[INFO] cloning repository https://github.com/kmakeev/puzzle15rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kmakeev/puzzle15rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2a0a1577f752888a68360bf2d818b46b2513cdd5 [INFO] checking kmakeev/puzzle15rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust" "/workspace/builds/worker-86/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kmakeev/puzzle15rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kmakeev/puzzle15rust [INFO] finished tweaking git repo https://github.com/kmakeev/puzzle15rust [INFO] tweaked toml for git repo https://github.com/kmakeev/puzzle15rust written to /workspace/builds/worker-86/source/Cargo.toml [INFO] crate git repo https://github.com/kmakeev/puzzle15rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.4 [INFO] [stderr] Downloaded serde v1.0.101 [INFO] [stderr] Downloaded serde_derive v1.0.101 [INFO] [stderr] Downloaded rayon v1.1.0 [INFO] [stderr] Downloaded rayon-core v1.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84a9b80c1648db3ba7557c82c77f2462cc1bb279e81ba348bb5dd8593e70e00f [INFO] running `Command { std: "docker" "start" "-a" "84a9b80c1648db3ba7557c82c77f2462cc1bb279e81ba348bb5dd8593e70e00f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84a9b80c1648db3ba7557c82c77f2462cc1bb279e81ba348bb5dd8593e70e00f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84a9b80c1648db3ba7557c82c77f2462cc1bb279e81ba348bb5dd8593e70e00f", kill_on_drop: false }` [INFO] [stdout] 84a9b80c1648db3ba7557c82c77f2462cc1bb279e81ba348bb5dd8593e70e00f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1212687f536f038fd2535b3cff0d750becf6c424ed138d170d1d648f8bc26aa [INFO] running `Command { std: "docker" "start" "-a" "d1212687f536f038fd2535b3cff0d750becf6c424ed138d170d1d648f8bc26aa", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking puzzle v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/puzzle.rs (20 fixes) [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/puzzle.rs:194:17 [INFO] [stdout] | [INFO] [stdout] 194 | let mut val = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/puzzle.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | let mut val = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/puzzle.rs:286:21 [INFO] [stdout] | [INFO] [stdout] 286 | let mut tmp: Vec = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/puzzle.rs:335:21 [INFO] [stdout] | [INFO] [stdout] 335 | let mut tmp: Vec = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/puzzle.rs:194:17 [INFO] [stdout] | [INFO] [stdout] 194 | let mut val = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/puzzle.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | let mut val = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/puzzle.rs:286:21 [INFO] [stdout] | [INFO] [stdout] 286 | let mut tmp: Vec = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/puzzle.rs:335:21 [INFO] [stdout] | [INFO] [stdout] 335 | let mut tmp: Vec = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (8 fixes) [INFO] [stdout] warning: value assigned to `count_solutions` is never read [INFO] [stdout] --> src/main.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | let mut count_solutions:i32 = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count_solutions` is never read [INFO] [stdout] --> src/main.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | let mut count_solutions:i32 = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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 [unoptimized + debuginfo] target(s) in 14.92s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking puzzle v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/puzzle.rs:194:17 [INFO] [stdout] | [INFO] [stdout] 194 | let mut val = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/puzzle.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | let mut val = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/puzzle.rs:286:21 [INFO] [stdout] | [INFO] [stdout] 286 | let mut tmp: Vec = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/puzzle.rs:335:21 [INFO] [stdout] | [INFO] [stdout] 335 | let mut tmp: Vec = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/puzzle.rs:194:17 [INFO] [stdout] | [INFO] [stdout] 194 | let mut val = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `val` is never read [INFO] [stdout] --> src/puzzle.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | let mut val = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/puzzle.rs:286:21 [INFO] [stdout] | [INFO] [stdout] 286 | let mut tmp: Vec = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tmp` is never read [INFO] [stdout] --> src/puzzle.rs:335:21 [INFO] [stdout] | [INFO] [stdout] 335 | let mut tmp: Vec = vec![]; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count_solutions` is never read [INFO] [stdout] --> src/main.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | let mut count_solutions:i32 = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count_solutions` is never read [INFO] [stdout] --> src/main.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | let mut count_solutions:i32 = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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 [unoptimized + debuginfo] target(s) in 6.68s [INFO] running `Command { std: "docker" "inspect" "d1212687f536f038fd2535b3cff0d750becf6c424ed138d170d1d648f8bc26aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1212687f536f038fd2535b3cff0d750becf6c424ed138d170d1d648f8bc26aa", kill_on_drop: false }` [INFO] [stdout] d1212687f536f038fd2535b3cff0d750becf6c424ed138d170d1d648f8bc26aa