[INFO] updating cached repository shaipe/rust-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shaipe/rust-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shaipe/rust-tutorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/shaipe/rust-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shaipe/rust-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shaipe/rust-tutorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shaipe/rust-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shaipe/rust-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a2db77c52b21916d66a77b785b73c48d36ee2d0
[INFO] sha for GitHub repo shaipe/rust-tutorial: 7a2db77c52b21916d66a77b785b73c48d36ee2d0
[INFO] validating manifest of shaipe/rust-tutorial on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shaipe/rust-tutorial on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shaipe/rust-tutorial
[INFO] finished frobbing shaipe/rust-tutorial
[INFO] frobbed toml for shaipe/rust-tutorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/shaipe/rust-tutorial/Cargo.toml
[INFO] started frobbing shaipe/rust-tutorial
[INFO] finished frobbing shaipe/rust-tutorial
[INFO] frobbed toml for shaipe/rust-tutorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shaipe/rust-tutorial/Cargo.toml
[INFO] crate shaipe/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shaipe/rust-tutorial/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing shaipe/rust-tutorial against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shaipe/rust-tutorial:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] efd8d77daf710dcf13018d5d03dc4caf16a88bbdc7875c6947ddc43404d4a576
[INFO] running `"docker" "start" "-a" "efd8d77daf710dcf13018d5d03dc4caf16a88bbdc7875c6947ddc43404d4a576"`
[INFO] [stderr]    Compiling nickel v0.11.0
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `hyper::header::Location`
[INFO] [stderr]   --> src/main.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | use hyper::header::{Location,};
[INFO] [stderr]    |                     ^^^^^^^^ no `Location` in `header`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `tutorial`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "efd8d77daf710dcf13018d5d03dc4caf16a88bbdc7875c6947ddc43404d4a576"`
[INFO] running `"docker" "rm" "-f" "efd8d77daf710dcf13018d5d03dc4caf16a88bbdc7875c6947ddc43404d4a576"`
[INFO] [stdout] efd8d77daf710dcf13018d5d03dc4caf16a88bbdc7875c6947ddc43404d4a576