740d8d3689a75dcf9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba2f500a223a3d7d746d535fed3bd7e36a374ebbb2c7740d8d3689a75dcf9b4", kill_on_drop: false }`
[INFO] [stdout] eba2f500a223a3d7d746d535fed3bd7e36a374ebbb2c7740d8d3689a75dcf9b4