[INFO] fetching crate no-undo 0.1.0...
[INFO] testing no-undo-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate no-undo 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate no-undo 0.1.0
[INFO] finished tweaking crates.io crate no-undo 0.1.0
[INFO] tweaked toml for crates.io crate no-undo 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate no-undo 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate no-undo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da854fde7a5452bd0ab1e1aff4f56006c10e96ac421c117a0ab6e2375c40dd7
[INFO] running `Command { std: "docker" "start" "-a" "1da854fde7a5452bd0ab1e1aff4f56006c10e96ac421c117a0ab6e2375c40dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da854fde7a5452bd0ab1e1aff4f56006c10e96ac421c117a0ab6e2375c40dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da854fde7a5452bd0ab1e1aff4f56006c10e96ac421c117a0ab6e2375c40dd7", kill_on_drop: false }`
[INFO] [stdout] 1da854fde7a5452bd0ab1e1aff4f56006c10e96ac421c117a0ab6e2375c40dd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0287b0105d8997e09b25429cb73296d516356bc3b550b9236e8e7109201691b
[INFO] running `Command { std: "docker" "start" "-a" "c0287b0105d8997e09b25429cb73296d516356bc3b550b9236e8e7109201691b", kill_on_drop: false }`
[INFO] [stderr]    Compiling no-undo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "c0287b0105d8997e09b25429cb73296d516356bc3b550b9236e8e7109201691b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0287b0105d8997e09b25429cb73296d516356bc3b550b9236e8e7109201691b", kill_on_drop: false }`
[INFO] [stdout] c0287b0105d8997e09b25429cb73296d516356bc3b550b9236e8e7109201691b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5e4b4fec36500b4e6b69f896f57066a3b88c00b776fc1713a81efd1694f33ed
[INFO] running `Command { std: "docker" "start" "-a" "c5e4b4fec36500b4e6b69f896f57066a3b88c00b776fc1713a81efd1694f33ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling no-undo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "c5e4b4fec36500b4e6b69f896f57066a3b88c00b776fc1713a81efd1694f33ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e4b4fec36500b4e6b69f896f57066a3b88c00b776fc1713a81efd1694f33ed", kill_on_drop: false }`
[INFO] [stdout] c5e4b4fec36500b4e6b69f896f57066a3b88c00b776fc1713a81efd1694f33ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10dbdb555b58042a6bc9607a9c5ac76f2256f570e58a8e156b8fbadbcb74356f
[INFO] running `Command { std: "docker" "start" "-a" "10dbdb555b58042a6bc9607a9c5ac76f2256f570e58a8e156b8fbadbcb74356f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/no_undo-5d8c43587b584a0d)
[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" "10dbdb555b58042a6bc9607a9c5ac76f2256f570e58a8e156b8fbadbcb74356f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10dbdb555b58042a6bc9607a9c5ac76f2256f570e58a8e156b8fbadbcb74356f", kill_on_drop: false }`
[INFO] [stdout] 10dbdb555b58042a6bc9607a9c5ac76f2256f570e58a8e156b8fbadbcb74356f