[INFO] fetching crate crc-any 2.3.5...
[INFO] testing crc-any-2.3.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate crc-any 2.3.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate crc-any 2.3.5 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 crc-any 2.3.5
[INFO] finished tweaking crates.io crate crc-any 2.3.5
[INFO] tweaked toml for crates.io crate crc-any 2.3.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61135801d68c2c6472b0556ecb215c850c2dbe1c9ae518b40fb606ec02f073f1
[INFO] running `Command { std: "docker" "start" "-a" "61135801d68c2c6472b0556ecb215c850c2dbe1c9ae518b40fb606ec02f073f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61135801d68c2c6472b0556ecb215c850c2dbe1c9ae518b40fb606ec02f073f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61135801d68c2c6472b0556ecb215c850c2dbe1c9ae518b40fb606ec02f073f1", kill_on_drop: false }`
[INFO] [stdout] 61135801d68c2c6472b0556ecb215c850c2dbe1c9ae518b40fb606ec02f073f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6eb09f5c36c3307b61aa851056872bfda4a0ba8d745531091358c6080a406e4a
[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" "6eb09f5c36c3307b61aa851056872bfda4a0ba8d745531091358c6080a406e4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug-helper v0.3.10
[INFO] [stderr]    Compiling crc-any v2.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "6eb09f5c36c3307b61aa851056872bfda4a0ba8d745531091358c6080a406e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb09f5c36c3307b61aa851056872bfda4a0ba8d745531091358c6080a406e4a", kill_on_drop: false }`
[INFO] [stdout] 6eb09f5c36c3307b61aa851056872bfda4a0ba8d745531091358c6080a406e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 156bac53533b1e44914412b03962ca068fc9136c6f372602a7222cc211775893
[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" "156bac53533b1e44914412b03962ca068fc9136c6f372602a7222cc211775893", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc-any v2.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "156bac53533b1e44914412b03962ca068fc9136c6f372602a7222cc211775893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156bac53533b1e44914412b03962ca068fc9136c6f372602a7222cc211775893", kill_on_drop: false }`
[INFO] [stdout] 156bac53533b1e44914412b03962ca068fc9136c6f372602a7222cc211775893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6d78767de6a75dac7214472ad6d3df1ef81211932c93cb85d33800b439544522
[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" "6d78767de6a75dac7214472ad6d3df1ef81211932c93cb85d33800b439544522", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crc_any-a35d35151c845a4a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crc-any
[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] [stdout] 
[INFO] [stdout] running 168 tests
[INFO] [stdout] test src/crc_u16.rs - crc_u16::CRCu16::crc13bbc (line 452) ... ok
[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 --test /opt/rustwide/workdir/src/lib.rs --crate-name crc_any -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="debug-helper"' --cfg 'feature="alloc"' --cfg 'feature="default"' --extern bencher=/opt/rustwide/target/debug/deps/libbencher-7f629bb11147477a.rlib --extern crc_any=/opt/rustwide/target/debug/deps/libcrc_any-887628702d1fc46e.rlib --extern debug_helper=/opt/rustwide/target/debug/deps/libdebug_helper-ecf737e36f723601.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6d78767de6a75dac7214472ad6d3df1ef81211932c93cb85d33800b439544522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d78767de6a75dac7214472ad6d3df1ef81211932c93cb85d33800b439544522", kill_on_drop: false }`
[INFO] [stdout] 6d78767de6a75dac7214472ad6d3df1ef81211932c93cb85d33800b439544522