[INFO] cloning repository https://github.com/arttatum/shadows_and_muts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arttatum/shadows_and_muts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farttatum%2Fshadows_and_muts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farttatum%2Fshadows_and_muts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30d5f9d71c451abfcf868089cf30c3bca0dc9563
[INFO] testing arttatum/shadows_and_muts against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farttatum%2Fshadows_and_muts" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arttatum/shadows_and_muts 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/arttatum/shadows_and_muts
[INFO] finished tweaking git repo https://github.com/arttatum/shadows_and_muts
[INFO] tweaked toml for git repo https://github.com/arttatum/shadows_and_muts written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/arttatum/shadows_and_muts 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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 632e32ed75556c1be72684f66f062890668341f6322498f3c1d28382e2c194a6
[INFO] running `Command { std: "docker" "start" "-a" "632e32ed75556c1be72684f66f062890668341f6322498f3c1d28382e2c194a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632e32ed75556c1be72684f66f062890668341f6322498f3c1d28382e2c194a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632e32ed75556c1be72684f66f062890668341f6322498f3c1d28382e2c194a6", kill_on_drop: false }`
[INFO] [stdout] 632e32ed75556c1be72684f66f062890668341f6322498f3c1d28382e2c194a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 747852bb1ab2f049772d822c4da78a5698187b4d94d41dc5e2bab94b746b051f
[INFO] running `Command { std: "docker" "start" "-a" "747852bb1ab2f049772d822c4da78a5698187b4d94d41dc5e2bab94b746b051f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadows_and_muts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "747852bb1ab2f049772d822c4da78a5698187b4d94d41dc5e2bab94b746b051f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747852bb1ab2f049772d822c4da78a5698187b4d94d41dc5e2bab94b746b051f", kill_on_drop: false }`
[INFO] [stdout] 747852bb1ab2f049772d822c4da78a5698187b4d94d41dc5e2bab94b746b051f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 375377c8d1e3e0d8fcc098b8436d747cc8d6a1601d8b87d83910868807331e22
[INFO] running `Command { std: "docker" "start" "-a" "375377c8d1e3e0d8fcc098b8436d747cc8d6a1601d8b87d83910868807331e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadows_and_muts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "375377c8d1e3e0d8fcc098b8436d747cc8d6a1601d8b87d83910868807331e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375377c8d1e3e0d8fcc098b8436d747cc8d6a1601d8b87d83910868807331e22", kill_on_drop: false }`
[INFO] [stdout] 375377c8d1e3e0d8fcc098b8436d747cc8d6a1601d8b87d83910868807331e22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 1397151b2627cfd483c636b93ea3e36621d9d7f3d5f9f53116e4d09bf1b40c45
[INFO] running `Command { std: "docker" "start" "-a" "1397151b2627cfd483c636b93ea3e36621d9d7f3d5f9f53116e4d09bf1b40c45", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shadows_and_muts-3dd8f7f927abbb6e)
[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" "1397151b2627cfd483c636b93ea3e36621d9d7f3d5f9f53116e4d09bf1b40c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1397151b2627cfd483c636b93ea3e36621d9d7f3d5f9f53116e4d09bf1b40c45", kill_on_drop: false }`
[INFO] [stdout] 1397151b2627cfd483c636b93ea3e36621d9d7f3d5f9f53116e4d09bf1b40c45