[INFO] cloning repository https://github.com/yicuiheng/yat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yicuiheng/yat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyicuiheng%2Fyat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyicuiheng%2Fyat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0cc3c3f1a4a819e87811a8e34068bdb538566e2
[INFO] testing yicuiheng/yat against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyicuiheng%2Fyat" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yicuiheng/yat 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/yicuiheng/yat
[INFO] finished tweaking git repo https://github.com/yicuiheng/yat
[INFO] tweaked toml for git repo https://github.com/yicuiheng/yat written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yicuiheng/yat 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] eb3277b86ae8c1e17efaf71a7aff938b26b7f6f97e1e310482f4ae401b9423a6
[INFO] running `Command { std: "docker" "start" "-a" "eb3277b86ae8c1e17efaf71a7aff938b26b7f6f97e1e310482f4ae401b9423a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb3277b86ae8c1e17efaf71a7aff938b26b7f6f97e1e310482f4ae401b9423a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3277b86ae8c1e17efaf71a7aff938b26b7f6f97e1e310482f4ae401b9423a6", kill_on_drop: false }`
[INFO] [stdout] eb3277b86ae8c1e17efaf71a7aff938b26b7f6f97e1e310482f4ae401b9423a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0b2fda811c1d70f9a86a2b92e31039d7d159c45e0a645252ab7097693e741fbc
[INFO] running `Command { std: "docker" "start" "-a" "0b2fda811c1d70f9a86a2b92e31039d7d159c45e0a645252ab7097693e741fbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling yat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cnf`
[INFO] [stdout]   --> src/lib.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn solve_dpll(cnf: &Cnf) -> Result {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cnf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cnf`
[INFO] [stdout]   --> src/lib.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn solve_cdcl(cnf: &Cnf) -> Result {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cnf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.56s
[INFO] running `Command { std: "docker" "inspect" "0b2fda811c1d70f9a86a2b92e31039d7d159c45e0a645252ab7097693e741fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2fda811c1d70f9a86a2b92e31039d7d159c45e0a645252ab7097693e741fbc", kill_on_drop: false }`
[INFO] [stdout] 0b2fda811c1d70f9a86a2b92e31039d7d159c45e0a645252ab7097693e741fbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d9657ca598e2581a2033c1d8ce828138f45299ba7fa73119b722d5c580f1228a
[INFO] running `Command { std: "docker" "start" "-a" "d9657ca598e2581a2033c1d8ce828138f45299ba7fa73119b722d5c580f1228a", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `cnf`
[INFO] [stdout]   --> src/lib.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn solve_dpll(cnf: &Cnf) -> Result {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cnf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cnf`
[INFO] [stdout]   --> src/lib.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn solve_cdcl(cnf: &Cnf) -> Result {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cnf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cnf`
[INFO] [stdout]   --> src/lib.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn solve_dpll(cnf: &Cnf) -> Result {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cnf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cnf`
[INFO] [stdout]   --> src/lib.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn solve_cdcl(cnf: &Cnf) -> Result {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cnf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "d9657ca598e2581a2033c1d8ce828138f45299ba7fa73119b722d5c580f1228a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9657ca598e2581a2033c1d8ce828138f45299ba7fa73119b722d5c580f1228a", kill_on_drop: false }`
[INFO] [stdout] d9657ca598e2581a2033c1d8ce828138f45299ba7fa73119b722d5c580f1228a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 896f87e4dc2d93eda8a873dbc4316007d8689a548592cb1e190109b5c33794b1
[INFO] running `Command { std: "docker" "start" "-a" "896f87e4dc2d93eda8a873dbc4316007d8689a548592cb1e190109b5c33794b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `cnf`
[INFO] [stdout] running 3 tests
[INFO] [stderr]   --> src/lib.rs:84:15
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn solve_dpll(cnf: &Cnf) -> Result {
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cnf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cnf`
[INFO] [stderr]   --> src/lib.rs:88:15
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn solve_cdcl(cnf: &Cnf) -> Result {
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cnf`
[INFO] [stderr] 
[INFO] [stderr] warning: `yat` (lib) generated 2 warnings
[INFO] [stderr] warning: `yat` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yat-de7c933a4bec6740)
[INFO] [stdout] test parse::parse_dimacs_test ... ok
[INFO] [stdout] test parse::parse_algorithm_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/app-f3bf131e7610f113)
[INFO] [stdout] test parse::parse_algorithm_panic_test - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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]      Running tests/naive_test.rs (/opt/rustwide/target/debug/deps/naive_test-331ec6261a36538b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yat
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_naive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "896f87e4dc2d93eda8a873dbc4316007d8689a548592cb1e190109b5c33794b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896f87e4dc2d93eda8a873dbc4316007d8689a548592cb1e190109b5c33794b1", kill_on_drop: false }`
[INFO] [stdout] 896f87e4dc2d93eda8a873dbc4316007d8689a548592cb1e190109b5c33794b1