[INFO] updating cached repository Rust-Mikrocontroller-Praktikum-2017/splines-render
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rust-Mikrocontroller-Praktikum-2017/splines-render
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 707a641d196df00d09609739d5deb228331ce292
[INFO] sha for GitHub repo Rust-Mikrocontroller-Praktikum-2017/splines-render: 707a641d196df00d09609739d5deb228331ce292
[INFO] validating manifest of Rust-Mikrocontroller-Praktikum-2017/splines-render on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Rust-Mikrocontroller-Praktikum-2017/splines-render on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Rust-Mikrocontroller-Praktikum-2017/splines-render
[INFO] finished frobbing Rust-Mikrocontroller-Praktikum-2017/splines-render
[INFO] frobbed toml for Rust-Mikrocontroller-Praktikum-2017/splines-render written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render/Cargo.toml
[INFO] started frobbing Rust-Mikrocontroller-Praktikum-2017/splines-render
[INFO] finished frobbing Rust-Mikrocontroller-Praktikum-2017/splines-render
[INFO] frobbed toml for Rust-Mikrocontroller-Praktikum-2017/splines-render written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render/Cargo.toml
[INFO] crate Rust-Mikrocontroller-Praktikum-2017/splines-render already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Rust-Mikrocontroller-Praktikum-2017/splines-render against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Rust-Mikrocontroller-Praktikum-2017/splines-render:/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=forbid" "-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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dba4d1bf698ef20d0a12a81d1d690200bf5b796e7eee7bb22c4a8cdbbf9a7a9f
[INFO] running `"docker" "start" "-a" "dba4d1bf698ef20d0a12a81d1d690200bf5b796e7eee7bb22c4a8cdbbf9a7a9f"`
[INFO] [stderr]     Checking renderer v0.1.0 (https://github.com/Rust-Mikrocontroller-Praktikum-2017/renderer?branch=testing#5e489e25)
[INFO] [stderr] error[E0463]: can't find crate for `collections`
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/renderer-cc2e39d87e65b38a/5e489e2/src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate collections;
[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 `renderer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dba4d1bf698ef20d0a12a81d1d690200bf5b796e7eee7bb22c4a8cdbbf9a7a9f"`
[INFO] running `"docker" "rm" "-f" "dba4d1bf698ef20d0a12a81d1d690200bf5b796e7eee7bb22c4a8cdbbf9a7a9f"`
[INFO] [stdout] dba4d1bf698ef20d0a12a81d1d690200bf5b796e7eee7bb22c4a8cdbbf9a7a9f