[INFO] updating cached repository https://github.com/globin/acab-pattern-gen
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 0fa6ff663b77184c65971ec5ee1a4aae27e695a7
[INFO] checking globin/acab-pattern-gen against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglobin%2Facab-pattern-gen" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/globin/acab-pattern-gen on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/globin/acab-pattern-gen
[INFO] finished tweaking git repo https://github.com/globin/acab-pattern-gen
[INFO] tweaked toml for git repo https://github.com/globin/acab-pattern-gen written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/globin/acab-pattern-gen already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03c71ba4303c1e4ea85d7df609be5c7f62b98caba198375d5098382e9101654c
[INFO] running `"docker" "start" "-a" "03c71ba4303c1e4ea85d7df609be5c7f62b98caba198375d5098382e9101654c"`
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking acab-pattern-gen v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use core::array::FixedSizeArray;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]    --> src/main.rs:239:23
[INFO] [stderr]     |
[INFO] [stderr] 239 |         |inner| inner.as_slice().to_owned()).collect();
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]    --> src/main.rs:241:23
[INFO] [stderr]     |
[INFO] [stderr] 241 |         |inner| inner.as_slice().to_owned()).collect();
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]    --> src/main.rs:243:23
[INFO] [stderr]     |
[INFO] [stderr] 243 |         |inner| inner.as_slice().to_owned()).collect();
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]    --> src/main.rs:245:23
[INFO] [stderr]     |
[INFO] [stderr] 245 |         |inner| inner.as_slice().to_owned()).collect();
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> src/output.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 ImageRgb8(imgbuf).save(fout, image::PNG).unwrap();
[INFO] [stderr]    |                                   ^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `acab-pattern-gen`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use core::array::FixedSizeArray;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]    --> src/main.rs:239:23
[INFO] [stderr]     |
[INFO] [stderr] 239 |         |inner| inner.as_slice().to_owned()).collect();
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]    --> src/main.rs:241:23
[INFO] [stderr]     |
[INFO] [stderr] 241 |         |inner| inner.as_slice().to_owned()).collect();
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]    --> src/main.rs:243:23
[INFO] [stderr]     |
[INFO] [stderr] 243 |         |inner| inner.as_slice().to_owned()).collect();
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'fixed_size_array'
[INFO] [stderr]    --> src/main.rs:245:23
[INFO] [stderr]     |
[INFO] [stderr] 245 |         |inner| inner.as_slice().to_owned()).collect();
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27778
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> src/output.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 ImageRgb8(imgbuf).save(fout, image::PNG).unwrap();
[INFO] [stderr]    |                                   ^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `acab-pattern-gen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "03c71ba4303c1e4ea85d7df609be5c7f62b98caba198375d5098382e9101654c"`
[INFO] running `"docker" "rm" "-f" "03c71ba4303c1e4ea85d7df609be5c7f62b98caba198375d5098382e9101654c"`
[INFO] [stdout] 03c71ba4303c1e4ea85d7df609be5c7f62b98caba198375d5098382e9101654c