[INFO] cloning repository https://github.com/7omb/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7omb/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7omb%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7omb%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e4553ab639822df1df26ee4bab6db974d2c40106 [INFO] checking 7omb/sudoku against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7omb%2Fsudoku" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/7omb/sudoku [INFO] finished tweaking git repo https://github.com/7omb/sudoku [INFO] tweaked toml for git repo https://github.com/7omb/sudoku written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/7omb/sudoku on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/7omb/sudoku 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d057ac5b47dd1f70b527e75ea889a6962c8066ac0ec8e914fac306f916bd63b [INFO] running `Command { std: "docker" "start" "-a" "4d057ac5b47dd1f70b527e75ea889a6962c8066ac0ec8e914fac306f916bd63b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d057ac5b47dd1f70b527e75ea889a6962c8066ac0ec8e914fac306f916bd63b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d057ac5b47dd1f70b527e75ea889a6962c8066ac0ec8e914fac306f916bd63b", kill_on_drop: false }` [INFO] [stdout] 4d057ac5b47dd1f70b527e75ea889a6962c8066ac0ec8e914fac306f916bd63b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e69d87f68812353355c3d604add2e5d3d2c9e1011438b2fefc12721cb19e8a8b [INFO] running `Command { std: "docker" "start" "-a" "e69d87f68812353355c3d604add2e5d3d2c9e1011438b2fefc12721cb19e8a8b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking varisat-formula v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking vec_mut_scan v0.3.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking varisat-internal-proof v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Compiling varisat v0.2.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking ordered-float v2.10.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling partial_ref_derive v0.3.3 [INFO] [stderr] Compiling varisat-internal-macros v0.2.2 [INFO] [stderr] Checking partial_ref v0.3.3 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking varisat-dimacs v0.2.2 [INFO] [stderr] Checking varisat-checker v0.2.2 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_json v1.0.81 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:108:29 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn sudoku_solver(board: &str) -> (Vec, Solver) { [INFO] [stdout] | ^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | pub fn sudoku_solver(board: &str) -> (Vec, Solver<'_>) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:108:29 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn sudoku_solver(board: &str) -> (Vec, Solver) { [INFO] [stdout] | ^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | pub fn sudoku_solver(board: &str) -> (Vec, Solver<'_>) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.45s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "e69d87f68812353355c3d604add2e5d3d2c9e1011438b2fefc12721cb19e8a8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e69d87f68812353355c3d604add2e5d3d2c9e1011438b2fefc12721cb19e8a8b", kill_on_drop: false }` [INFO] [stdout] e69d87f68812353355c3d604add2e5d3d2c9e1011438b2fefc12721cb19e8a8b