[INFO] cloning repository https://github.com/william42/advent [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/william42/advent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliam42%2Fadvent", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliam42%2Fadvent'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] afd88192741ee5c2205ca0c2053592907134660c [INFO] checking william42/advent against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliam42%2Fadvent" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/william42/advent on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/william42/advent [INFO] finished tweaking git repo https://github.com/william42/advent [INFO] tweaked toml for git repo https://github.com/william42/advent written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/william42/advent already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking william42/advent against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliam42%2Fadvent" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/william42/advent on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/william42/advent [INFO] finished tweaking git repo https://github.com/william42/advent [INFO] tweaked toml for git repo https://github.com/william42/advent written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/william42/advent already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking william42/advent against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliam42%2Fadvent" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/william42/advent on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/william42/advent [INFO] finished tweaking git repo https://github.com/william42/advent [INFO] tweaked toml for git repo https://github.com/william42/advent written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/william42/advent already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a084e7606444981818a3e7f13f772fc94e6fb198b8059762788347844aadbaf [INFO] running `Command { std: "docker" "start" "-a" "1a084e7606444981818a3e7f13f772fc94e6fb198b8059762788347844aadbaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a084e7606444981818a3e7f13f772fc94e6fb198b8059762788347844aadbaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a084e7606444981818a3e7f13f772fc94e6fb198b8059762788347844aadbaf", kill_on_drop: false }` [INFO] [stdout] 1a084e7606444981818a3e7f13f772fc94e6fb198b8059762788347844aadbaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e9e8bfbb240239d61b83a4b15d13f680713b33757b3c43a504597614c04c38c [INFO] running `Command { std: "docker" "start" "-a" "2e9e8bfbb240239d61b83a4b15d13f680713b33757b3c43a504597614c04c38c", kill_on_drop: false }` [INFO] [stderr] Checking advent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `process_frequency` is never used [INFO] [stdout] --> src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn process_frequency(line: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day1a` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn day1a() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day1b` is never used [INFO] [stdout] --> src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn day1b() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day2a` is never used [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn day2a() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day2b` is never used [INFO] [stdout] --> src/main.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn day2b() -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CRect` is never constructed [INFO] [stdout] --> src/main.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | struct CRect { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_frequency` is never used [INFO] [stdout] --> src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn process_frequency(line: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day3line` is never used [INFO] [stdout] --> src/main.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn day3line(line: String) -> CRect { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day3a` is never used [INFO] [stdout] --> src/main.rs:119:4 [INFO] [stdout] | [INFO] [stdout] 119 | fn day3a() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day3b` is never used [INFO] [stdout] --> src/main.rs:145:4 [INFO] [stdout] | [INFO] [stdout] 145 | fn day3b() -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day1a` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn day1a() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `polymer` is never used [INFO] [stdout] --> src/main.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn polymer(r: &mut I, prev: Option) -> Option [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day1b` is never used [INFO] [stdout] --> src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn day1b() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day5a` is never used [INFO] [stdout] --> src/main.rs:195:4 [INFO] [stdout] | [INFO] [stdout] 195 | fn day5a() -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day2a` is never used [INFO] [stdout] --> src/main.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn day2a() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `poly_without` is never used [INFO] [stdout] --> src/main.rs:206:4 [INFO] [stdout] | [INFO] [stdout] 206 | fn poly_without(i: u8) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day2b` is never used [INFO] [stdout] --> src/main.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn day2b() -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day5b` is never used [INFO] [stdout] --> src/main.rs:223:4 [INFO] [stdout] | [INFO] [stdout] 223 | fn day5b() -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CRect` is never constructed [INFO] [stdout] --> src/main.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | struct CRect { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day8a` is never used [INFO] [stdout] --> src/main.rs:249:4 [INFO] [stdout] | [INFO] [stdout] 249 | fn day8a() -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day3line` is never used [INFO] [stdout] --> src/main.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn day3line(line: String) -> CRect { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day3a` is never used [INFO] [stdout] --> src/main.rs:119:4 [INFO] [stdout] | [INFO] [stdout] 119 | fn day3a() -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day3b` is never used [INFO] [stdout] --> src/main.rs:145:4 [INFO] [stdout] | [INFO] [stdout] 145 | fn day3b() -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `polymer` is never used [INFO] [stdout] --> src/main.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn polymer(r: &mut I, prev: Option) -> Option [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day5a` is never used [INFO] [stdout] --> src/main.rs:195:4 [INFO] [stdout] | [INFO] [stdout] 195 | fn day5a() -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `poly_without` is never used [INFO] [stdout] --> src/main.rs:206:4 [INFO] [stdout] | [INFO] [stdout] 206 | fn poly_without(i: u8) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day5b` is never used [INFO] [stdout] --> src/main.rs:223:4 [INFO] [stdout] | [INFO] [stdout] 223 | fn day5b() -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day8a` is never used [INFO] [stdout] --> src/main.rs:249:4 [INFO] [stdout] | [INFO] [stdout] 249 | fn day8a() -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "2e9e8bfbb240239d61b83a4b15d13f680713b33757b3c43a504597614c04c38c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e9e8bfbb240239d61b83a4b15d13f680713b33757b3c43a504597614c04c38c", kill_on_drop: false }` [INFO] [stdout] 2e9e8bfbb240239d61b83a4b15d13f680713b33757b3c43a504597614c04c38c