[INFO] fetching crate memx 0.1.18...
[INFO] testing memx-0.1.18 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate memx 0.1.18 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate memx 0.1.18 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-72/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-72/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e3d6f5a888a452801559d6d637abffcb8d42cc77f14d9dc5a053291f9dd6ad7
[INFO] running `Command { std: "docker" "start" "-a" "1e3d6f5a888a452801559d6d637abffcb8d42cc77f14d9dc5a053291f9dd6ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e3d6f5a888a452801559d6d637abffcb8d42cc77f14d9dc5a053291f9dd6ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3d6f5a888a452801559d6d637abffcb8d42cc77f14d9dc5a053291f9dd6ad7", kill_on_drop: false }`
[INFO] [stdout] 1e3d6f5a888a452801559d6d637abffcb8d42cc77f14d9dc5a053291f9dd6ad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56cbeaf06df982ee15bf911ee56498a950173e613361c28486275c7769194c1b
[INFO] running `Command { std: "docker" "start" "-a" "56cbeaf06df982ee15bf911ee56498a950173e613361c28486275c7769194c1b", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "56cbeaf06df982ee15bf911ee56498a950173e613361c28486275c7769194c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56cbeaf06df982ee15bf911ee56498a950173e613361c28486275c7769194c1b", kill_on_drop: false }`
[INFO] [stdout] 56cbeaf06df982ee15bf911ee56498a950173e613361c28486275c7769194c1b