[INFO] cloning repository https://github.com/hjmkt/rfol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hjmkt/rfol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjmkt%2Frfol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjmkt%2Frfol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99307248b60ce5aa66ec93ee98c65b8736cdcbe0
[INFO] testing hjmkt/rfol against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjmkt%2Frfol" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hjmkt/rfol
[INFO] finished tweaking git repo https://github.com/hjmkt/rfol
[INFO] tweaked toml for git repo https://github.com/hjmkt/rfol written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hjmkt/rfol on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hjmkt/rfol 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_matches v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 235bce49f6b51804ff302eb6469aa0ed9b0ad78b25423f7c63596ccb553a77c0
[INFO] running `Command { std: "docker" "start" "-a" "235bce49f6b51804ff302eb6469aa0ed9b0ad78b25423f7c63596ccb553a77c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "235bce49f6b51804ff302eb6469aa0ed9b0ad78b25423f7c63596ccb553a77c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235bce49f6b51804ff302eb6469aa0ed9b0ad78b25423f7c63596ccb553a77c0", kill_on_drop: false }`
[INFO] [stdout] 235bce49f6b51804ff302eb6469aa0ed9b0ad78b25423f7c63596ccb553a77c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d193290e090ba13fd2768ede11e989e6824fcff7bf8991978d7fdcd4c35aa795
[INFO] running `Command { std: "docker" "start" "-a" "d193290e090ba13fd2768ede11e989e6824fcff7bf8991978d7fdcd4c35aa795", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling assert_matches v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rfol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `last` is never used
[INFO] [stdout]    --> src/proof.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl LK {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] 109 |     pub fn last(&self) -> &Sequent {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Proof` is never used
[INFO] [stdout]    --> src/proof.rs:330:11
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub trait Proof {
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "d193290e090ba13fd2768ede11e989e6824fcff7bf8991978d7fdcd4c35aa795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d193290e090ba13fd2768ede11e989e6824fcff7bf8991978d7fdcd4c35aa795", kill_on_drop: false }`
[INFO] [stdout] d193290e090ba13fd2768ede11e989e6824fcff7bf8991978d7fdcd4c35aa795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 278fdfdf90f1c205edaa9a07254d179d3b523fcea6c07074485aeb26ee438757
[INFO] running `Command { std: "docker" "start" "-a" "278fdfdf90f1c205edaa9a07254d179d3b523fcea6c07074485aeb26ee438757", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `last` is never used
[INFO] [stdout]    --> src/proof.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl LK {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] 109 |     pub fn last(&self) -> &Sequent {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Proof` is never used
[INFO] [stdout]    --> src/proof.rs:330:11
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub trait Proof {
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "278fdfdf90f1c205edaa9a07254d179d3b523fcea6c07074485aeb26ee438757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278fdfdf90f1c205edaa9a07254d179d3b523fcea6c07074485aeb26ee438757", kill_on_drop: false }`
[INFO] [stdout] 278fdfdf90f1c205edaa9a07254d179d3b523fcea6c07074485aeb26ee438757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 66beb75774200c15e3b86193fa398ec5db76b640f859b5618d6ee785bd0145f3
[INFO] running `Command { std: "docker" "start" "-a" "66beb75774200c15e3b86193fa398ec5db76b640f859b5618d6ee785bd0145f3", kill_on_drop: false }`
[INFO] [stderr] warning: method `last` is never used
[INFO] [stderr]    --> src/proof.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 108 | impl LK {
[INFO] [stderr]     | ------- method in this implementation
[INFO] [stderr] 109 |     pub fn last(&self) -> &Sequent {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Proof` is never used
[INFO] [stderr]    --> src/proof.rs:330:11
[INFO] [stderr]     |
[INFO] [stderr] 330 | pub trait Proof {
[INFO] [stderr]     |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rfol` (bin "rfol" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rfol-4f3e13c382246aea)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test get_funcs_works ... ok
[INFO] [stdout] test get_preds_works ... ok
[INFO] [stdout] test finite_model_evaluate_works ... ok
[INFO] [stdout] test get_subterms_works ... ok
[INFO] [stdout] test parser_works ... ok
[INFO] [stdout] test tokenizer_works ... ok
[INFO] [stdout] test var_group_works ... ok
[INFO] [stdout] test lk_inference_rule_works ... ok
[INFO] [stdout] test refute_on_finite_models_works ... ok
[INFO] [stdout] test prove_with_lk_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rfol-cd1c74cec13f8668)
[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" "66beb75774200c15e3b86193fa398ec5db76b640f859b5618d6ee785bd0145f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66beb75774200c15e3b86193fa398ec5db76b640f859b5618d6ee785bd0145f3", kill_on_drop: false }`
[INFO] [stdout] 66beb75774200c15e3b86193fa398ec5db76b640f859b5618d6ee785bd0145f3