[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmijinko17%2Frust_snippets" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mijinko17/rust_snippets on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-57/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-snippet v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e5b7f1644f1acafcf0860b9a472c4bfc1d504ebdc80283d6cce6581f439ae3
[INFO] running `Command { std: "docker" "start" "-a" "f8e5b7f1644f1acafcf0860b9a472c4bfc1d504ebdc80283d6cce6581f439ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e5b7f1644f1acafcf0860b9a472c4bfc1d504ebdc80283d6cce6581f439ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e5b7f1644f1acafcf0860b9a472c4bfc1d504ebdc80283d6cce6581f439ae3", kill_on_drop: false }`
[INFO] [stdout] f8e5b7f1644f1acafcf0860b9a472c4bfc1d504ebdc80283d6cce6581f439ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d952bf5e6f5a5b6fe96058219a0386532542e19e695436c61a0e4c7c660a228
[INFO] running `Command { std: "docker" "start" "-a" "8d952bf5e6f5a5b6fe96058219a0386532542e19e695436c61a0e4c7c660a228", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling cargo-snippet v0.5.1
[INFO] [stderr]    Compiling itertools v0.9.0
[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-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[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 15.31s
[INFO] running `Command { std: "docker" "inspect" "8d952bf5e6f5a5b6fe96058219a0386532542e19e695436c61a0e4c7c660a228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d952bf5e6f5a5b6fe96058219a0386532542e19e695436c61a0e4c7c660a228", kill_on_drop: false }`
[INFO] [stdout] 8d952bf5e6f5a5b6fe96058219a0386532542e19e695436c61a0e4c7c660a228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a09fbbc06c0222f79c188800dbc8a9566653b01d3b2ba25ec13748c8bcb49914
[INFO] running `Command { std: "docker" "start" "-a" "a09fbbc06c0222f79c188800dbc8a9566653b01d3b2ba25ec13748c8bcb49914", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-snippets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "a09fbbc06c0222f79c188800dbc8a9566653b01d3b2ba25ec13748c8bcb49914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09fbbc06c0222f79c188800dbc8a9566653b01d3b2ba25ec13748c8bcb49914", kill_on_drop: false }`
[INFO] [stdout] a09fbbc06c0222f79c188800dbc8a9566653b01d3b2ba25ec13748c8bcb49914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80603e34502396d2c7b76faba5d3666cc1746d764b84e38871b6c1e00ad85fc9
[INFO] running `Command { std: "docker" "start" "-a" "80603e34502396d2c7b76faba5d3666cc1746d764b84e38871b6c1e00ad85fc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_snippets-c35e40811a970d40)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test binary_search::test_lower_upper_bound ... ok
[INFO] [stdout] test combination_mod::test_combination_mod_comb ... ok
[INFO] [stdout] test combination_mod::test_combination_mod_inverse ... ok
[INFO] [stdout] test cumulative_sum::test_cumulative_sum ... ok
[INFO] [stdout] test dsu::test_dsu ... ok
[INFO] [stdout] test graph::dijkstra::test_dijkstra ... ok
[INFO] [stdout] test prime_factorization::test_prime_factorization ... ok
[INFO] [stdout] test sample::test_gcd ... ok
[INFO] [stdout] test union_find::test_union_find ... ok
[INFO] [stdout] test sample::test_lcm ... ok
[INFO] [stdout] test ext_gcd::test_ext_gcd ... ok
[INFO] [stdout] test ext_gcd::test_inv_mod ... ok
[INFO] [stdout] test combination_mod::test_combination_mod_perm ... 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-6ba15c59d31ba28a)
[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" "80603e34502396d2c7b76faba5d3666cc1746d764b84e38871b6c1e00ad85fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80603e34502396d2c7b76faba5d3666cc1746d764b84e38871b6c1e00ad85fc9", kill_on_drop: false }`
[INFO] [stdout] 80603e34502396d2c7b76faba5d3666cc1746d764b84e38871b6c1e00ad85fc9