[INFO] cloning repository https://github.com/eriksvedang/UnifierInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eriksvedang/UnifierInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feriksvedang%2FUnifierInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feriksvedang%2FUnifierInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1046fadca4a7452538b4437bc5d796e657d338f9
[INFO] testing eriksvedang/UnifierInRust against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feriksvedang%2FUnifierInRust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eriksvedang/UnifierInRust on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eriksvedang/UnifierInRust
[INFO] finished tweaking git repo https://github.com/eriksvedang/UnifierInRust
[INFO] tweaked toml for git repo https://github.com/eriksvedang/UnifierInRust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eriksvedang/UnifierInRust 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8500ade3c617e8412adfc7fa04177f772e3c741cc5eb60cc071022eb10604e5f
[INFO] running `Command { std: "docker" "start" "-a" "8500ade3c617e8412adfc7fa04177f772e3c741cc5eb60cc071022eb10604e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8500ade3c617e8412adfc7fa04177f772e3c741cc5eb60cc071022eb10604e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8500ade3c617e8412adfc7fa04177f772e3c741cc5eb60cc071022eb10604e5f", kill_on_drop: false }`
[INFO] [stdout] 8500ade3c617e8412adfc7fa04177f772e3c741cc5eb60cc071022eb10604e5f
[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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44936a1aacd0f4725a831c692973baa7e1d5c1a7975060f75e39bfa441053c2e
[INFO] running `Command { std: "docker" "start" "-a" "44936a1aacd0f4725a831c692973baa7e1d5c1a7975060f75e39bfa441053c2e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling unifier_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]   --> src/main.rs:59:55
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 write!(f, "[{}]", expressions_strings.connect(", "))
[INFO] [stdout]    |                                                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 59 -                 write!(f, "[{}]", expressions_strings.connect(", "))
[INFO] [stdout] 59 +                 write!(f, "[{}]", expressions_strings.join(", "))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]    --> src/main.rs:111:41
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let all_bindings = bindings_strings.connect(", ");
[INFO] [stdout]     |                                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 111 -     let all_bindings = bindings_strings.connect(", ");
[INFO] [stdout] 111 +     let all_bindings = bindings_strings.join(", ");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "44936a1aacd0f4725a831c692973baa7e1d5c1a7975060f75e39bfa441053c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44936a1aacd0f4725a831c692973baa7e1d5c1a7975060f75e39bfa441053c2e", kill_on_drop: false }`
[INFO] [stdout] 44936a1aacd0f4725a831c692973baa7e1d5c1a7975060f75e39bfa441053c2e
[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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86aef1e7a9ec43ff717e7fc9fa8c20a1b700b1f649a16cbc13c93e71f86938ba
[INFO] running `Command { std: "docker" "start" "-a" "86aef1e7a9ec43ff717e7fc9fa8c20a1b700b1f649a16cbc13c93e71f86938ba", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling unifier_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]   --> src/main.rs:59:55
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 write!(f, "[{}]", expressions_strings.connect(", "))
[INFO] [stdout]    |                                                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 59 -                 write!(f, "[{}]", expressions_strings.connect(", "))
[INFO] [stdout] 59 +                 write!(f, "[{}]", expressions_strings.join(", "))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]    --> src/main.rs:111:41
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let all_bindings = bindings_strings.connect(", ");
[INFO] [stdout]     |                                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 111 -     let all_bindings = bindings_strings.connect(", ");
[INFO] [stdout] 111 +     let all_bindings = bindings_strings.join(", ");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "86aef1e7a9ec43ff717e7fc9fa8c20a1b700b1f649a16cbc13c93e71f86938ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86aef1e7a9ec43ff717e7fc9fa8c20a1b700b1f649a16cbc13c93e71f86938ba", kill_on_drop: false }`
[INFO] [stdout] 86aef1e7a9ec43ff717e7fc9fa8c20a1b700b1f649a16cbc13c93e71f86938ba
[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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be7f509a725b451d9a31ce724fccc870cd96fab454ac0639e257a5749d244ae9
[INFO] running `Command { std: "docker" "start" "-a" "be7f509a725b451d9a31ce724fccc870cd96fab454ac0639e257a5749d244ae9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stderr]   --> src/main.rs:59:55
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 write!(f, "[{}]", expressions_strings.connect(", "))
[INFO] [stderr]    |                                                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]    |
[INFO] [stderr] 59 -                 write!(f, "[{}]", expressions_strings.connect(", "))
[INFO] [stderr] 59 +                 write!(f, "[{}]", expressions_strings.join(", "))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stderr]    --> src/main.rs:111:41
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let all_bindings = bindings_strings.connect(", ");
[INFO] [stderr]     |                                         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]     |
[INFO] [stderr] 111 -     let all_bindings = bindings_strings.connect(", ");
[INFO] [stderr] 111 +     let all_bindings = bindings_strings.join(", ");
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `unifier_in_rust` (bin "unifier_in_rust" test) generated 2 warnings (run `cargo fix --bin "unifier_in_rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unifier_in_rust-6dcdc5721af42391)
[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" "be7f509a725b451d9a31ce724fccc870cd96fab454ac0639e257a5749d244ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7f509a725b451d9a31ce724fccc870cd96fab454ac0639e257a5749d244ae9", kill_on_drop: false }`
[INFO] [stdout] be7f509a725b451d9a31ce724fccc870cd96fab454ac0639e257a5749d244ae9