[INFO] fetching crate rut 0.4.2...
[INFO] testing rut-0.4.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate rut 0.4.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rut 0.4.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rut 0.4.2
[INFO] finished tweaking crates.io crate rut 0.4.2
[INFO] tweaked toml for crates.io crate rut 0.4.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea6cd668dcaf45947f146c384b376f7e8d3eb25364e12b8a371dc8cd8ef1e0a7
[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" "ea6cd668dcaf45947f146c384b376f7e8d3eb25364e12b8a371dc8cd8ef1e0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea6cd668dcaf45947f146c384b376f7e8d3eb25364e12b8a371dc8cd8ef1e0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6cd668dcaf45947f146c384b376f7e8d3eb25364e12b8a371dc8cd8ef1e0a7", kill_on_drop: false }`
[INFO] [stdout] ea6cd668dcaf45947f146c384b376f7e8d3eb25364e12b8a371dc8cd8ef1e0a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 06e800cd814cf32f88d6e5a5c4eab27c9376bfaf172d50368ae50db64a23151f
[INFO] running `Command { std: "docker" "start" "-a" "06e800cd814cf32f88d6e5a5c4eab27c9376bfaf172d50368ae50db64a23151f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rut v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "06e800cd814cf32f88d6e5a5c4eab27c9376bfaf172d50368ae50db64a23151f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e800cd814cf32f88d6e5a5c4eab27c9376bfaf172d50368ae50db64a23151f", kill_on_drop: false }`
[INFO] [stdout] 06e800cd814cf32f88d6e5a5c4eab27c9376bfaf172d50368ae50db64a23151f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f899872588e7daad4c4eedc9ac9348fb177c68a38073f44ce4753851fa24400f
[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" "f899872588e7daad4c4eedc9ac9348fb177c68a38073f44ce4753851fa24400f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rut v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "f899872588e7daad4c4eedc9ac9348fb177c68a38073f44ce4753851fa24400f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f899872588e7daad4c4eedc9ac9348fb177c68a38073f44ce4753851fa24400f", kill_on_drop: false }`
[INFO] [stdout] f899872588e7daad4c4eedc9ac9348fb177c68a38073f44ce4753851fa24400f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f987b83392d11d106d470024800e110c11a78830e0867317c45368c63cab91e
[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" "7f987b83392d11d106d470024800e110c11a78830e0867317c45368c63cab91e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rut-39e21017a4c657e2
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::last_valid_1 ... ok
[INFO] [stdout] test tests::first_after_surrogates ... ok
[INFO] [stdout] test tests::first_before_surrogates ... ok
[INFO] [stdout] test tests::last_valid_4 ... ok
[INFO] [stdout] test tests::first_valid_2 ... ok
[INFO] [stdout] test tests::first_valid_1 ... ok
[INFO] [stdout] test tests::first_valid_4 ... ok
[INFO] [stdout] test tests::continuation_bytes ... ok
[INFO] [stdout] test tests::last_valid_3 ... ok
[INFO] [stdout] test tests::first_valid_3 ... ok
[INFO] [stdout] test tests::last_valid_2 ... ok
[INFO] [stdout] test tests::invalid_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rut
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - decode_one (line 247) ... ok
[INFO] [stdout] test src/lib.rs - decode_one (line 257) ... ok
[INFO] [stdout] test src/lib.rs - decode (line 322) ... ok
[INFO] [stdout] test src/lib.rs - Decode::rest (line 355) ... ok
[INFO] [stdout] test src/lib.rs - decode (line 332) ... ok
[INFO] [stdout] test src/lib.rs - Decoder::decode_byte (line 133) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f987b83392d11d106d470024800e110c11a78830e0867317c45368c63cab91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f987b83392d11d106d470024800e110c11a78830e0867317c45368c63cab91e", kill_on_drop: false }`
[INFO] [stdout] 7f987b83392d11d106d470024800e110c11a78830e0867317c45368c63cab91e