[INFO] cloning repository https://github.com/jimblandy/advent-of-code-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimblandy/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fadvent-of-code-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fadvent-of-code-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2a28b03cd71055ea9aabdb128c348ed1bd144f3d [INFO] testing jimblandy/advent-of-code-2018 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fadvent-of-code-2018" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jimblandy/advent-of-code-2018 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jimblandy/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/jimblandy/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/jimblandy/advent-of-code-2018 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/jimblandy/advent-of-code-2018 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndarray v0.12.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01a3880230d94b001c9e4a6b19dc9573a46012583290e4796f78a5bc6c0696a8 [INFO] running `Command { std: "docker" "start" "-a" "01a3880230d94b001c9e4a6b19dc9573a46012583290e4796f78a5bc6c0696a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01a3880230d94b001c9e4a6b19dc9573a46012583290e4796f78a5bc6c0696a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01a3880230d94b001c9e4a6b19dc9573a46012583290e4796f78a5bc6c0696a8", kill_on_drop: false }` [INFO] [stdout] 01a3880230d94b001c9e4a6b19dc9573a46012583290e4796f78a5bc6c0696a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91359f14683f5f18d84c298a010597675bcafcfadfcec3ffd80d10838caa9d60 [INFO] running `Command { std: "docker" "start" "-a" "91359f14683f5f18d84c298a010597675bcafcfadfcec3ffd80d10838caa9d60", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `range_is_empty` has been stable since 1.47.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(range_is_empty)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `euclidean_division` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day-09.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(euclidean_division)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/bin/day-23b.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | (a.0 * b.0 + a.1 * b.1 + a.2 * b.2) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 29 - (a.0 * b.0 + a.1 * b.1 + a.2 * b.2) [INFO] [stdout] 29 + a.0 * b.0 + a.1 * b.1 + a.2 * b.2 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `copy_within` has been stable since 1.37.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day-12.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(copy_within)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day-17.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(range_contains)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day-20.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `euclidean_division` has been stable since 1.38.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day-23b.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(euclidean_division)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/day-03a.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | type Err = Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/day-03a.rs:46:29 [INFO] [stdout] | [INFO] [stdout] 46 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `meta_sum` [INFO] [stdout] --> src/bin/day-08.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | meta_sum: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `iter_unfold` [INFO] [stdout] --> src/bin/day-22.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iter_unfold)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `advent-of-code-2018` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `range_is_empty` has been stable since 1.47.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day-24.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(range_is_empty)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "91359f14683f5f18d84c298a010597675bcafcfadfcec3ffd80d10838caa9d60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91359f14683f5f18d84c298a010597675bcafcfadfcec3ffd80d10838caa9d60", kill_on_drop: false }` [INFO] [stdout] 91359f14683f5f18d84c298a010597675bcafcfadfcec3ffd80d10838caa9d60