[INFO] fetching crate rusty-turing-machine 0.1.0...
[INFO] testing rusty-turing-machine-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rusty-turing-machine 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rusty-turing-machine 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-turing-machine 0.1.0
[INFO] finished tweaking crates.io crate rusty-turing-machine 0.1.0
[INFO] tweaked toml for crates.io crate rusty-turing-machine 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rusty-turing-machine 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bac5b3d645d722fc3bc344c9c94ea2cb4ad6076da736511d388e37ed84a960b6
[INFO] running `Command { std: "docker" "start" "-a" "bac5b3d645d722fc3bc344c9c94ea2cb4ad6076da736511d388e37ed84a960b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bac5b3d645d722fc3bc344c9c94ea2cb4ad6076da736511d388e37ed84a960b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac5b3d645d722fc3bc344c9c94ea2cb4ad6076da736511d388e37ed84a960b6", kill_on_drop: false }`
[INFO] [stdout] bac5b3d645d722fc3bc344c9c94ea2cb4ad6076da736511d388e37ed84a960b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3330fc5a44b74f88fd7534be0429af517c71ef3244a33e864ffb2d806b7a8dc
[INFO] running `Command { std: "docker" "start" "-a" "d3330fc5a44b74f88fd7534be0429af517c71ef3244a33e864ffb2d806b7a8dc", 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] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling rusty-turing-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.70s
[INFO] running `Command { std: "docker" "inspect" "d3330fc5a44b74f88fd7534be0429af517c71ef3244a33e864ffb2d806b7a8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3330fc5a44b74f88fd7534be0429af517c71ef3244a33e864ffb2d806b7a8dc", kill_on_drop: false }`
[INFO] [stdout] d3330fc5a44b74f88fd7534be0429af517c71ef3244a33e864ffb2d806b7a8dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc2c33457eab116a601668caa2383dd5c29b101efbd2b76169075410bab7bbba
[INFO] running `Command { std: "docker" "start" "-a" "dc2c33457eab116a601668caa2383dd5c29b101efbd2b76169075410bab7bbba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-turing-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_turing_machine-3ea7afdfe1a5bf2e)
[INFO] running `Command { std: "docker" "inspect" "dc2c33457eab116a601668caa2383dd5c29b101efbd2b76169075410bab7bbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2c33457eab116a601668caa2383dd5c29b101efbd2b76169075410bab7bbba", kill_on_drop: false }`
[INFO] [stdout] dc2c33457eab116a601668caa2383dd5c29b101efbd2b76169075410bab7bbba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b15556e4eb0edf9dbf1dba56f2ec31a5604be581fafa2f4ee2f4f168d771eecf
[INFO] running `Command { std: "docker" "start" "-a" "b15556e4eb0edf9dbf1dba56f2ec31a5604be581fafa2f4ee2f4f168d771eecf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_turing_machine-3ea7afdfe1a5bf2e)
[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" "b15556e4eb0edf9dbf1dba56f2ec31a5604be581fafa2f4ee2f4f168d771eecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15556e4eb0edf9dbf1dba56f2ec31a5604be581fafa2f4ee2f4f168d771eecf", kill_on_drop: false }`
[INFO] [stdout] b15556e4eb0edf9dbf1dba56f2ec31a5604be581fafa2f4ee2f4f168d771eecf