[INFO] fetching crate trk-io 0.13.0...
[INFO] extracting crate trk-io 0.13.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/trk-io/0.13.0
[INFO] extracting crate trk-io 0.13.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/trk-io/0.13.0
[INFO] validating manifest of trk-io-0.13.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of trk-io-0.13.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing trk-io-0.13.0
[INFO] finished frobbing trk-io-0.13.0
[INFO] frobbed toml for trk-io-0.13.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/trk-io/0.13.0/Cargo.toml
[INFO] started frobbing trk-io-0.13.0
[INFO] finished frobbing trk-io-0.13.0
[INFO] frobbed toml for trk-io-0.13.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/trk-io/0.13.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nifti v0.8.0
[INFO] [stderr]   Downloaded safe-transmute v0.11.0-rc.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing trk-io-0.13.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/trk-io/0.13.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 23fee7a42c34d4423ee481b4e47ff4c58f654c469bd3d05ea25e93295374b414
[INFO] running `"docker" "start" "-a" "23fee7a42c34d4423ee481b4e47ff4c58f654c469bd3d05ea25e93295374b414"`
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling trk-io v0.13.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.32s
[INFO] running `"docker" "inspect" "23fee7a42c34d4423ee481b4e47ff4c58f654c469bd3d05ea25e93295374b414"`
[INFO] running `"docker" "rm" "-f" "23fee7a42c34d4423ee481b4e47ff4c58f654c469bd3d05ea25e93295374b414"`
[INFO] [stdout] 23fee7a42c34d4423ee481b4e47ff4c58f654c469bd3d05ea25e93295374b414
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/trk-io/0.13.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7353481dcedc2639ceb219292aa46f19de163b84d6a9f6df5a2a27ca02c699a8
[INFO] running `"docker" "start" "-a" "7353481dcedc2639ceb219292aa46f19de163b84d6a9f6df5a2a27ca02c699a8"`
[INFO] [stderr]    Compiling rand_pcg v0.2.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling trk-io v0.13.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `nifti`
[INFO] [stderr]  --> examples/nifti_header.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate nifti;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `trk-io`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7353481dcedc2639ceb219292aa46f19de163b84d6a9f6df5a2a27ca02c699a8"`
[INFO] running `"docker" "rm" "-f" "7353481dcedc2639ceb219292aa46f19de163b84d6a9f6df5a2a27ca02c699a8"`
[INFO] [stdout] 7353481dcedc2639ceb219292aa46f19de163b84d6a9f6df5a2a27ca02c699a8