[INFO] cloning repository https://github.com/mijinko17/rust_snippets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mijinko17/rust_snippets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmijinko17%2Frust_snippets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmijinko17%2Frust_snippets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c51c505ebc3315d139e000623f1275b60f87d7ae
[INFO] testing mijinko17/rust_snippets against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmijinko17%2Frust_snippets" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mijinko17/rust_snippets on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mijinko17/rust_snippets
[INFO] finished tweaking git repo https://github.com/mijinko17/rust_snippets
[INFO] tweaked toml for git repo https://github.com/mijinko17/rust_snippets written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mijinko17/rust_snippets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0251f7dbe140ef7a07ea3cad1d265e5c705f9b5360f049b58a9df4a74e917f20
[INFO] running `Command { std: "docker" "start" "-a" "0251f7dbe140ef7a07ea3cad1d265e5c705f9b5360f049b58a9df4a74e917f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0251f7dbe140ef7a07ea3cad1d265e5c705f9b5360f049b58a9df4a74e917f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0251f7dbe140ef7a07ea3cad1d265e5c705f9b5360f049b58a9df4a74e917f20", kill_on_drop: false }`
[INFO] [stdout] 0251f7dbe140ef7a07ea3cad1d265e5c705f9b5360f049b58a9df4a74e917f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54c5667ac4a0402682e71294c9cea2cafd83549567e740fb5f881f0a9afd96d9
[INFO] running `Command { std: "docker" "start" "-a" "54c5667ac4a0402682e71294c9cea2cafd83549567e740fb5f881f0a9afd96d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling cargo-snippet v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rust-snippets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "54c5667ac4a0402682e71294c9cea2cafd83549567e740fb5f881f0a9afd96d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c5667ac4a0402682e71294c9cea2cafd83549567e740fb5f881f0a9afd96d9", kill_on_drop: false }`
[INFO] [stdout] 54c5667ac4a0402682e71294c9cea2cafd83549567e740fb5f881f0a9afd96d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c30ad7b432db3ca12426a47c00f53dd49ba4bb067b4477df32ae2a7256082ea6
[INFO] running `Command { std: "docker" "start" "-a" "c30ad7b432db3ca12426a47c00f53dd49ba4bb067b4477df32ae2a7256082ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-snippets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "c30ad7b432db3ca12426a47c00f53dd49ba4bb067b4477df32ae2a7256082ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30ad7b432db3ca12426a47c00f53dd49ba4bb067b4477df32ae2a7256082ea6", kill_on_drop: false }`
[INFO] [stdout] c30ad7b432db3ca12426a47c00f53dd49ba4bb067b4477df32ae2a7256082ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cb6ff817794012ea85bc736310f3cd9e00c7092e03dca28febd908f41e1a6f7
[INFO] running `Command { std: "docker" "start" "-a" "6cb6ff817794012ea85bc736310f3cd9e00c7092e03dca28febd908f41e1a6f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_snippets-650a2420a3ff4000)
[INFO] [stdout] running 13 tests
[INFO] [stdout] test binary_search::test_lower_upper_bound ... ok
[INFO] [stdout] test cumulative_sum::test_cumulative_sum ... ok
[INFO] [stdout] test dsu::test_dsu ... ok
[INFO] [stdout] test combination_mod::test_combination_mod_comb ... ok
[INFO] [stdout] test combination_mod::test_combination_mod_inverse ... ok
[INFO] [stdout] test ext_gcd::test_ext_gcd ... ok
[INFO] [stdout] test prime_factorization::test_prime_factorization ... ok
[INFO] [stdout] test sample::test_gcd ... ok
[INFO] [stdout] test sample::test_lcm ... ok
[INFO] [stdout] test union_find::test_union_find ... ok
[INFO] [stdout] test graph::dijkstra::test_dijkstra ... ok
[INFO] [stdout] test combination_mod::test_combination_mod_perm ... ok
[INFO] [stdout] test ext_gcd::test_inv_mod ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_snippets-70fd6e2c9933a246)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-snippets
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cb6ff817794012ea85bc736310f3cd9e00c7092e03dca28febd908f41e1a6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb6ff817794012ea85bc736310f3cd9e00c7092e03dca28febd908f41e1a6f7", kill_on_drop: false }`
[INFO] [stdout] 6cb6ff817794012ea85bc736310f3cd9e00c7092e03dca28febd908f41e1a6f7