[INFO] updating cached repository https://github.com/hayatoito/icfp2017
[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] 4a702bc17c480a96cd8610cf1e3eccfa4925173a
[INFO] testing hayatoito/icfp2017 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayatoito%2Ficfp2017" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hayatoito/icfp2017 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/hayatoito/icfp2017
[INFO] finished tweaking git repo https://github.com/hayatoito/icfp2017
[INFO] tweaked toml for git repo https://github.com/hayatoito/icfp2017 written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/hayatoito/icfp2017 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 1b12ebe3bc5e8efc7879f2a2bf2d2e5524e6d0dece1ff25a47c8f2b641bc6773
[INFO] running `"docker" "start" "-a" "1b12ebe3bc5e8efc7879f2a2bf2d2e5524e6d0dece1ff25a47c8f2b641bc6773"`
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling loggerv v0.3.0
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling hyper v0.9.18
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling iron v0.4.0
[INFO] [stderr]    Compiling logger v0.3.0
[INFO] [stderr]    Compiling icfp2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(custom_attribute)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/punter/bot.rs:15:31
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn make(&self) -> Box<Bot> {
[INFO] [stderr]    |                               ^^^ help: use `dyn`: `dyn Bot`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/punter/arena.rs:97:19
[INFO] [stderr]    |
[INFO] [stderr] 97 |     bots: Vec<Box<Bot>>,
[INFO] [stderr]    |                   ^^^ help: use `dyn`: `dyn Bot`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/punter/arena.rs:102:60
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn new(map: Map, settings: Settings, bots: Vec<Box<Bot>>, listener: Option<Arc<Mutex<Listener>>>) -> Battle {
[INFO] [stderr]     |                                                            ^^^ help: use `dyn`: `dyn Bot`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/punter/arena.rs:122:22
[INFO] [stderr]     |
[INFO] [stderr] 122 |             bot: Box<Bot>,
[INFO] [stderr]     |                      ^^^ help: use `dyn`: `dyn Bot`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/punter/arena.rs:284:44
[INFO] [stderr]     |
[INFO] [stderr] 284 |                         .collect::<Vec<Box<Bot>>>();
[INFO] [stderr]     |                                            ^^^ help: use `dyn`: `dyn Bot`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/punter/arena.rs:359:23
[INFO] [stderr]     |
[INFO] [stderr] 359 |     let bots: Vec<Box<Bot>> = vec![
[INFO] [stderr]     |                       ^^^ help: use `dyn`: `dyn Bot`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `icfp2017`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1b12ebe3bc5e8efc7879f2a2bf2d2e5524e6d0dece1ff25a47c8f2b641bc6773"`
[INFO] running `"docker" "rm" "-f" "1b12ebe3bc5e8efc7879f2a2bf2d2e5524e6d0dece1ff25a47c8f2b641bc6773"`
[INFO] [stdout] 1b12ebe3bc5e8efc7879f2a2bf2d2e5524e6d0dece1ff25a47c8f2b641bc6773