[INFO] fetching crate memx 0.1.18...
[INFO] building memx-0.1.18 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] extracting crate memx 0.1.18 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate memx 0.1.18 on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking crates.io crate memx 0.1.18
[INFO] finished tweaking crates.io crate memx 0.1.18
[INFO] tweaked toml for crates.io crate memx 0.1.18 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate memx 0.1.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae2ee7ea7819b49bd502072d20acef6a9b4540dacf5c0e0d4506432461a962d7
[INFO] running `Command { std: "docker" "start" "-a" "ae2ee7ea7819b49bd502072d20acef6a9b4540dacf5c0e0d4506432461a962d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae2ee7ea7819b49bd502072d20acef6a9b4540dacf5c0e0d4506432461a962d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2ee7ea7819b49bd502072d20acef6a9b4540dacf5c0e0d4506432461a962d7", kill_on_drop: false }`
[INFO] [stdout] ae2ee7ea7819b49bd502072d20acef6a9b4540dacf5c0e0d4506432461a962d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f23ce9e3b02c17dd93befceca0d99bca3f1775f945bb67216485698bd7b1a7f2
[INFO] running `Command { std: "docker" "start" "-a" "f23ce9e3b02c17dd93befceca0d99bca3f1775f945bb67216485698bd7b1a7f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memx v0.1.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "f23ce9e3b02c17dd93befceca0d99bca3f1775f945bb67216485698bd7b1a7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23ce9e3b02c17dd93befceca0d99bca3f1775f945bb67216485698bd7b1a7f2", kill_on_drop: false }`
[INFO] [stdout] f23ce9e3b02c17dd93befceca0d99bca3f1775f945bb67216485698bd7b1a7f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fec6ad3f9af12b0dba4c478750f09980ee9058be22b3febf56fa6476d79677e
[INFO] running `Command { std: "docker" "start" "-a" "7fec6ad3f9af12b0dba4c478750f09980ee9058be22b3febf56fa6476d79677e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling memx v0.1.18 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `memx`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name memx --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=a6de1b0e46b54e42 -C extra-filename=-a6de1b0e46b54e42 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-69c11d077ef44fc2.so --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7fec6ad3f9af12b0dba4c478750f09980ee9058be22b3febf56fa6476d79677e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fec6ad3f9af12b0dba4c478750f09980ee9058be22b3febf56fa6476d79677e", kill_on_drop: false }`
[INFO] [stdout] 7fec6ad3f9af12b0dba4c478750f09980ee9058be22b3febf56fa6476d79677e