[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/e4553ab639822df1df26ee4bab6db974d2c40106 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7omb%2Fsudoku" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/7omb/sudoku on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-0-tc1/source/Cargo.toml [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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vec_mut_scan v0.3.0 [INFO] [stderr] Downloaded varisat v0.2.2 [INFO] [stderr] Downloaded partial_ref v0.3.3 [INFO] [stderr] Downloaded partial_ref_derive v0.3.3 [INFO] [stderr] Downloaded varisat-formula v0.2.2 [INFO] [stderr] Downloaded varisat-dimacs v0.2.2 [INFO] [stderr] Downloaded varisat-internal-macros v0.2.2 [INFO] [stderr] Downloaded varisat-checker v0.2.2 [INFO] [stderr] Downloaded varisat-internal-proof v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a9aa190ff966fcb71fdc1a408ec3c6c497e87375d6a631b7abb2090a94a61b7 [INFO] running `Command { std: "docker" "start" "-a" "7a9aa190ff966fcb71fdc1a408ec3c6c497e87375d6a631b7abb2090a94a61b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a9aa190ff966fcb71fdc1a408ec3c6c497e87375d6a631b7abb2090a94a61b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a9aa190ff966fcb71fdc1a408ec3c6c497e87375d6a631b7abb2090a94a61b7", kill_on_drop: false }` [INFO] [stdout] 7a9aa190ff966fcb71fdc1a408ec3c6c497e87375d6a631b7abb2090a94a61b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67d7923cf46ef54313c44cb18ae219087b6d02b5b32de1771f8e5a3c907150cd [INFO] running `Command { std: "docker" "start" "-a" "67d7923cf46ef54313c44cb18ae219087b6d02b5b32de1771f8e5a3c907150cd", 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 anyhow v1.0.57 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Checking varisat-formula v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking ordered-float v2.10.0 [INFO] [stderr] Checking vec_mut_scan v0.3.0 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Compiling varisat v0.2.2 [INFO] [stderr] Checking varisat-internal-proof v0.2.2 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking rayon-core v1.9.3 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking rayon v1.5.3 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling serde_derive v1.0.137 [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 serde v1.0.137 [INFO] [stderr] Checking bstr v0.2.17 [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.11s [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 1` [INFO] running `Command { std: "docker" "inspect" "67d7923cf46ef54313c44cb18ae219087b6d02b5b32de1771f8e5a3c907150cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67d7923cf46ef54313c44cb18ae219087b6d02b5b32de1771f8e5a3c907150cd", kill_on_drop: false }` [INFO] [stdout] 67d7923cf46ef54313c44cb18ae219087b6d02b5b32de1771f8e5a3c907150cd