[INFO] cloning repository https://github.com/bryanburgers/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/bryanburgers/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4727687235a314690ff1c74c365c2b2b51e90630 [INFO] checking bryanburgers/advent-of-code-2018 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2018" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bryanburgers/advent-of-code-2018 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/bryanburgers/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/bryanburgers/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/bryanburgers/advent-of-code-2018 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bryanburgers/advent-of-code-2018 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] Downloading crates ... [INFO] [stderr] Downloaded memchr v2.1.1 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4280f4a614b30fb849d5c10f8e4d5e062f952fa5b86627c20710364eea7212cc [INFO] running `Command { std: "docker" "start" "-a" "4280f4a614b30fb849d5c10f8e4d5e062f952fa5b86627c20710364eea7212cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4280f4a614b30fb849d5c10f8e4d5e062f952fa5b86627c20710364eea7212cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4280f4a614b30fb849d5c10f8e4d5e062f952fa5b86627c20710364eea7212cc", kill_on_drop: false }` [INFO] [stdout] 4280f4a614b30fb849d5c10f8e4d5e062f952fa5b86627c20710364eea7212cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea3b009dade8ecd5ad8b5423a5466c5cb888308452ab8c698d8feb79c2078669 [INFO] running `Command { std: "docker" "start" "-a" "ea3b009dade8ecd5ad8b5423a5466c5cb888308452ab8c698d8feb79c2078669", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02) [INFO] [stderr] Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05) [INFO] [stderr] Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06) [INFO] [stderr] Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03) [INFO] [stderr] Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08) [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stdout] warning: function `print_state` is never used [INFO] [stdout] --> day-05/src/main.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn print_state(stack: &VecDeque, current: u8, read: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_edge` [INFO] [stdout] --> day-06/src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | let is_edge = is_edge || x == min || x == max; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_edge` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_state` is never used [INFO] [stdout] --> day-05/src/main.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn print_state(stack: &VecDeque, current: u8, read: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01) [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> day-06/src/main.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | .filter(|(key, val)| !infinite.contains(key)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> day-06/src/main.rs:47:25 [INFO] [stdout] | [INFO] [stdout] 47 | items.sort_by_key(|(key, val)| 0 - *val); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_edge` [INFO] [stdout] --> day-06/src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | let is_edge = is_edge || x == min || x == max; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_edge` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day-06/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut input : Vec = buffer.split("\n") [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> day-06/src/main.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | .filter(|(key, val)| !infinite.contains(key)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `min` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const min: i32 = -300; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MIN` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> day-06/src/main.rs:47:25 [INFO] [stdout] | [INFO] [stdout] 47 | items.sort_by_key(|(key, val)| 0 - *val); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `max` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const max: i32 = 600; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MAX` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `safe_distance` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const safe_distance: i32 = 10000; [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SAFE_DISTANCE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day-06/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut input : Vec = buffer.split("\n") [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `min` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const min: i32 = -300; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MIN` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `max` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const max: i32 = 600; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MAX` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `safe_distance` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const safe_distance: i32 = 10000; [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SAFE_DISTANCE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> day-03/src/square.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Square { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(left: usize, top: usize, width: usize, height: usize) -> Square { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04) [INFO] [stderr] Checking day-10 v0.1.0 (/opt/rustwide/workdir/day-10) [INFO] [stderr] Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07) [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> day-07/src/main.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 103 | struct Step<'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 104 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Step` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day-04/src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut guard_info = guards.entry(range.guard).or_insert(GuardInfo::new()); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `date` is never read [INFO] [stdout] --> day-04/src/sleep_range.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct SleepRange { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 5 | pub guard: usize, [INFO] [stdout] 6 | pub date: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SleepRange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> day-07/src/main.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 103 | struct Step<'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 104 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Step` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day-04/src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut guard_info = guards.entry(range.guard).or_insert(GuardInfo::new()); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `date` is never read [INFO] [stdout] --> day-04/src/sleep_range.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct SleepRange { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 5 | pub guard: usize, [INFO] [stdout] 6 | pub date: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SleepRange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "ea3b009dade8ecd5ad8b5423a5466c5cb888308452ab8c698d8feb79c2078669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea3b009dade8ecd5ad8b5423a5466c5cb888308452ab8c698d8feb79c2078669", kill_on_drop: false }` [INFO] [stdout] ea3b009dade8ecd5ad8b5423a5466c5cb888308452ab8c698d8feb79c2078669 [INFO] checking bryanburgers/advent-of-code-2018 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Fadvent-of-code-2018" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bryanburgers/advent-of-code-2018 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/bryanburgers/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/bryanburgers/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/bryanburgers/advent-of-code-2018 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bryanburgers/advent-of-code-2018 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0b93e1038a921e3f85f50ee16089bfe4156c1edd1ff7a000a547237804a9dc2b [INFO] running `Command { std: "docker" "start" "-a" "0b93e1038a921e3f85f50ee16089bfe4156c1edd1ff7a000a547237804a9dc2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b93e1038a921e3f85f50ee16089bfe4156c1edd1ff7a000a547237804a9dc2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b93e1038a921e3f85f50ee16089bfe4156c1edd1ff7a000a547237804a9dc2b", kill_on_drop: false }` [INFO] [stdout] 0b93e1038a921e3f85f50ee16089bfe4156c1edd1ff7a000a547237804a9dc2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5038ef563f264b71990bcb8ce291901a2bf7c84717bb4135529293b7a3d906cf [INFO] running `Command { std: "docker" "start" "-a" "5038ef563f264b71990bcb8ce291901a2bf7c84717bb4135529293b7a3d906cf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06) [INFO] [stderr] Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03) [INFO] [stderr] Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02) [INFO] [stderr] Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01) [INFO] [stderr] Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05) [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08) [INFO] [stdout] warning: unused variable: `is_edge` [INFO] [stdout] --> day-06/src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | let is_edge = is_edge || x == min || x == max; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_edge` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> day-06/src/main.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | .filter(|(key, val)| !infinite.contains(key)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> day-06/src/main.rs:47:25 [INFO] [stdout] | [INFO] [stdout] 47 | items.sort_by_key(|(key, val)| 0 - *val); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_edge` [INFO] [stdout] --> day-06/src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | let is_edge = is_edge || x == min || x == max; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_edge` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_state` is never used [INFO] [stdout] --> day-05/src/main.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn print_state(stack: &VecDeque, current: u8, read: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> day-06/src/main.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | .filter(|(key, val)| !infinite.contains(key)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> day-06/src/main.rs:47:25 [INFO] [stdout] | [INFO] [stdout] 47 | items.sort_by_key(|(key, val)| 0 - *val); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day-06/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut input : Vec = buffer.split("\n") [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day-06/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut input : Vec = buffer.split("\n") [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `min` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const min: i32 = -300; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MIN` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `min` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const min: i32 = -300; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MIN` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `max` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const max: i32 = 600; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MAX` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `safe_distance` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const safe_distance: i32 = 10000; [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SAFE_DISTANCE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `max` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const max: i32 = 600; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MAX` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `safe_distance` should have an upper case name [INFO] [stdout] --> day-06/src/main.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const safe_distance: i32 = 10000; [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper case: `SAFE_DISTANCE` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> day-03/src/square.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Square { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(left: usize, top: usize, width: usize, height: usize) -> Square { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_state` is never used [INFO] [stdout] --> day-05/src/main.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn print_state(stack: &VecDeque, current: u8, read: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] Checking aho-corasick v0.6.9 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.0/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "5038ef563f264b71990bcb8ce291901a2bf7c84717bb4135529293b7a3d906cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5038ef563f264b71990bcb8ce291901a2bf7c84717bb4135529293b7a3d906cf", kill_on_drop: false }` [INFO] [stdout] 5038ef563f264b71990bcb8ce291901a2bf7c84717bb4135529293b7a3d906cf