[INFO] cloning repository https://github.com/rdwoodring/adventofcode2022 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rdwoodring/adventofcode2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdwoodring%2Fadventofcode2022", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdwoodring%2Fadventofcode2022'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a584421afb7b51bbdc17d5c45e4cdb390b129da [INFO] checking rdwoodring/adventofcode2022 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdwoodring%2Fadventofcode2022" "/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/rdwoodring/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] started tweaking git repo https://github.com/rdwoodring/adventofcode2022 [INFO] finished tweaking git repo https://github.com/rdwoodring/adventofcode2022 [INFO] tweaked toml for git repo https://github.com/rdwoodring/adventofcode2022 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rdwoodring/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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 65130a52b69bc5d05a1523c573e9d8be25fb34502a4efb5305d0c05bc4ecb9b1 [INFO] running `Command { std: "docker" "start" "-a" "65130a52b69bc5d05a1523c573e9d8be25fb34502a4efb5305d0c05bc4ecb9b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65130a52b69bc5d05a1523c573e9d8be25fb34502a4efb5305d0c05bc4ecb9b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65130a52b69bc5d05a1523c573e9d8be25fb34502a4efb5305d0c05bc4ecb9b1", kill_on_drop: false }` [INFO] [stdout] 65130a52b69bc5d05a1523c573e9d8be25fb34502a4efb5305d0c05bc4ecb9b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9b38f0c9bdf74f251670a16eb220ed3d61c0719cbb7166c48ef5303d15890ef8 [INFO] running `Command { std: "docker" "start" "-a" "9b38f0c9bdf74f251670a16eb220ed3d61c0719cbb7166c48ef5303d15890ef8", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking day4-2 v0.1.0 (/opt/rustwide/workdir/day4-2) [INFO] [stderr] Checking day2-2 v0.1.0 (/opt/rustwide/workdir/day2-2) [INFO] [stderr] Checking day7-2 v0.1.0 (/opt/rustwide/workdir/day7-2) [INFO] [stderr] Checking day3-1 v0.1.0 (/opt/rustwide/workdir/day3-1) [INFO] [stderr] Checking day4-1 v0.1.0 (/opt/rustwide/workdir/day4-1) [INFO] [stderr] Checking day2-1 v0.1.0 (/opt/rustwide/workdir/day2-1) [INFO] [stderr] Checking day6-1 v0.1.0 (/opt/rustwide/workdir/day6-1) [INFO] [stderr] Checking day3-2 v0.1.0 (/opt/rustwide/workdir/day3-2) [INFO] [stderr] Checking day7-1 v0.1.0 (/opt/rustwide/workdir/day7-1) [INFO] [stderr] Checking day6-2 v0.1.0 (/opt/rustwide/workdir/day6-2) [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-2/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut score; [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] --> day2-2/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `win` [INFO] [stdout] --> day2-2/src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let win = "Z"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_win` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day6-1/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::{HashMap, HashSet}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day6-2/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::{HashMap, HashSet}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-1/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut translated_choice; [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] --> day2-1/src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day3-2/src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | for i in slice_start_index..slice_end_index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [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] --> day2-1/src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-2/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut score; [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] --> day2-1/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut translated_choice; [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] --> day2-1/src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-1/src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-2/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `win` [INFO] [stdout] --> day2-2/src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let win = "Z"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_win` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 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] [stdout] warning: 3 warnings emitted [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 import: `HashMap` [INFO] [stdout] --> day6-1/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::{HashMap, HashSet}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day6-2/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::{HashMap, HashSet}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day3-2/src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | for i in slice_start_index..slice_end_index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking day1-1 v0.1.0 (/opt/rustwide/workdir/day1-1) [INFO] [stderr] Checking day5-1 v0.1.0 (/opt/rustwide/workdir/day5-1) [INFO] [stderr] Checking day5-2 v0.1.0 (/opt/rustwide/workdir/day5-2) [INFO] [stderr] Checking day1-2 v0.1.0 (/opt/rustwide/workdir/day1-2) [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> day5-1/src/main.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | let mut stack: Vec = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [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] --> day5-1/src/main.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut stack: Vec = Vec::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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> day5-2/src/main.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | let mut stack: Vec = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [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] --> day5-2/src/main.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut stack: Vec = Vec::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: unused variable: `stack` [INFO] [stdout] --> day5-1/src/main.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | let mut stack: Vec = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [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] --> day5-1/src/main.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut stack: Vec = Vec::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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack` [INFO] [stdout] --> day5-2/src/main.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | let mut stack: Vec = Vec::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack` [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] --> day5-2/src/main.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut stack: Vec = Vec::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: 2 warnings 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 2.56s [INFO] running `Command { std: "docker" "inspect" "9b38f0c9bdf74f251670a16eb220ed3d61c0719cbb7166c48ef5303d15890ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b38f0c9bdf74f251670a16eb220ed3d61c0719cbb7166c48ef5303d15890ef8", kill_on_drop: false }` [INFO] [stdout] 9b38f0c9bdf74f251670a16eb220ed3d61c0719cbb7166c48ef5303d15890ef8 [INFO] checking rdwoodring/adventofcode2022 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frdwoodring%2Fadventofcode2022" "/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/rdwoodring/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] started tweaking git repo https://github.com/rdwoodring/adventofcode2022 [INFO] finished tweaking git repo https://github.com/rdwoodring/adventofcode2022 [INFO] tweaked toml for git repo https://github.com/rdwoodring/adventofcode2022 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rdwoodring/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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [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] 5b98ca98e9ee6c30b3b33907107937282f8f3987b450d791402c5f8c40f5f8cd [INFO] running `Command { std: "docker" "start" "-a" "5b98ca98e9ee6c30b3b33907107937282f8f3987b450d791402c5f8c40f5f8cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b98ca98e9ee6c30b3b33907107937282f8f3987b450d791402c5f8c40f5f8cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b98ca98e9ee6c30b3b33907107937282f8f3987b450d791402c5f8c40f5f8cd", kill_on_drop: false }` [INFO] [stdout] 5b98ca98e9ee6c30b3b33907107937282f8f3987b450d791402c5f8c40f5f8cd [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] d9d03782087ed7467b90cb9c29312412c30478ccc5fb06d60eab93f50e3be530 [INFO] running `Command { std: "docker" "start" "-a" "d9d03782087ed7467b90cb9c29312412c30478ccc5fb06d60eab93f50e3be530", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking day7-1 v0.1.0 (/opt/rustwide/workdir/day7-1) [INFO] [stderr] Checking day4-1 v0.1.0 (/opt/rustwide/workdir/day4-1) [INFO] [stderr] Checking day2-2 v0.1.0 (/opt/rustwide/workdir/day2-2) [INFO] [stderr] Checking day6-2 v0.1.0 (/opt/rustwide/workdir/day6-2) [INFO] [stderr] Checking day7-2 v0.1.0 (/opt/rustwide/workdir/day7-2) [INFO] [stderr] Checking day3-2 v0.1.0 (/opt/rustwide/workdir/day3-2) [INFO] [stderr] Checking day2-1 v0.1.0 (/opt/rustwide/workdir/day2-1) [INFO] [stderr] Checking day6-1 v0.1.0 (/opt/rustwide/workdir/day6-1) [INFO] [stderr] Checking day4-2 v0.1.0 (/opt/rustwide/workdir/day4-2) [INFO] [stderr] Checking day3-1 v0.1.0 (/opt/rustwide/workdir/day3-1) [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day6-2/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::{HashMap, HashSet}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-1/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut translated_choice; [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] --> day2-1/src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [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] --> day2-2/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut score; [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] --> day2-1/src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-2/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `win` [INFO] [stdout] --> day2-2/src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let win = "Z"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_win` [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] --> day2-1/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut translated_choice; [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] --> day2-1/src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-1/src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut score; [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day6-2/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::{HashMap, HashSet}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day6-1/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::{HashMap, HashSet}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day2-2/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut score; [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] --> day2-2/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut score; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `win` [INFO] [stdout] --> day2-2/src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let win = "Z"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_win` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day3-2/src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | for i in slice_start_index..slice_end_index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day6-1/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs, collections::{HashMap, HashSet}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day3-2/src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | for i in slice_start_index..slice_end_index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "d9d03782087ed7467b90cb9c29312412c30478ccc5fb06d60eab93f50e3be530", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9d03782087ed7467b90cb9c29312412c30478ccc5fb06d60eab93f50e3be530", kill_on_drop: false }` [INFO] [stdout] d9d03782087ed7467b90cb9c29312412c30478ccc5fb06d60eab93f50e3be530