[INFO] fetching crate memx 0.1.20...
[INFO] building memx-0.1.20 against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] extracting crate memx 0.1.20 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate memx 0.1.20 on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate memx 0.1.20
[INFO] finished tweaking crates.io crate memx 0.1.20
[INFO] tweaked toml for crates.io crate memx 0.1.20 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate memx 0.1.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88fb41714d4ff4c5d037ccbb126a71b31ab0dc826ae3aa149d1441fa45851e74
[INFO] running `Command { std: "docker" "start" "-a" "88fb41714d4ff4c5d037ccbb126a71b31ab0dc826ae3aa149d1441fa45851e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88fb41714d4ff4c5d037ccbb126a71b31ab0dc826ae3aa149d1441fa45851e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88fb41714d4ff4c5d037ccbb126a71b31ab0dc826ae3aa149d1441fa45851e74", kill_on_drop: false }`
[INFO] [stdout] 88fb41714d4ff4c5d037ccbb126a71b31ab0dc826ae3aa149d1441fa45851e74
[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=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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2684f98631353539279706416eed0cfe47d2ed82b6664dfd6d2e8ffd994958f2
[INFO] running `Command { std: "docker" "start" "-a" "2684f98631353539279706416eed0cfe47d2ed82b6664dfd6d2e8ffd994958f2", 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] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memx v0.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "2684f98631353539279706416eed0cfe47d2ed82b6664dfd6d2e8ffd994958f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2684f98631353539279706416eed0cfe47d2ed82b6664dfd6d2e8ffd994958f2", kill_on_drop: false }`
[INFO] [stdout] 2684f98631353539279706416eed0cfe47d2ed82b6664dfd6d2e8ffd994958f2
[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=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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f72e71501e1bcf6c5c6bc4b78b4fb28c93bcfce7717fc08de69e4c0c779c1499
[INFO] running `Command { std: "docker" "start" "-a" "f72e71501e1bcf6c5c6bc4b78b4fb28c93bcfce7717fc08de69e4c0c779c1499", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling memx v0.1.20 (/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=7bb530a70c935e6a -C extra-filename=-7bb530a70c935e6a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-e67a322b869b9b50.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" "f72e71501e1bcf6c5c6bc4b78b4fb28c93bcfce7717fc08de69e4c0c779c1499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72e71501e1bcf6c5c6bc4b78b4fb28c93bcfce7717fc08de69e4c0c779c1499", kill_on_drop: false }`
[INFO] [stdout] f72e71501e1bcf6c5c6bc4b78b4fb28c93bcfce7717fc08de69e4c0c779c1499