[INFO] fetching crate nifti 0.14.0...
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] crate nifti 0.14.0 is already in cache
[INFO] checking nifti-0.14.0 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] extracting crate nifti 0.14.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nifti 0.14.0 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 nifti 0.14.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nifti 0.14.0
[INFO] tweaked toml for crates.io crate nifti 0.14.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate nifti 0.14.0 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 byteordered v0.5.0
[INFO] [stderr]   Downloaded libc v0.2.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4348aa3ffaeb2c8e5a815f025662e5f5c8d92bff2e42212be2b76deba5c4ccc4
[INFO] running `Command { std: "docker" "start" "-a" "4348aa3ffaeb2c8e5a815f025662e5f5c8d92bff2e42212be2b76deba5c4ccc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4348aa3ffaeb2c8e5a815f025662e5f5c8d92bff2e42212be2b76deba5c4ccc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4348aa3ffaeb2c8e5a815f025662e5f5c8d92bff2e42212be2b76deba5c4ccc4", kill_on_drop: false }`
[INFO] [stdout] 4348aa3ffaeb2c8e5a815f025662e5f5c8d92bff2e42212be2b76deba5c4ccc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a9f90001d09ca70876bdaae725c8cad2179f211614f34589d85948c8cbe02274
[INFO] running `Command { std: "docker" "start" "-a" "a9f90001d09ca70876bdaae725c8cad2179f211614f34589d85948c8cbe02274", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking safe-transmute v0.11.2
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking byteordered v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking nifti v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "a9f90001d09ca70876bdaae725c8cad2179f211614f34589d85948c8cbe02274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f90001d09ca70876bdaae725c8cad2179f211614f34589d85948c8cbe02274", kill_on_drop: false }`
[INFO] [stdout] a9f90001d09ca70876bdaae725c8cad2179f211614f34589d85948c8cbe02274