[INFO] fetching crate ndarray 0.15.6...
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] crate ndarray 0.15.6 is already in cache
[INFO] checking ndarray-0.15.6 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] extracting crate ndarray 0.15.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ndarray 0.15.6 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ndarray 0.15.6
[INFO] finished tweaking crates.io crate ndarray 0.15.6
[INFO] tweaked toml for crates.io crate ndarray 0.15.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ndarray 0.15.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmac v0.2.1
[INFO] [stderr]   Downloaded thread-tree v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd60d257888b13ee06e06217529aa7bb595b9fc3bf5c22b5bb959b1c1f1defb
[INFO] running `Command { std: "docker" "start" "-a" "1bd60d257888b13ee06e06217529aa7bb595b9fc3bf5c22b5bb959b1c1f1defb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd60d257888b13ee06e06217529aa7bb595b9fc3bf5c22b5bb959b1c1f1defb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd60d257888b13ee06e06217529aa7bb595b9fc3bf5c22b5bb959b1c1f1defb", kill_on_drop: false }`
[INFO] [stdout] 1bd60d257888b13ee06e06217529aa7bb595b9fc3bf5c22b5bb959b1c1f1defb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2416e633b2010716c53f09d511267b4d9810950779bb17a97ad325eaf4425a6e
[INFO] running `Command { std: "docker" "start" "-a" "2416e633b2010716c53f09d511267b4d9810950779bb17a97ad325eaf4425a6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking defmac v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking ndarray v0.15.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.12s
[INFO] running `Command { std: "docker" "inspect" "2416e633b2010716c53f09d511267b4d9810950779bb17a97ad325eaf4425a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2416e633b2010716c53f09d511267b4d9810950779bb17a97ad325eaf4425a6e", kill_on_drop: false }`
[INFO] [stdout] 2416e633b2010716c53f09d511267b4d9810950779bb17a97ad325eaf4425a6e