[INFO] fetching crate num_x 0.2.2...
[INFO] testing num_x-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate num_x 0.2.2 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate num_x 0.2.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num_x 0.2.2
[INFO] finished tweaking crates.io crate num_x 0.2.2
[INFO] tweaked toml for crates.io crate num_x 0.2.2 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d75c2e0cb7228faa8df83a58bdf20c036a6c20bcd09a169a30ff7fe9042938
[INFO] running `Command { std: "docker" "start" "-a" "f9d75c2e0cb7228faa8df83a58bdf20c036a6c20bcd09a169a30ff7fe9042938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d75c2e0cb7228faa8df83a58bdf20c036a6c20bcd09a169a30ff7fe9042938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d75c2e0cb7228faa8df83a58bdf20c036a6c20bcd09a169a30ff7fe9042938", kill_on_drop: false }`
[INFO] [stdout] f9d75c2e0cb7228faa8df83a58bdf20c036a6c20bcd09a169a30ff7fe9042938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa1d72eb2e47ce52845e30241396cf59035214529dee69d9ceca735df886db56
[INFO] running `Command { std: "docker" "start" "-a" "aa1d72eb2e47ce52845e30241396cf59035214529dee69d9ceca735df886db56", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling num_x v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.98s
[INFO] running `Command { std: "docker" "inspect" "aa1d72eb2e47ce52845e30241396cf59035214529dee69d9ceca735df886db56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1d72eb2e47ce52845e30241396cf59035214529dee69d9ceca735df886db56", kill_on_drop: false }`
[INFO] [stdout] aa1d72eb2e47ce52845e30241396cf59035214529dee69d9ceca735df886db56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17090da38578133a71b995e0933de3a98d05e9a133248e034f149a4ac8378502
[INFO] running `Command { std: "docker" "start" "-a" "17090da38578133a71b995e0933de3a98d05e9a133248e034f149a4ac8378502", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num_x v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.34s
[INFO] running `Command { std: "docker" "inspect" "17090da38578133a71b995e0933de3a98d05e9a133248e034f149a4ac8378502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17090da38578133a71b995e0933de3a98d05e9a133248e034f149a4ac8378502", kill_on_drop: false }`
[INFO] [stdout] 17090da38578133a71b995e0933de3a98d05e9a133248e034f149a4ac8378502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf33f22ab89b7f6f507996c51aaedcc9d046aa5c9af78db4cb4aa21cd3f78341
[INFO] running `Command { std: "docker" "start" "-a" "cf33f22ab89b7f6f507996c51aaedcc9d046aa5c9af78db4cb4aa21cd3f78341", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/num_x-7ff90780015e4c14)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test conversion::tests::test_conversion_unsigned ... ok
[INFO] [stdout] test conversion::tests::test_conversion_signed ... ok
[INFO] [stdout] test tests::min_max_values ... ok
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_bitand_assign ... ok
[INFO] [stdout] test tests::test_bitand ... ok
[INFO] [stdout] test tests::test_bitor ... ok
[INFO] [stdout] test tests::test_bitor_assign ... ok
[INFO] [stdout] test tests::test_bitxor_assign ... ok
[INFO] [stdout] test tests::test_bitxor ... ok
[INFO] [stdout] test tests::test_not ... ok
[INFO] [stdout] test tests::test_shl ... ok
[INFO] [stdout] test tests::test_masking ... ok
[INFO] [stdout] test tests::test_shl_assign ... ok
[INFO] [stdout] test tests::test_shr ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_shr_assign ... ok
[INFO] [stdout] test tests::test_wrapping_add ... ok
[INFO] [stdout] test tests::test_add_overflow_i96 - should panic ... ok
[INFO] [stdout] test tests::test_add_overflow_u127 - should panic ... ok
[INFO] [stdout] test tests::test_add_overflow_u5 - should panic ... ok
[INFO] [stdout] test tests::test_add_underflow_i17 - should panic ... ok
[INFO] [stdout] test tests::test_add_underflow_i96 - should panic ... ok
[INFO] [stdout] test tests::test_sub_overflow_i23 - should panic ... ok
[INFO] [stdout] test tests::test_sub_underflow_i5 - should panic ... ok
[INFO] [stdout] test tests::test_sub_underflow_u5 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests num_x
[INFO] [stdout] 
[INFO] [stdout] running 738 tests
[INFO] [stdout] test src/lib.rs - i108::new (line 822) ... FAILED
[INFO] [stdout] test src/lib.rs - i10::wrapping_sub (line 713) ... FAILED
[INFO] [stdout] test src/lib.rs - i116::wrapping_add (line 829) ... FAILED
[INFO] [stdout] test src/lib.rs - i116::wrapping_sub (line 829) ... FAILED
[INFO] [stdout] test src/lib.rs - i1::wrapping_add (line 704) ... FAILED
[INFO] [stdout] test src/lib.rs - i124::wrapping_add (line 838) ... FAILED
[INFO] [stdout] test src/lib.rs - i126::new (line 842) ... FAILED
[INFO] [stdout] test src/lib.rs - i120::wrapping_add (line 833) ... FAILED
[INFO] [stdout] test src/lib.rs - i117::wrapping_add (line 830) ... FAILED
[INFO] [stdout] test src/lib.rs - i110::wrapping_add (line 822) ... FAILED
[INFO] [stdout] test src/lib.rs - i118::new (line 833) ... FAILED
[INFO] [stdout] test src/lib.rs - i15::wrapping_sub (line 718) ... FAILED
[INFO] [stdout] test src/lib.rs - i103::new (line 816) ... FAILED
[INFO] [stdout] test src/lib.rs - i101::wrapping_add (line 812) ... FAILED
[INFO] [stdout] test src/lib.rs - i23::new (line 728) ... FAILED
[INFO] [stdout] test src/lib.rs - i13::wrapping_sub (line 716) ... FAILED
[INFO] [stdout] test src/lib.rs - i123::wrapping_sub (line 837) ... FAILED
[INFO] [stdout] test src/lib.rs - i12::wrapping_sub (line 715) ... FAILED
[INFO] [stdout] test src/lib.rs - i115::wrapping_sub (line 828) ... FAILED
[INFO] [stdout] test src/lib.rs - i120::wrapping_sub (line 833) ... FAILED
[INFO] [stdout] test src/lib.rs - i108::wrapping_sub (line 820) ... FAILED
[INFO] [stdout] test src/lib.rs - i110::wrapping_sub (line 822) ... FAILED
[INFO] [stdout] test src/lib.rs - i113::wrapping_add (line 826) ... FAILED
[INFO] [stdout] test src/lib.rs - i14::wrapping_add (line 717) ... FAILED
[INFO] [stdout] test src/lib.rs - i108::wrapping_add (line 820) ... FAILED
[INFO] [stdout] test src/lib.rs - i121::new (line 837) ... FAILED
[INFO] [stdout] test src/lib.rs - i114::wrapping_sub (line 827) ... FAILED
[INFO] [stdout] test src/lib.rs - i104::wrapping_sub (line 815) ... FAILED
[INFO] [stdout] test src/lib.rs - i125::wrapping_add (line 839) ... FAILED
[INFO] [stdout] test src/lib.rs - i1::new (line 706) ... FAILED
[INFO] [stdout] test src/lib.rs - i112::wrapping_add (line 824) ... FAILED
[INFO] [stdout] test src/lib.rs - i18::wrapping_add (line 721) ... FAILED
[INFO] [stdout] test src/lib.rs - i120::new (line 835) ... FAILED
[INFO] [stdout] test src/lib.rs - i114::new (line 829) ... FAILED
[INFO] [stdout] test src/lib.rs - i11::new (line 716) ... FAILED
[INFO] [stdout] test src/lib.rs - i105::wrapping_sub (line 817) ... FAILED
[INFO] [stdout] test src/lib.rs - i126::wrapping_add (line 840) ... FAILED
[INFO] [stdout] test src/lib.rs - i114::wrapping_add (line 827) ... FAILED
[INFO] [stdout] test src/lib.rs - i117::new (line 832) ... FAILED
[INFO] [stdout] test src/lib.rs - i122::new (line 838) ... FAILED
[INFO] [stdout] test src/lib.rs - i102::wrapping_sub (line 813) ... FAILED
[INFO] [stdout] test src/lib.rs - i107::wrapping_add (line 819) ... FAILED
[INFO] [stdout] test src/lib.rs - i109::wrapping_add (line 821) ... FAILED
[INFO] [stdout] test src/lib.rs - i118::wrapping_sub (line 831) ... FAILED
[INFO] [stdout] test src/lib.rs - i117::wrapping_sub (line 830) ... FAILED
[INFO] [stdout] test src/lib.rs - i118::wrapping_add (line 831) ... FAILED
[INFO] [stdout] test src/lib.rs - i10::new (line 715) ... FAILED
[INFO] [stdout] test src/lib.rs - i110::new (line 824) ... FAILED
[INFO] [stdout] test src/lib.rs - i107::wrapping_sub (line 819) ... FAILED
[INFO] [stdout] test src/lib.rs - i15::new (line 720) ... FAILED
[INFO] [stdout] test src/lib.rs - i113::wrapping_sub (line 826) ... FAILED
[INFO] [stdout] test src/lib.rs - i22::wrapping_add (line 725) ... FAILED
[INFO] [stdout] test src/lib.rs - i18::wrapping_sub (line 721) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name num_x --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4dc40f94662accb2.rlib --extern num_x=/opt/rustwide/target/debug/deps/libnum_x-8cd312ed57e44e1a.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "cf33f22ab89b7f6f507996c51aaedcc9d046aa5c9af78db4cb4aa21cd3f78341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf33f22ab89b7f6f507996c51aaedcc9d046aa5c9af78db4cb4aa21cd3f78341", kill_on_drop: false }`
[INFO] [stdout] cf33f22ab89b7f6f507996c51aaedcc9d046aa5c9af78db4cb4aa21cd3f78341