[INFO] cloning repository https://github.com/kor-and-m/rust-algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kor-and-m/rust-algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkor-and-m%2Frust-algo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkor-and-m%2Frust-algo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaeab9cd30156819fa8cc6c1595f067eeb454d56
[INFO] checking kor-and-m/rust-algo against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkor-and-m%2Frust-algo" "/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/kor-and-m/rust-algo on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kor-and-m/rust-algo
[INFO] finished tweaking git repo https://github.com/kor-and-m/rust-algo
[INFO] tweaked toml for git repo https://github.com/kor-and-m/rust-algo written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kor-and-m/rust-algo 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bae29b188d42c5b9fd2132ef487066c16b12054df13712b38accf75c8c01ed81
[INFO] running `Command { std: "docker" "start" "-a" "bae29b188d42c5b9fd2132ef487066c16b12054df13712b38accf75c8c01ed81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bae29b188d42c5b9fd2132ef487066c16b12054df13712b38accf75c8c01ed81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae29b188d42c5b9fd2132ef487066c16b12054df13712b38accf75c8c01ed81", kill_on_drop: false }`
[INFO] [stdout] bae29b188d42c5b9fd2132ef487066c16b12054df13712b38accf75c8c01ed81
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb99f765c26704a12aa81c1d3651cae17583c06f4f64e0a63a5e03b5fe193c4
[INFO] running `Command { std: "docker" "start" "-a" "eeb99f765c26704a12aa81c1d3651cae17583c06f4f64e0a63a5e03b5fe193c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]     Checking updatable_heap v0.1.0 (/opt/rustwide/workdir/updatable_heap)
[INFO] [stderr]     Checking graph_representations v0.1.0 (/opt/rustwide/workdir/graph_representations)
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]     Checking union_find v0.1.0 (/opt/rustwide/workdir/union_find)
[INFO] [stderr]     Checking topological_sort v0.1.0 (/opt/rustwide/workdir/topological_sort)
[INFO] [stderr]     Checking dynamic_path_graph v0.1.0 (/opt/rustwide/workdir/dynamic_path_graph)
[INFO] [stderr]     Checking unimodal_max v0.1.0 (/opt/rustwide/workdir/unimodal_max)
[INFO] [stderr]     Checking greedy v0.1.0 (/opt/rustwide/workdir/greedy)
[INFO] [stderr]     Checking strong_components v0.1.0 (/opt/rustwide/workdir/strong_components)
[INFO] [stderr]     Checking knapsack v0.1.0 (/opt/rustwide/workdir/knapsack)
[INFO] [stderr]     Checking binary_search_builder v0.1.0 (/opt/rustwide/workdir/binary_search_builder)
[INFO] [stderr]     Checking median_stream v0.1.0 (/opt/rustwide/workdir/median_stream)
[INFO] [stderr]     Checking second_max v0.1.0 (/opt/rustwide/workdir/second_max)
[INFO] [stderr]     Checking element_idx_check v0.1.0 (/opt/rustwide/workdir/element_idx_check)
[INFO] [stderr]     Checking sorted_n v0.1.0 (/opt/rustwide/workdir/sorted_n)
[INFO] [stderr]     Checking clustering_algo v0.1.0 (/opt/rustwide/workdir/clustering_algo)
[INFO] [stderr]     Checking shortest_path v0.1.0 (/opt/rustwide/workdir/shortest_path)
[INFO] [stderr]     Checking dijkstra v0.1.0 (/opt/rustwide/workdir/dijkstra)
[INFO] [stderr]     Checking bellman_ford v0.1.0 (/opt/rustwide/workdir/bellman_ford)
[INFO] [stderr]     Checking huffman v0.1.0 (/opt/rustwide/workdir/huffman)
[INFO] [stderr]     Checking inversions_count v0.1.0 (/opt/rustwide/workdir/inversions_count)
[INFO] [stderr]     Checking quicksort v0.1.0 (/opt/rustwide/workdir/quicksort)
[INFO] [stderr]     Checking jonsons v0.1.0 (/opt/rustwide/workdir/jonsons)
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking min_cut v0.1.0 (/opt/rustwide/workdir/min_cut)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "eeb99f765c26704a12aa81c1d3651cae17583c06f4f64e0a63a5e03b5fe193c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb99f765c26704a12aa81c1d3651cae17583c06f4f64e0a63a5e03b5fe193c4", kill_on_drop: false }`
[INFO] [stdout] eeb99f765c26704a12aa81c1d3651cae17583c06f4f64e0a63a5e03b5fe193c4
[INFO] checking kor-and-m/rust-algo against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkor-and-m%2Frust-algo" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kor-and-m/rust-algo on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kor-and-m/rust-algo
[INFO] finished tweaking git repo https://github.com/kor-and-m/rust-algo
[INFO] tweaked toml for git repo https://github.com/kor-and-m/rust-algo written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kor-and-m/rust-algo 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d8c862b5a09c4150c018019e628f1ac9792b374e423d12e6907d99ef0d3fa96
[INFO] running `Command { std: "docker" "start" "-a" "5d8c862b5a09c4150c018019e628f1ac9792b374e423d12e6907d99ef0d3fa96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d8c862b5a09c4150c018019e628f1ac9792b374e423d12e6907d99ef0d3fa96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8c862b5a09c4150c018019e628f1ac9792b374e423d12e6907d99ef0d3fa96", kill_on_drop: false }`
[INFO] [stdout] 5d8c862b5a09c4150c018019e628f1ac9792b374e423d12e6907d99ef0d3fa96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9588d6229bd39182c636dbb239fdec9693658ce3b027635cb371e441fca943e
[INFO] running `Command { std: "docker" "start" "-a" "f9588d6229bd39182c636dbb239fdec9693658ce3b027635cb371e441fca943e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]     Checking graph_representations v0.1.0 (/opt/rustwide/workdir/graph_representations)
[INFO] [stderr]     Checking updatable_heap v0.1.0 (/opt/rustwide/workdir/updatable_heap)
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]     Checking union_find v0.1.0 (/opt/rustwide/workdir/union_find)
[INFO] [stderr]     Checking greedy v0.1.0 (/opt/rustwide/workdir/greedy)
[INFO] [stderr]     Checking inversions_count v0.1.0 (/opt/rustwide/workdir/inversions_count)
[INFO] [stderr]     Checking element_idx_check v0.1.0 (/opt/rustwide/workdir/element_idx_check)
[INFO] [stderr]     Checking quicksort v0.1.0 (/opt/rustwide/workdir/quicksort)
[INFO] [stderr]     Checking dynamic_path_graph v0.1.0 (/opt/rustwide/workdir/dynamic_path_graph)
[INFO] [stderr]     Checking sorted_n v0.1.0 (/opt/rustwide/workdir/sorted_n)
[INFO] [stderr]     Checking strong_components v0.1.0 (/opt/rustwide/workdir/strong_components)
[INFO] [stderr]     Checking huffman v0.1.0 (/opt/rustwide/workdir/huffman)
[INFO] [stderr]     Checking binary_search_builder v0.1.0 (/opt/rustwide/workdir/binary_search_builder)
[INFO] [stderr]     Checking bellman_ford v0.1.0 (/opt/rustwide/workdir/bellman_ford)
[INFO] [stderr]     Checking clustering_algo v0.1.0 (/opt/rustwide/workdir/clustering_algo)
[INFO] [stderr]     Checking dijkstra v0.1.0 (/opt/rustwide/workdir/dijkstra)
[INFO] [stderr]     Checking second_max v0.1.0 (/opt/rustwide/workdir/second_max)
[INFO] [stderr]     Checking shortest_path v0.1.0 (/opt/rustwide/workdir/shortest_path)
[INFO] [stderr]     Checking topological_sort v0.1.0 (/opt/rustwide/workdir/topological_sort)
[INFO] [stderr]     Checking knapsack v0.1.0 (/opt/rustwide/workdir/knapsack)
[INFO] [stderr]     Checking jonsons v0.1.0 (/opt/rustwide/workdir/jonsons)
[INFO] [stderr]     Checking unimodal_max v0.1.0 (/opt/rustwide/workdir/unimodal_max)
[INFO] [stderr]     Checking median_stream v0.1.0 (/opt/rustwide/workdir/median_stream)
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking min_cut v0.1.0 (/opt/rustwide/workdir/min_cut)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "f9588d6229bd39182c636dbb239fdec9693658ce3b027635cb371e441fca943e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9588d6229bd39182c636dbb239fdec9693658ce3b027635cb371e441fca943e", kill_on_drop: false }`
[INFO] [stdout] f9588d6229bd39182c636dbb239fdec9693658ce3b027635cb371e441fca943e