[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[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 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 128e850a19f2e726aac5aa77094cca18b15ae5732d29da3fcb52215b4cdc842c
[INFO] running `Command { std: "docker" "start" "-a" "128e850a19f2e726aac5aa77094cca18b15ae5732d29da3fcb52215b4cdc842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "128e850a19f2e726aac5aa77094cca18b15ae5732d29da3fcb52215b4cdc842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128e850a19f2e726aac5aa77094cca18b15ae5732d29da3fcb52215b4cdc842c", kill_on_drop: false }`
[INFO] [stdout] 128e850a19f2e726aac5aa77094cca18b15ae5732d29da3fcb52215b4cdc842c
[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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1239fe05c14776475a52893ff00aeca37fd8d7eb986989263fcdbc01b6c0463
[INFO] running `Command { std: "docker" "start" "-a" "c1239fe05c14776475a52893ff00aeca37fd8d7eb986989263fcdbc01b6c0463", kill_on_drop: false }`
[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 13.60s
[INFO] running `Command { std: "docker" "inspect" "c1239fe05c14776475a52893ff00aeca37fd8d7eb986989263fcdbc01b6c0463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1239fe05c14776475a52893ff00aeca37fd8d7eb986989263fcdbc01b6c0463", kill_on_drop: false }`
[INFO] [stdout] c1239fe05c14776475a52893ff00aeca37fd8d7eb986989263fcdbc01b6c0463
[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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a902c146bbd558879cf220506eb385d82b8bc3c8ff9457bbdd47121a8df1604
[INFO] running `Command { std: "docker" "start" "-a" "7a902c146bbd558879cf220506eb385d82b8bc3c8ff9457bbdd47121a8df1604", kill_on_drop: false }`
[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 0.57s
[INFO] running `Command { std: "docker" "inspect" "7a902c146bbd558879cf220506eb385d82b8bc3c8ff9457bbdd47121a8df1604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a902c146bbd558879cf220506eb385d82b8bc3c8ff9457bbdd47121a8df1604", kill_on_drop: false }`
[INFO] [stdout] 7a902c146bbd558879cf220506eb385d82b8bc3c8ff9457bbdd47121a8df1604
[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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5df0ede63d5f802fa96c937976cf6fa06b5fc33cef321179a70b55a1e2a6f9f
[INFO] running `Command { std: "docker" "start" "-a" "d5df0ede63d5f802fa96c937976cf6fa06b5fc33cef321179a70b55a1e2a6f9f", 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 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rebella-3f41e44e2066433f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::unify_test ... ok
[INFO] [stdout] test tests::nonunify_test ... ok
[INFO] [stdout] test tests::term_display ... 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" "d5df0ede63d5f802fa96c937976cf6fa06b5fc33cef321179a70b55a1e2a6f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5df0ede63d5f802fa96c937976cf6fa06b5fc33cef321179a70b55a1e2a6f9f", kill_on_drop: false }`
[INFO] [stdout] d5df0ede63d5f802fa96c937976cf6fa06b5fc33cef321179a70b55a1e2a6f9f