[INFO] crate rtdlib 1.4.0 is already in cache
[INFO] checking rtdlib-1.4.0 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate rtdlib 1.4.0 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate rtdlib 1.4.0 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rtdlib 1.4.0
[INFO] finished tweaking crates.io crate rtdlib 1.4.0
[INFO] tweaked toml for crates.io crate rtdlib 1.4.0 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cfa746687e4d30bc0b1be4626d0817dfe7e8f2dde126fbc5fafc665e560cadc9
[INFO] running `"docker" "start" "-a" "cfa746687e4d30bc0b1be4626d0817dfe7e8f2dde126fbc5fafc665e560cadc9"`
[INFO] [stderr]     Checking rtdlib v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not compile `rtdlib`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name rtdlib src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=25ba574166fee191 -C extra-filename=-25ba574166fee191 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-e2e436d4fc2a8f2e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d83249d3805313c1.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-fdb25c9a87483441.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1a0d71af9f1c11fd.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:36:30
[INFO] [stderr]    |
[INFO] [stderr] 36 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cfa746687e4d30bc0b1be4626d0817dfe7e8f2dde126fbc5fafc665e560cadc9"`
[INFO] running `"docker" "rm" "-f" "cfa746687e4d30bc0b1be4626d0817dfe7e8f2dde126fbc5fafc665e560cadc9"`
[INFO] [stdout] cfa746687e4d30bc0b1be4626d0817dfe7e8f2dde126fbc5fafc665e560cadc9