[INFO] fetching crate alphabet 0.2.2...
[INFO] testing alphabet-0.2.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate alphabet 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate alphabet 0.2.2 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 alphabet 0.2.2
[INFO] finished tweaking crates.io crate alphabet 0.2.2
[INFO] tweaked toml for crates.io crate alphabet 0.2.2 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f222fea083e8553e680b2e06f04c5fcca6a44b94fe402b1b669a499ebb4a5c06
[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" "f222fea083e8553e680b2e06f04c5fcca6a44b94fe402b1b669a499ebb4a5c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f222fea083e8553e680b2e06f04c5fcca6a44b94fe402b1b669a499ebb4a5c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f222fea083e8553e680b2e06f04c5fcca6a44b94fe402b1b669a499ebb4a5c06", kill_on_drop: false }`
[INFO] [stdout] f222fea083e8553e680b2e06f04c5fcca6a44b94fe402b1b669a499ebb4a5c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 586b8cbb87548726695b42b4043703b828d4b45c6255c1d49588fec67f146202
[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" "586b8cbb87548726695b42b4043703b828d4b45c6255c1d49588fec67f146202", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling alphabet-macro v0.1.2
[INFO] [stderr]    Compiling alphabet v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "586b8cbb87548726695b42b4043703b828d4b45c6255c1d49588fec67f146202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586b8cbb87548726695b42b4043703b828d4b45c6255c1d49588fec67f146202", kill_on_drop: false }`
[INFO] [stdout] 586b8cbb87548726695b42b4043703b828d4b45c6255c1d49588fec67f146202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2151dc1c9b8cec2384d18de16b26568d9a980b96fed0fb244f1b7691027d3458
[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" "2151dc1c9b8cec2384d18de16b26568d9a980b96fed0fb244f1b7691027d3458", kill_on_drop: false }`
[INFO] [stderr]    Compiling alphabet v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "2151dc1c9b8cec2384d18de16b26568d9a980b96fed0fb244f1b7691027d3458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2151dc1c9b8cec2384d18de16b26568d9a980b96fed0fb244f1b7691027d3458", kill_on_drop: false }`
[INFO] [stdout] 2151dc1c9b8cec2384d18de16b26568d9a980b96fed0fb244f1b7691027d3458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b05c1d7eb8cf11bdf55bb458973eec306799f171189cfd3f16140ca169ec60da
[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" "b05c1d7eb8cf11bdf55bb458973eec306799f171189cfd3f16140ca169ec60da", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 42 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alphabet-d53cec267668948a)
[INFO] [stdout] test counter::tests::test_increase ... ok
[INFO] [stdout] test counter::tests::test_increase_empty ... ok
[INFO] [stdout] test counter::tests::test_increase_rollover_1 ... ok
[INFO] [stdout] test counter::tests::test_increase_rollover_large ... ok
[INFO] [stdout] test counter::tests::test_to_word_uses_reverse ... ok
[INFO] [stdout] test tests::test_empty_alphabet_has_no_count_words ... ok
[INFO] [stdout] test counter::tests::test_to_word ... ok
[INFO] [stdout] test counter::tests::test_to_empty_word ... ok
[INFO] [stdout] test util::tests::test_access_direct ... ok
[INFO] [stdout] test tests::test_singleton_alphabet_has_no_count_words ... ok
[INFO] [stdout] test util::tests::test_access_indirect ... ok
[INFO] [stdout] test tests::test_empty_alphabet_has_only_empty_word ... ok
[INFO] [stdout] test util::tests::test_get_direct_same ... ok
[INFO] [stdout] test util::tests::test_get_indirect_same ... ok
[INFO] [stdout] test tests::test_some_english_words ... ok
[INFO] [stdout] test word::counting_iter::tests::test_a_is_first_word ... ok
[INFO] [stdout] test word::counting_iter::tests::test_create_iterator ... ok
[INFO] [stdout] test word::counting_iter::tests::test_empty_on_empty_source ... ok
[INFO] [stdout] test word::counting_iter::tests::test_bcba_is_word ... ok
[INFO] [stdout] test word::word_iter::tests::test_aaaaaa_is_word ... ok
[INFO] [stdout] test word::word_iter::tests::test_abcba_is_word ... ok
[INFO] [stdout] test word::word_iter::tests::test_create_iterator ... ok
[INFO] [stdout] test word::word_iter::tests::test_ends_after_empty_word_on_empty_source ... ok
[INFO] [stdout] test word::counting_iter::tests::test_empty_on_singleton_source ... ok
[INFO] [stdout] test word::counting_iter::tests::test_not_obtain_empty_word ... ok
[INFO] [stdout] test word::counting_iter::tests::test_stays_none_on_singleton_source ... ok
[INFO] [stdout] test word::counting_iter::tests::test_stays_none_on_empty_source ... ok
[INFO] [stdout] test counter::tests::test_increase_rollover_0_panic - should panic ... ok
[INFO] [stdout] test counter::tests::test_increase_initial_ge_rollover_panic - should panic ... ok
[INFO] [stdout] test word::word_iter::tests::test_obtain_empty_word ... ok
[INFO] [stdout] test tests::test_some_german_words ... ok
[INFO] [stdout] test word::word_iter::tests::test_nonempty_alphabet_does_not_end ... ok
[INFO] [stdout] test word::word_iter::tests::test_stays_none ... ok
[INFO] [stdout] test tests::test_singleton_alphabet_has_many_words ... ok
[INFO] [stdout] test word::counting_iter::tests::test_does_not_end ... ok
[INFO] [stdout] test word::counting_iter::tests::test_word_size_monotonically_increases ... ok
[INFO] [stdout] test word::counting_iter::tests::test_abcba_is_not_a_word ... ok
[INFO] [stdout] test tests::test_many_words_counting ... ok
[INFO] [stdout] test tests::test_many_words ... ok
[INFO] [stdout] test tests::test_binary_counting_works ... ok
[INFO] [stdout] test tests::test_iter_words_does_not_count ... ok
[INFO] [stdout] test word::word_iter::tests::test_word_size_monotonically_increases ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alphabet
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Alphabet::iter_words_counting (line 108) ... ok
[INFO] [stdout] test src/lib.rs - Alphabet::iter_words (line 65) ... ok
[INFO] [stdout] test src/lib.rs - Alphabet::iter_words_counting (line 95) ... ok
[INFO] [stdout] test src/lib.rs - Alphabet::iter_words (line 47) ... ok
[INFO] [stdout] test src/lib.rs - Alphabet::iter_words_counting (line 115) ... ok
[INFO] [stdout] test src/lib.rs - Alphabet::iter_words (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b05c1d7eb8cf11bdf55bb458973eec306799f171189cfd3f16140ca169ec60da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05c1d7eb8cf11bdf55bb458973eec306799f171189cfd3f16140ca169ec60da", kill_on_drop: false }`
[INFO] [stdout] b05c1d7eb8cf11bdf55bb458973eec306799f171189cfd3f16140ca169ec60da