[INFO] crate rustc-serialize 0.3.24 is already in cache
[INFO] extracting crate rustc-serialize 0.3.24 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/rustc-serialize/0.3.24
[INFO] extracting crate rustc-serialize 0.3.24 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/rustc-serialize/0.3.24
[INFO] validating manifest of rustc-serialize-0.3.24 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustc-serialize-0.3.24 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustc-serialize-0.3.24
[INFO] finished frobbing rustc-serialize-0.3.24
[INFO] frobbed toml for rustc-serialize-0.3.24 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/rustc-serialize/0.3.24/Cargo.toml
[INFO] started frobbing rustc-serialize-0.3.24
[INFO] finished frobbing rustc-serialize-0.3.24
[INFO] frobbed toml for rustc-serialize-0.3.24 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/rustc-serialize/0.3.24/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rustc-serialize-0.3.24 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-5/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/rustc-serialize/0.3.24:/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c061caef36911d1d4307df87bb91eca7063592b3c5fbc48e60c6c4c471aa2948
[INFO] running `"docker" "start" "-a" "c061caef36911d1d4307df87bb91eca7063592b3c5fbc48e60c6c4c471aa2948"`
[INFO] [stderr]     Checking rustc-serialize v0.3.24 (/opt/crater/workdir)
[INFO] [stderr] error: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]     --> src/json.rs:3513:34
[INFO] [stderr]      |
[INFO] [stderr] 3513 |             let trimmed = source.trim_left_matches(' ');
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]     --> src/lib.rs:43:24
[INFO] [stderr]      |
[INFO] [stderr] 43   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]      |                        ^^^^^^^^
[INFO] [stderr]      = note: #[deny(deprecated)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustc-serialize`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c061caef36911d1d4307df87bb91eca7063592b3c5fbc48e60c6c4c471aa2948"`
[INFO] running `"docker" "rm" "-f" "c061caef36911d1d4307df87bb91eca7063592b3c5fbc48e60c6c4c471aa2948"`
[INFO] [stdout] c061caef36911d1d4307df87bb91eca7063592b3c5fbc48e60c6c4c471aa2948