[INFO] cloning repository https://github.com/tipstar0125/Heuristic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tipstar0125/Heuristic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipstar0125%2FHeuristic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipstar0125%2FHeuristic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b46a5473007f2e8eed07833406a1f11455629ec6
[INFO] checking tipstar0125/Heuristic against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipstar0125%2FHeuristic" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tipstar0125/Heuristic
[INFO] finished tweaking git repo https://github.com/tipstar0125/Heuristic
[INFO] tweaked toml for git repo https://github.com/tipstar0125/Heuristic written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tipstar0125/Heuristic 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/tipstar0125/Heuristic 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1e1f223a089eb557ff95787dda560454ac22e16d5c05aab17017a3f692b99f00
[INFO] running `Command { std: "docker" "start" "-a" "1e1f223a089eb557ff95787dda560454ac22e16d5c05aab17017a3f692b99f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e1f223a089eb557ff95787dda560454ac22e16d5c05aab17017a3f692b99f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1f223a089eb557ff95787dda560454ac22e16d5c05aab17017a3f692b99f00", kill_on_drop: false }`
[INFO] [stdout] 1e1f223a089eb557ff95787dda560454ac22e16d5c05aab17017a3f692b99f00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fa8c3b833cc60a1107ced423454e5609e5e7fb9ff1adec4ed1546bb3d54ae67c
[INFO] running `Command { std: "docker" "start" "-a" "fa8c3b833cc60a1107ced423454e5609e5e7fb9ff1adec4ed1546bb3d54ae67c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking amplify_num v0.4.1
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]     Checking rand_hc v0.3.2
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking petgraph v0.6.3
[INFO] [stderr]     Checking glidesort v0.1.2
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking counter v0.5.7
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v3.7.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking omniswap v0.1.0
[INFO] [stderr]     Checking recur-fn v2.2.0
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking indexing v0.4.1
[INFO] [stderr]    Compiling easy-ext v1.0.1
[INFO] [stderr]     Checking text_io v0.1.12
[INFO] [stderr]     Checking ac-library-rs v0.1.1
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking hashbag v0.1.11
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling num-derive v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking pathfinding v4.3.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling amplify_syn v1.1.6
[INFO] [stderr]    Compiling partial_ref_derive v0.3.3
[INFO] [stderr]    Compiling proconio-derive v0.2.1
[INFO] [stderr]    Compiling multiversion-macros v0.7.3
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]    Compiling argio-macro v0.2.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling memoise v0.3.2
[INFO] [stderr]    Compiling amplify_derive v2.11.3
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking proconio v0.4.5
[INFO] [stderr]     Checking partial_ref v0.3.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]     Checking argio v0.2.0
[INFO] [stderr]     Checking multiversion v0.7.2
[INFO] [stderr]     Checking amplify v3.14.2
[INFO] [stderr]     Checking multimap v0.9.0
[INFO] [stderr]     Checking btreemultimap v0.1.1
[INFO] [stderr]     Checking ahc030 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `time_keeper`
[INFO] [stdout]   --> src/bin/a.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let time_keeper = TimeKeeper::new(time_limit);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_keeper`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_keeper`
[INFO] [stdout]   --> src/bin/a.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let time_keeper = TimeKeeper::new(time_limit);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_keeper`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.18s
[INFO] running `Command { std: "docker" "inspect" "fa8c3b833cc60a1107ced423454e5609e5e7fb9ff1adec4ed1546bb3d54ae67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8c3b833cc60a1107ced423454e5609e5e7fb9ff1adec4ed1546bb3d54ae67c", kill_on_drop: false }`
[INFO] [stdout] fa8c3b833cc60a1107ced423454e5609e5e7fb9ff1adec4ed1546bb3d54ae67c