[INFO] fetching crate neural_network 0.1.3...
[INFO] checking neural_network-0.1.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate neural_network 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate neural_network 0.1.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neural_network 0.1.3
[INFO] finished tweaking crates.io crate neural_network 0.1.3
[INFO] tweaked toml for crates.io crate neural_network 0.1.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f4717eef0eb55a181902004b2bedf5505972c902c4d9d43a11575ebdfb0dc6
[INFO] running `Command { std: "docker" "start" "-a" "38f4717eef0eb55a181902004b2bedf5505972c902c4d9d43a11575ebdfb0dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f4717eef0eb55a181902004b2bedf5505972c902c4d9d43a11575ebdfb0dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f4717eef0eb55a181902004b2bedf5505972c902c4d9d43a11575ebdfb0dc6", kill_on_drop: false }`
[INFO] [stdout] 38f4717eef0eb55a181902004b2bedf5505972c902c4d9d43a11575ebdfb0dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca07f283e764b391d16373baa6b30c7fcfc558500ff4059a3745e01127e2fa75
[INFO] running `Command { std: "docker" "start" "-a" "ca07f283e764b391d16373baa6b30c7fcfc558500ff4059a3745e01127e2fa75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking fast_io v1.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking neural_network v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "ca07f283e764b391d16373baa6b30c7fcfc558500ff4059a3745e01127e2fa75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca07f283e764b391d16373baa6b30c7fcfc558500ff4059a3745e01127e2fa75", kill_on_drop: false }`
[INFO] [stdout] ca07f283e764b391d16373baa6b30c7fcfc558500ff4059a3745e01127e2fa75