[INFO] fetching crate primecount 0.1.2...
[INFO] checking primecount-0.1.2 against master#1be5c8f90912c446ecbdc405cbc4a89f9acd20fd for pr-93394
[INFO] extracting crate primecount 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate primecount 0.1.2 on toolchain 1be5c8f90912c446ecbdc405cbc4a89f9acd20fd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate primecount 0.1.2
[INFO] finished tweaking crates.io crate primecount 0.1.2
[INFO] tweaked toml for crates.io crate primecount 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e46117ed379438f92034cce60b8ecd7db9006e1441847afec1764a40997bb4e7
[INFO] running `Command { std: "docker" "start" "-a" "e46117ed379438f92034cce60b8ecd7db9006e1441847afec1764a40997bb4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e46117ed379438f92034cce60b8ecd7db9006e1441847afec1764a40997bb4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46117ed379438f92034cce60b8ecd7db9006e1441847afec1764a40997bb4e7", kill_on_drop: false }`
[INFO] [stdout] e46117ed379438f92034cce60b8ecd7db9006e1441847afec1764a40997bb4e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0c15931a3c86ceacda62edecd9810acc37aa1d7c04f302de8825b78924a180d
[INFO] running `Command { std: "docker" "start" "-a" "f0c15931a3c86ceacda62edecd9810acc37aa1d7c04f302de8825b78924a180d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling primecount v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "f0c15931a3c86ceacda62edecd9810acc37aa1d7c04f302de8825b78924a180d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c15931a3c86ceacda62edecd9810acc37aa1d7c04f302de8825b78924a180d", kill_on_drop: false }`
[INFO] [stdout] f0c15931a3c86ceacda62edecd9810acc37aa1d7c04f302de8825b78924a180d