[INFO] fetching crate prae 0.4.5...
[INFO] testing prae-0.4.5 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate prae 0.4.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate prae 0.4.5 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prae 0.4.5
[INFO] finished tweaking crates.io crate prae 0.4.5
[INFO] tweaked toml for crates.io crate prae 0.4.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5fa5ce2916bd3ca49e63a95e1642495e2a08030a6dc4c16f3175c1d76879584
[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" "f5fa5ce2916bd3ca49e63a95e1642495e2a08030a6dc4c16f3175c1d76879584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5fa5ce2916bd3ca49e63a95e1642495e2a08030a6dc4c16f3175c1d76879584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5fa5ce2916bd3ca49e63a95e1642495e2a08030a6dc4c16f3175c1d76879584", kill_on_drop: false }`
[INFO] [stdout] f5fa5ce2916bd3ca49e63a95e1642495e2a08030a6dc4c16f3175c1d76879584
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e4cae82116cb9d1c5e28f57c7ab998413343f37fba7dbd588b4b210074cab2d
[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" "0e4cae82116cb9d1c5e28f57c7ab998413343f37fba7dbd588b4b210074cab2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling prae_macro v0.2.1
[INFO] [stderr]    Compiling prae v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.38s
[INFO] running `Command { std: "docker" "inspect" "0e4cae82116cb9d1c5e28f57c7ab998413343f37fba7dbd588b4b210074cab2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4cae82116cb9d1c5e28f57c7ab998413343f37fba7dbd588b4b210074cab2d", kill_on_drop: false }`
[INFO] [stdout] 0e4cae82116cb9d1c5e28f57c7ab998413343f37fba7dbd588b4b210074cab2d
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6669b1397f0fc1893cfd901af9575f9f47c4e699b8bd58a72c87698c422e9da3
[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" "6669b1397f0fc1893cfd901af9575f9f47c4e699b8bd58a72c87698c422e9da3", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling prae v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.63s
[INFO] running `Command { std: "docker" "inspect" "6669b1397f0fc1893cfd901af9575f9f47c4e699b8bd58a72c87698c422e9da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6669b1397f0fc1893cfd901af9575f9f47c4e699b8bd58a72c87698c422e9da3", kill_on_drop: false }`
[INFO] [stdout] 6669b1397f0fc1893cfd901af9575f9f47c4e699b8bd58a72c87698c422e9da3
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3497b4a59e9ee148c3ca6c22d037c5593c209089934b855098fcc33443047b45
[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" "3497b4a59e9ee148c3ca6c22d037c5593c209089934b855098fcc33443047b45", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prae-8d2a17195f81eb68)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test core::tests::validate_guard::falliable_mutation_with_valid_value_succeds ... ok
[INFO] [stdout] test core::tests::validate_guard::falliable_mutation_with_valid_value_fails ... ok
[INFO] [stdout] test core::tests::validate_guard::construction_with_valid_value_succeeds ... ok
[INFO] [stdout] test core::tests::validate_guard::mutation_with_valid_value_succeeds ... ok
[INFO] [stdout] test core::tests::validate_guard::construction_with_invalid_value_fails ... ok
[INFO] [stdout] test core::tests::validate_guard::mutation_with_invalid_value_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/adjust_ensure.rs (/opt/rustwide/target/debug/deps/adjust_ensure-42a17a95d14eca63)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test construction_fails_for_invalid_data ... ok
[INFO] [stdout] test mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_panics_for_invalid_data - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/adjust_validate.rs (/opt/rustwide/target/debug/deps/adjust_validate-fe6e5635cca55a79)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test construction_fails_for_invalid_data ... ok
[INFO] [stdout] test mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_panics_for_invalid_data - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ensure.rs (/opt/rustwide/target/debug/deps/ensure-23e8704e4eb9775e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test construction_fails_for_invalid_data ... ok
[INFO] [stdout] test construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test mutation_panics_for_invalid_data - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-78d156c3a17d29d4)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test adjust_validate::mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test ensure::construction_fails_for_invalid_data ... ok
[INFO] [stdout] test ensure::mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test ensure::mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test validate::construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test validate::mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test validate::construction_fails_for_invalid_data ... ok
[INFO] [stdout] test validate::mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test adjust_validate::construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test adjust_ensure::mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test adjust_ensure::construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test adjust_ensure::construction_fails_for_invalid_data ... ok
[INFO] [stdout] test adjust_ensure::mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test adjust_validate::mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test ensure::construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test adjust_validate::construction_fails_for_invalid_data ... ok
[INFO] [stdout] test adjust_ensure::mutation_panics_for_invalid_data - should panic ... ok
[INFO] [stdout] test adjust_validate::mutation_panics_for_invalid_data - should panic ... ok
[INFO] [stdout] test ensure::mutation_panics_for_invalid_data - should panic ... ok
[INFO] [stdout] test validate::mutation_panics_for_invalid_data - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/validate.rs (/opt/rustwide/target/debug/deps/validate-774e502c25ece551)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test construction_fails_for_invalid_data ... ok
[INFO] [stdout] test construction_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_fails_for_invalid_data ... ok
[INFO] [stdout] test mutation_succeeds_for_valid_data ... ok
[INFO] [stdout] test mutation_panics_for_invalid_data - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prae
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3497b4a59e9ee148c3ca6c22d037c5593c209089934b855098fcc33443047b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3497b4a59e9ee148c3ca6c22d037c5593c209089934b855098fcc33443047b45", kill_on_drop: false }`
[INFO] [stdout] 3497b4a59e9ee148c3ca6c22d037c5593c209089934b855098fcc33443047b45