[INFO] fetching crate sequoia-rfc2822 0.10.0...
[INFO] checking sequoia-rfc2822-0.10.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate sequoia-rfc2822 0.10.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sequoia-rfc2822 0.10.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 879912b6bf1326f5d04e50ad2b491d4185d9364b9e3357e8f3f07cb157892ae5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "879912b6bf1326f5d04e50ad2b491d4185d9364b9e3357e8f3f07cb157892ae5"`
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[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=06d8e268ce81b5fd -C extra-filename=-06d8e268ce81b5fd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-70d9055ad2b63ccb.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-abc4a091a0300a2c.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-43b434686826bc79/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" "879912b6bf1326f5d04e50ad2b491d4185d9364b9e3357e8f3f07cb157892ae5"`
[INFO] running `"docker" "rm" "-f" "879912b6bf1326f5d04e50ad2b491d4185d9364b9e3357e8f3f07cb157892ae5"`
[INFO] [stdout] 879912b6bf1326f5d04e50ad2b491d4185d9364b9e3357e8f3f07cb157892ae5