[INFO] fetching crate mode 0.4.0...
[INFO] testing mode-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mode 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mode 0.4.0 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 mode 0.4.0
[INFO] finished tweaking crates.io crate mode 0.4.0
[INFO] tweaked toml for crates.io crate mode 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate mode 0.4.0 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 18d22484d598318f07c9e0ddaa808247562b823fea2cd2cb89540a66e2f7853c
[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" "18d22484d598318f07c9e0ddaa808247562b823fea2cd2cb89540a66e2f7853c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18d22484d598318f07c9e0ddaa808247562b823fea2cd2cb89540a66e2f7853c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d22484d598318f07c9e0ddaa808247562b823fea2cd2cb89540a66e2f7853c", kill_on_drop: false }`
[INFO] [stdout] 18d22484d598318f07c9e0ddaa808247562b823fea2cd2cb89540a66e2f7853c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 85164e57419106115c2e7237827857d673156c2790f95787d4acb900fef0b9e2
[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" "85164e57419106115c2e7237827857d673156c2790f95787d4acb900fef0b9e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mode v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "85164e57419106115c2e7237827857d673156c2790f95787d4acb900fef0b9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85164e57419106115c2e7237827857d673156c2790f95787d4acb900fef0b9e2", kill_on_drop: false }`
[INFO] [stdout] 85164e57419106115c2e7237827857d673156c2790f95787d4acb900fef0b9e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2269d7ec2f5f78eec39cc43353cffde69f39c0123d6496c9e12f51a89f8742f
[INFO] running `Command { std: "docker" "start" "-a" "c2269d7ec2f5f78eec39cc43353cffde69f39c0123d6496c9e12f51a89f8742f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mode v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "c2269d7ec2f5f78eec39cc43353cffde69f39c0123d6496c9e12f51a89f8742f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2269d7ec2f5f78eec39cc43353cffde69f39c0123d6496c9e12f51a89f8742f", kill_on_drop: false }`
[INFO] [stdout] c2269d7ec2f5f78eec39cc43353cffde69f39c0123d6496c9e12f51a89f8742f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ea347c2c7f1bd88e83b1b24cff17c2d7b372e90101f241199501134582c7edea
[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" "ea347c2c7f1bd88e83b1b24cff17c2d7b372e90101f241199501134582c7edea", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mode-b5cf1c252737ba33
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mode
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/family.rs - family::Family (line 60) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton<F>::with_mode (line 178) ... ok
[INFO] [stdout] test src/mode.rs - mode::Mode (line 80) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton<F>::new (line 406) ... ok
[INFO] [stdout] test src/mode.rs - mode::Mode (line 101) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton<F> (line 517) ... ok
[INFO] [stdout] test src/family.rs - family::Family (line 32) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton (line 124) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton<F>::next (line 207) ... ok
[INFO] [stdout] test src/family.rs - family::Family::automaton_with_mode (line 133) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton (line 89) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton (line 25) ... ok
[INFO] [stdout] test src/family.rs - family::Family::automaton (line 97) ... ok
[INFO] [stdout] test src/mode.rs - mode::Mode (line 20) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton<F>::next_with_result (line 253) ... ok
[INFO] [stdout] test src/automaton.rs - automaton::Automaton<F> (line 473) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea347c2c7f1bd88e83b1b24cff17c2d7b372e90101f241199501134582c7edea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea347c2c7f1bd88e83b1b24cff17c2d7b372e90101f241199501134582c7edea", kill_on_drop: false }`
[INFO] [stdout] ea347c2c7f1bd88e83b1b24cff17c2d7b372e90101f241199501134582c7edea