[INFO] fetching crate bugsalot 0.2.1...
[INFO] testing bugsalot-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bugsalot 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bugsalot 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bugsalot 0.2.1
[INFO] finished tweaking crates.io crate bugsalot 0.2.1
[INFO] tweaked toml for crates.io crate bugsalot 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate bugsalot 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 422e5fbfc9c81e4bcdac7bbd7b603bcdf358e8cf533eec44275959ab1a580399
[INFO] running `Command { std: "docker" "start" "-a" "422e5fbfc9c81e4bcdac7bbd7b603bcdf358e8cf533eec44275959ab1a580399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422e5fbfc9c81e4bcdac7bbd7b603bcdf358e8cf533eec44275959ab1a580399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422e5fbfc9c81e4bcdac7bbd7b603bcdf358e8cf533eec44275959ab1a580399", kill_on_drop: false }`
[INFO] [stdout] 422e5fbfc9c81e4bcdac7bbd7b603bcdf358e8cf533eec44275959ab1a580399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98a0191af14f16d577c755ccefffed15e5289c25f63cb39b5dfe82800994b9fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98a0191af14f16d577c755ccefffed15e5289c25f63cb39b5dfe82800994b9fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bugsalot v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "98a0191af14f16d577c755ccefffed15e5289c25f63cb39b5dfe82800994b9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a0191af14f16d577c755ccefffed15e5289c25f63cb39b5dfe82800994b9fb", kill_on_drop: false }`
[INFO] [stdout] 98a0191af14f16d577c755ccefffed15e5289c25f63cb39b5dfe82800994b9fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de5ea57918608b1774093260f2035ec3cc9fcc29249ab86b05d781af23d7b776
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de5ea57918608b1774093260f2035ec3cc9fcc29249ab86b05d781af23d7b776", kill_on_drop: false }`
[INFO] [stderr]    Compiling bugsalot v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "de5ea57918608b1774093260f2035ec3cc9fcc29249ab86b05d781af23d7b776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5ea57918608b1774093260f2035ec3cc9fcc29249ab86b05d781af23d7b776", kill_on_drop: false }`
[INFO] [stdout] de5ea57918608b1774093260f2035ec3cc9fcc29249ab86b05d781af23d7b776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82c0e89778835ca00825e8fb64312cfea75ce182e68fbc34dc61ebeb59d18a39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82c0e89778835ca00825e8fb64312cfea75ce182e68fbc34dc61ebeb59d18a39", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bugsalot-926e455e7f40d08a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test unwrap_examples ... ok
[INFO] [stdout] test debugger::state_examples ... ok
[INFO] [stdout] test expect_examples ... ok
[INFO] [stdout] test debugger::wait_until_attached_examples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bugsalot
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/debugger.rs - debugger::break_if_attached (line 148) ... ok
[INFO] [stdout] test src/lib.rs - bug (line 126) ... ok
[INFO] [stdout] test src/debugger.rs - debugger::state (line 58) ... ok
[INFO] [stdout] test src/debugger.rs - debugger::wait_until_attached (line 212) ... ok
[INFO] [stdout] test src/lib.rs - unwrap (line 239) ... ok
[INFO] [stdout] test src/lib.rs - expect (line 337) ... ok
[INFO] [stdout] test src/lib.rs - debug (line 164) ... ok
[INFO] [stdout] test src/lib.rs - debugln (line 198) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82c0e89778835ca00825e8fb64312cfea75ce182e68fbc34dc61ebeb59d18a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c0e89778835ca00825e8fb64312cfea75ce182e68fbc34dc61ebeb59d18a39", kill_on_drop: false }`
[INFO] [stdout] 82c0e89778835ca00825e8fb64312cfea75ce182e68fbc34dc61ebeb59d18a39