[INFO] cloning repository https://github.com/arturaz/advent-of-code-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arturaz/advent-of-code-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturaz%2Fadvent-of-code-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturaz%2Fadvent-of-code-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 350b5aa73a72792df3d2dc1b9dd1b8984134e908
[INFO] checking arturaz/advent-of-code-rust against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farturaz%2Fadvent-of-code-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arturaz/advent-of-code-rust on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arturaz/advent-of-code-rust
[INFO] finished tweaking git repo https://github.com/arturaz/advent-of-code-rust
[INFO] tweaked toml for git repo https://github.com/arturaz/advent-of-code-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/arturaz/advent-of-code-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e47776d7d014d92d74a8bdff454a015c4bfcfbf3b291f3f2e99aa0928b076a41
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e47776d7d014d92d74a8bdff454a015c4bfcfbf3b291f3f2e99aa0928b076a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47776d7d014d92d74a8bdff454a015c4bfcfbf3b291f3f2e99aa0928b076a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47776d7d014d92d74a8bdff454a015c4bfcfbf3b291f3f2e99aa0928b076a41", kill_on_drop: false }`
[INFO] [stdout] e47776d7d014d92d74a8bdff454a015c4bfcfbf3b291f3f2e99aa0928b076a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56299e52763c0f5b9031f93a3192ec08a748415a8ff771d3d2357abaa8725571
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "56299e52763c0f5b9031f93a3192ec08a748415a8ff771d3d2357abaa8725571", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking arraymap v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'array_map'
[INFO] [stdout]   --> src/program7.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let amplifiers = phase_settings.map(|phase_setting| Amplifier::new(program, *phase_setting));
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #75243 <https://github.com/rust-lang/rust/issues/75243> for more information
[INFO] [stdout]    = help: add `#![feature(array_map)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `u8` cannot be dereferenced
[INFO] [stdout]   --> src/program7.rs:80:85
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let amplifiers = phase_settings.map(|phase_setting| Amplifier::new(program, *phase_setting));
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arraymap::ArrayMap`
[INFO] [stdout]  --> src/program7.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use arraymap::ArrayMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0614, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0614`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0658]: use of unstable library feature 'array_map'
[INFO] [stdout]   --> src/program7.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let amplifiers = phase_settings.map(|phase_setting| Amplifier::new(program, *phase_setting));
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #75243 <https://github.com/rust-lang/rust/issues/75243> for more information
[INFO] [stdout]    = help: add `#![feature(array_map)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `u8` cannot be dereferenced
[INFO] [stdout]   --> src/program7.rs:80:85
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let amplifiers = phase_settings.map(|phase_setting| Amplifier::new(program, *phase_setting));
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arraymap::ArrayMap`
[INFO] [stdout]  --> src/program7.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use arraymap::ArrayMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0614, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0614`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "56299e52763c0f5b9031f93a3192ec08a748415a8ff771d3d2357abaa8725571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56299e52763c0f5b9031f93a3192ec08a748415a8ff771d3d2357abaa8725571", kill_on_drop: false }`
[INFO] [stdout] 56299e52763c0f5b9031f93a3192ec08a748415a8ff771d3d2357abaa8725571