[INFO] fetching crate sequoia-rfc2822 0.10.0...
[INFO] checking sequoia-rfc2822-0.10.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate sequoia-rfc2822 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sequoia-rfc2822 0.10.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sequoia-rfc2822 0.10.0
[INFO] finished tweaking crates.io crate sequoia-rfc2822 0.10.0
[INFO] tweaked toml for crates.io crate sequoia-rfc2822 0.10.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6348ce27b7101799dbe687f5a239e0303b029f438649b1e36a1fe7cfe8ab67f6
[INFO] running `"docker" "start" "-a" "6348ce27b7101799dbe687f5a239e0303b029f438649b1e36a1fe7cfe8ab67f6"`
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling sequoia-rfc2822 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `sequoia-rfc2822`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name sequoia_rfc2822 src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=7e77f6820d278285 -C extra-filename=-7e77f6820d278285 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-0909c72ab11e0a09.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-24455eacc75f2c29.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-c98542f5c13c3523/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6348ce27b7101799dbe687f5a239e0303b029f438649b1e36a1fe7cfe8ab67f6"`
[INFO] running `"docker" "rm" "-f" "6348ce27b7101799dbe687f5a239e0303b029f438649b1e36a1fe7cfe8ab67f6"`
[INFO] [stdout] 6348ce27b7101799dbe687f5a239e0303b029f438649b1e36a1fe7cfe8ab67f6