[INFO] fetching crate mnist_read 1.0.1...
[INFO] checking mnist_read-1.0.1 against master#9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 for pr-124108
[INFO] extracting crate mnist_read 1.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mnist_read 1.0.1 on toolchain 9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mnist_read 1.0.1
[INFO] finished tweaking crates.io crate mnist_read 1.0.1
[INFO] tweaked toml for crates.io crate mnist_read 1.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding matrixmultiply v0.2.4 (latest: v0.3.8)
[INFO] [stderr]       Adding ndarray v0.13.1 (latest: v0.15.6)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dab375aefbb08b00abb71d8dcc02f8bff107850b30a02ea5af72f790d33e3613
[INFO] running `Command { std: "docker" "start" "-a" "dab375aefbb08b00abb71d8dcc02f8bff107850b30a02ea5af72f790d33e3613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab375aefbb08b00abb71d8dcc02f8bff107850b30a02ea5af72f790d33e3613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab375aefbb08b00abb71d8dcc02f8bff107850b30a02ea5af72f790d33e3613", kill_on_drop: false }`
[INFO] [stdout] dab375aefbb08b00abb71d8dcc02f8bff107850b30a02ea5af72f790d33e3613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d115441317403fed3285f5e888256fcc5bde43ddc9d5122d543ca8734db78b91
[INFO] running `Command { std: "docker" "start" "-a" "d115441317403fed3285f5e888256fcc5bde43ddc9d5122d543ca8734db78b91", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]     Checking mnist_read v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "d115441317403fed3285f5e888256fcc5bde43ddc9d5122d543ca8734db78b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d115441317403fed3285f5e888256fcc5bde43ddc9d5122d543ca8734db78b91", kill_on_drop: false }`
[INFO] [stdout] d115441317403fed3285f5e888256fcc5bde43ddc9d5122d543ca8734db78b91