[INFO] updating cached repository zsiegel/rustgrep [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/zsiegel/rustgrep [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/zsiegel/rustgrep" "work/ex/beta-1.37-6/sources/1.36.0/gh/zsiegel/rustgrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/zsiegel/rustgrep'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zsiegel/rustgrep" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zsiegel/rustgrep"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zsiegel/rustgrep'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fbcc0642347c1d92a3d2b449e59ebc7d358721c4 [INFO] sha for GitHub repo zsiegel/rustgrep: fbcc0642347c1d92a3d2b449e59ebc7d358721c4 [INFO] validating manifest of zsiegel/rustgrep 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 zsiegel/rustgrep 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 zsiegel/rustgrep [INFO] finished frobbing zsiegel/rustgrep [INFO] frobbed toml for zsiegel/rustgrep written to work/ex/beta-1.37-6/sources/1.36.0/gh/zsiegel/rustgrep/Cargo.toml [INFO] started frobbing zsiegel/rustgrep [INFO] finished frobbing zsiegel/rustgrep [INFO] frobbed toml for zsiegel/rustgrep written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zsiegel/rustgrep/Cargo.toml [INFO] crate zsiegel/rustgrep already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing zsiegel/rustgrep against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/zsiegel/rustgrep:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] cbfcd2ebbebccb94460a60b636c200e56f917479e6c9a85d0a9e6abb50f54080 [INFO] running `"docker" "start" "-a" "cbfcd2ebbebccb94460a60b636c200e56f917479e6c9a85d0a9e6abb50f54080"` [INFO] [stderr] Compiling rustgrep v0.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left': superseded by `trim_start` [INFO] [stderr] --> src/lib.rs:63:47 [INFO] [stderr] | [INFO] [stderr] 63 | contents: content.trim_left().to_string(), [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `"docker" "inspect" "cbfcd2ebbebccb94460a60b636c200e56f917479e6c9a85d0a9e6abb50f54080"` [INFO] running `"docker" "rm" "-f" "cbfcd2ebbebccb94460a60b636c200e56f917479e6c9a85d0a9e6abb50f54080"` [INFO] [stdout] cbfcd2ebbebccb94460a60b636c200e56f917479e6c9a85d0a9e6abb50f54080 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/zsiegel/rustgrep:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] f2634b3c0c9533e2ed51cf24892297e9944e823bfe0dc646ef04346d8173a66b [INFO] running `"docker" "start" "-a" "f2634b3c0c9533e2ed51cf24892297e9944e823bfe0dc646ef04346d8173a66b"` [INFO] [stderr] Compiling rustgrep v0.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left': superseded by `trim_start` [INFO] [stderr] --> src/lib.rs:63:47 [INFO] [stderr] | [INFO] [stderr] 63 | contents: content.trim_left().to_string(), [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/lib.rs:88:27 [INFO] [stderr] | [INFO] [stderr] 88 | search(query, contents) [INFO] [stderr] | ^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut std::io::BufReader` [INFO] [stderr] found type `&str` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `rustgrep`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f2634b3c0c9533e2ed51cf24892297e9944e823bfe0dc646ef04346d8173a66b"` [INFO] running `"docker" "rm" "-f" "f2634b3c0c9533e2ed51cf24892297e9944e823bfe0dc646ef04346d8173a66b"` [INFO] [stdout] f2634b3c0c9533e2ed51cf24892297e9944e823bfe0dc646ef04346d8173a66b