[INFO] cloning repository https://github.com/jhorstmann/adventofcode2022 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhorstmann/adventofcode2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhorstmann%2Fadventofcode2022", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhorstmann%2Fadventofcode2022'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5945fda5d296b04503476db7155c1c060491338c [INFO] checking jhorstmann/adventofcode2022 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhorstmann%2Fadventofcode2022" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jhorstmann/adventofcode2022 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] removed /workspace/builds/worker-5-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/jhorstmann/adventofcode2022 [INFO] finished tweaking git repo https://github.com/jhorstmann/adventofcode2022 [INFO] tweaked toml for git repo https://github.com/jhorstmann/adventofcode2022 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jhorstmann/adventofcode2022 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5415d435d77165447ff1b16534f78fd1ce9798d428505dc43f8398e7284246ff [INFO] running `Command { std: "docker" "start" "-a" "5415d435d77165447ff1b16534f78fd1ce9798d428505dc43f8398e7284246ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5415d435d77165447ff1b16534f78fd1ce9798d428505dc43f8398e7284246ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5415d435d77165447ff1b16534f78fd1ce9798d428505dc43f8398e7284246ff", kill_on_drop: false }` [INFO] [stdout] 5415d435d77165447ff1b16534f78fd1ce9798d428505dc43f8398e7284246ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ccf8f86a0ad8489408dcf3ab01a3dbfe0a3ee267b793ec3af3bf693d7e2d00f9 [INFO] running `Command { std: "docker" "start" "-a" "ccf8f86a0ad8489408dcf3ab01a3dbfe0a3ee267b793ec3af3bf693d7e2d00f9", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.150 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking adventofcode2022 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `AtomicUsize`, `Ordering` [INFO] [stdout] --> src/bin/a21.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::atomic::{AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `adventofcode2022::Error` [INFO] [stdout] --> src/bin/a12.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use adventofcode2022::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `adventofcode2022::Error` [INFO] [stdout] --> src/bin/a12.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use adventofcode2022::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Range` [INFO] [stdout] --> src/bin/a14.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::{Index, IndexMut, Range}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/bin/a14.rs:125:41 [INFO] [stdout] | [INFO] [stdout] 125 | let mut cave = Grid::new(vec![b'.'; (width * height)], width); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 125 - let mut cave = Grid::new(vec![b'.'; (width * height)], width); [INFO] [stdout] 125 + let mut cave = Grid::new(vec![b'.'; width * height], width); [INFO] [stdout] | [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] --> src/bin/a21.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut next_dict_id = Cell::::default(); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/a21.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut next_id = || { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/bin/a17.rs:93:79 [INFO] [stdout] | [INFO] [stdout] 93 | if y > 0 && next_rock.valid_position(&chamber, 7, x as isize, (y as isize - 1)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - if y > 0 && next_rock.valid_position(&chamber, 7, x as isize, (y as isize - 1)) { [INFO] [stdout] 93 + if y > 0 && next_rock.valid_position(&chamber, 7, x as isize, y as isize - 1) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/bin/a17.rs:98:33 [INFO] [stdout] | [INFO] [stdout] 98 | chamber[(y + yy)] |= next_rock.row(yy) << x; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - chamber[(y + yy)] |= next_rock.row(yy) << x; [INFO] [stdout] 98 + chamber[y + yy] |= next_rock.row(yy) << x; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cave` [INFO] [stdout] --> src/bin/a14.rs:95:10 [INFO] [stdout] | [INFO] [stdout] 95 | let (cave, min_x, max_x, min_y, max_y) = create_grid(&paths); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cave` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_x` [INFO] [stdout] --> src/bin/a14.rs:103:23 [INFO] [stdout] | [INFO] [stdout] 103 | let (cave, min_x, max_x, min_y, max_y) = create_grid(&paths); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_y` [INFO] [stdout] --> src/bin/a14.rs:103:30 [INFO] [stdout] | [INFO] [stdout] 103 | let (cave, min_x, max_x, min_y, max_y) = create_grid(&paths); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_min_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_y` [INFO] [stdout] --> src/bin/a14.rs:103:37 [INFO] [stdout] | [INFO] [stdout] 103 | let (cave, min_x, max_x, min_y, max_y) = create_grid(&paths); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Range` [INFO] [stdout] --> src/bin/a14.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::{Index, IndexMut, Range}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/bin/a14.rs:125:41 [INFO] [stdout] | [INFO] [stdout] 125 | let mut cave = Grid::new(vec![b'.'; (width * height)], width); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 125 - let mut cave = Grid::new(vec![b'.'; (width * height)], width); [INFO] [stdout] 125 + let mut cave = Grid::new(vec![b'.'; width * height], width); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_chamber` is never used [INFO] [stdout] --> src/bin/a17.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn print_chamber(chamber: &[u8], rock: Option<(&Rock, usize, usize)>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicUsize`, `Ordering` [INFO] [stdout] --> src/bin/a21.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::atomic::{AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cave` [INFO] [stdout] --> src/bin/a14.rs:95:10 [INFO] [stdout] | [INFO] [stdout] 95 | let (cave, min_x, max_x, min_y, max_y) = create_grid(&paths); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cave` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_x` [INFO] [stdout] --> src/bin/a14.rs:103:23 [INFO] [stdout] | [INFO] [stdout] 103 | let (cave, min_x, max_x, min_y, max_y) = create_grid(&paths); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_y` [INFO] [stdout] --> src/bin/a14.rs:103:30 [INFO] [stdout] | [INFO] [stdout] 103 | let (cave, min_x, max_x, min_y, max_y) = create_grid(&paths); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_min_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_y` [INFO] [stdout] --> src/bin/a14.rs:103:37 [INFO] [stdout] | [INFO] [stdout] 103 | let (cave, min_x, max_x, min_y, max_y) = create_grid(&paths); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/a21.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut next_dict_id = Cell::::default(); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/a21.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut next_id = || { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/bin/a17.rs:93:79 [INFO] [stdout] | [INFO] [stdout] 93 | if y > 0 && next_rock.valid_position(&chamber, 7, x as isize, (y as isize - 1)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - if y > 0 && next_rock.valid_position(&chamber, 7, x as isize, (y as isize - 1)) { [INFO] [stdout] 93 + if y > 0 && next_rock.valid_position(&chamber, 7, x as isize, y as isize - 1) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/bin/a17.rs:98:33 [INFO] [stdout] | [INFO] [stdout] 98 | chamber[(y + yy)] |= next_rock.row(yy) << x; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - chamber[(y + yy)] |= next_rock.row(yy) << x; [INFO] [stdout] 98 + chamber[y + yy] |= next_rock.row(yy) << x; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_chamber` is never used [INFO] [stdout] --> src/bin/a17.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn print_chamber(chamber: &[u8], rock: Option<(&Rock, usize, usize)>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `boundary_points` is never used [INFO] [stdout] --> src/bin/a15.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl Sensor { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | fn boundary_points(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `boundary_points` is never used [INFO] [stdout] --> src/bin/a15.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl Sensor { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | fn boundary_points(&self) -> impl Iterator { [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s [INFO] running `Command { std: "docker" "inspect" "ccf8f86a0ad8489408dcf3ab01a3dbfe0a3ee267b793ec3af3bf693d7e2d00f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccf8f86a0ad8489408dcf3ab01a3dbfe0a3ee267b793ec3af3bf693d7e2d00f9", kill_on_drop: false }` [INFO] [stdout] ccf8f86a0ad8489408dcf3ab01a3dbfe0a3ee267b793ec3af3bf693d7e2d00f9 [INFO] checking jhorstmann/adventofcode2022 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhorstmann%2Fadventofcode2022" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jhorstmann/adventofcode2022 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] removed /workspace/builds/worker-5-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/jhorstmann/adventofcode2022 [INFO] finished tweaking git repo https://github.com/jhorstmann/adventofcode2022 [INFO] tweaked toml for git repo https://github.com/jhorstmann/adventofcode2022 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jhorstmann/adventofcode2022 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b99db60de002e189cbe1ae1654a9bb019217126dd242120a147118c694c7586f [INFO] running `Command { std: "docker" "start" "-a" "b99db60de002e189cbe1ae1654a9bb019217126dd242120a147118c694c7586f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b99db60de002e189cbe1ae1654a9bb019217126dd242120a147118c694c7586f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b99db60de002e189cbe1ae1654a9bb019217126dd242120a147118c694c7586f", kill_on_drop: false }` [INFO] [stdout] b99db60de002e189cbe1ae1654a9bb019217126dd242120a147118c694c7586f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fca66214c8d341feeb2be7a8e3cf3e9149bf68e2910624b343288f1282384c72 [INFO] running `Command { std: "docker" "start" "-a" "fca66214c8d341feeb2be7a8e3cf3e9149bf68e2910624b343288f1282384c72", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.150 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.0/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fca66214c8d341feeb2be7a8e3cf3e9149bf68e2910624b343288f1282384c72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fca66214c8d341feeb2be7a8e3cf3e9149bf68e2910624b343288f1282384c72", kill_on_drop: false }` [INFO] [stdout] fca66214c8d341feeb2be7a8e3cf3e9149bf68e2910624b343288f1282384c72