[INFO] cloning repository https://github.com/abella-prover/rebella
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abella-prover/rebella" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabella-prover%2Frebella", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabella-prover%2Frebella'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cf22d6c289a7118d008cc3c6784084b9997f2fc
[INFO] testing abella-prover/rebella against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabella-prover%2Frebella" "/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/abella-prover/rebella on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abella-prover/rebella
[INFO] finished tweaking git repo https://github.com/abella-prover/rebella
[INFO] tweaked toml for git repo https://github.com/abella-prover/rebella written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/abella-prover/rebella already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 internship v0.6.0
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91fc780ad989fd48b25fcf91d3d47a08bb2a815b9d294c91855268c38d321a81
[INFO] running `Command { std: "docker" "start" "-a" "91fc780ad989fd48b25fcf91d3d47a08bb2a815b9d294c91855268c38d321a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91fc780ad989fd48b25fcf91d3d47a08bb2a815b9d294c91855268c38d321a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91fc780ad989fd48b25fcf91d3d47a08bb2a815b9d294c91855268c38d321a81", kill_on_drop: false }`
[INFO] [stdout] 91fc780ad989fd48b25fcf91d3d47a08bb2a815b9d294c91855268c38d321a81
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5612478ed1e66ac3a17ce288ba05756839b09b4297c52cd8175b437efca2d46
[INFO] running `Command { std: "docker" "start" "-a" "b5612478ed1e66ac3a17ce288ba05756839b09b4297c52cd8175b437efca2d46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling internship v0.6.0
[INFO] [stderr]    Compiling rebella v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `var`
[INFO] [stdout]   --> src/main.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn var(v: IStr) -> Term {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.70s
[INFO] running `Command { std: "docker" "inspect" "b5612478ed1e66ac3a17ce288ba05756839b09b4297c52cd8175b437efca2d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5612478ed1e66ac3a17ce288ba05756839b09b4297c52cd8175b437efca2d46", kill_on_drop: false }`
[INFO] [stdout] b5612478ed1e66ac3a17ce288ba05756839b09b4297c52cd8175b437efca2d46
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1429cf49bdb71ad7cc5fc71f33523086060a7e254d6031806219008c924da2f
[INFO] running `Command { std: "docker" "start" "-a" "c1429cf49bdb71ad7cc5fc71f33523086060a7e254d6031806219008c924da2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rebella v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `var`
[INFO] [stdout]   --> src/main.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn var(v: IStr) -> Term {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "c1429cf49bdb71ad7cc5fc71f33523086060a7e254d6031806219008c924da2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1429cf49bdb71ad7cc5fc71f33523086060a7e254d6031806219008c924da2f", kill_on_drop: false }`
[INFO] [stdout] c1429cf49bdb71ad7cc5fc71f33523086060a7e254d6031806219008c924da2f
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89138a4c0164898b9d9fc6c9ae4716a9bb5d89e9cdb0060f0dcf1fab2f2b7c91
[INFO] running `Command { std: "docker" "start" "-a" "89138a4c0164898b9d9fc6c9ae4716a9bb5d89e9cdb0060f0dcf1fab2f2b7c91", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `var`
[INFO] [stderr]   --> src/main.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub fn var(v: IStr) -> Term {
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rebella` (bin "rebella" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rebella-3f41e44e2066433f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::nonunify_test ... ok
[INFO] [stdout] test tests::term_display ... ok
[INFO] [stdout] test tests::unify_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89138a4c0164898b9d9fc6c9ae4716a9bb5d89e9cdb0060f0dcf1fab2f2b7c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89138a4c0164898b9d9fc6c9ae4716a9bb5d89e9cdb0060f0dcf1fab2f2b7c91", kill_on_drop: false }`
[INFO] [stdout] 89138a4c0164898b9d9fc6c9ae4716a9bb5d89e9cdb0060f0dcf1fab2f2b7c91