[INFO] fetching crate numopt 0.2.1...
[INFO] checking numopt-0.2.1 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] extracting crate numopt 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] checking numopt-0.2.1 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] extracting crate numopt 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] checking numopt-0.2.1 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] extracting crate numopt 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] checking numopt-0.2.1 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] extracting crate numopt 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] checking numopt-0.2.1 against try#da0275e101cdc809ce291ed8b64d6f82c6b65467 for pr-134276
[INFO] extracting crate numopt 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate numopt 0.2.1 on toolchain da0275e101cdc809ce291ed8b64d6f82c6b65467
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate numopt 0.2.1
[INFO] finished tweaking crates.io crate numopt 0.2.1
[INFO] tweaked toml for crates.io crate numopt 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.3.2 (available: v0.5.1)
[INFO] [stderr]       Adding ndarray v0.13.1 (available: v0.16.1)
[INFO] [stderr]       Adding serial_test v0.4.0 (available: v3.2.0)
[INFO] [stderr]       Adding simple-error v0.2.3 (available: v0.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40478bb2c2757a471bef878d2555f5f55c5076b4058b86ffa2550559c69bd6f9
[INFO] running `Command { std: "docker" "start" "-a" "40478bb2c2757a471bef878d2555f5f55c5076b4058b86ffa2550559c69bd6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40478bb2c2757a471bef878d2555f5f55c5076b4058b86ffa2550559c69bd6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40478bb2c2757a471bef878d2555f5f55c5076b4058b86ffa2550559c69bd6f9", kill_on_drop: false }`
[INFO] [stdout] 40478bb2c2757a471bef878d2555f5f55c5076b4058b86ffa2550559c69bd6f9


ExecutionFailed(ExitStatus(unix_wait_status(256)))