[INFO] updating cached repository https://github.com/kernelmachine/numbers
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d7d054d353ac63b2bd003252ef10b4b68a95651
[INFO] testing kernelmachine/numbers against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernelmachine%2Fnumbers" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  95% (10189/10670)   
Checking out files:  96% (10244/10670)   
Checking out files:  97% (10350/10670)   
Checking out files:  98% (10457/10670)   
Checking out files:  99% (10564/10670)   
Checking out files: 100% (10670/10670)   
Checking out files: 100% (10670/10670), done.
[INFO] validating manifest of git repo https://github.com/kernelmachine/numbers on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kernelmachine/numbers
[INFO] finished tweaking git repo https://github.com/kernelmachine/numbers
[INFO] tweaked toml for git repo https://github.com/kernelmachine/numbers written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kernelmachine/numbers already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 80f9535150cfa40cfe4cbe7101d248ce61fef3d1fa166bb121d81b4b921d6bc2
[INFO] running `"docker" "start" "-a" "80f9535150cfa40cfe4cbe7101d248ce61fef3d1fa166bb121d81b4b921d6bc2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling zipWith v0.2.0
[INFO] [stderr]    Compiling blas-sys v0.7.1
[INFO] [stderr]    Compiling lapack-sys v0.12.1
[INFO] [stderr]    Compiling blas v0.20.0
[INFO] [stderr]    Compiling lapack v0.16.0
[INFO] [stderr]    Compiling numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(custom_derive)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `#[proc_macro_derive]`
[INFO] [stderr]  --> src/lib.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(custom_derive)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `clippy`
[INFO] [stderr]  --> src/lib.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![plugin(clippy)]
[INFO] [stderr]   |           ^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `numbers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "80f9535150cfa40cfe4cbe7101d248ce61fef3d1fa166bb121d81b4b921d6bc2"`
[INFO] running `"docker" "rm" "-f" "80f9535150cfa40cfe4cbe7101d248ce61fef3d1fa166bb121d81b4b921d6bc2"`
[INFO] [stdout] 80f9535150cfa40cfe4cbe7101d248ce61fef3d1fa166bb121d81b4b921d6bc2