[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feriksvedang%2FUnifierInRust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eriksvedang/UnifierInRust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-11/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: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e85421c6c69e7160f20e690fdad26126979a14785f9eb31b2a5b08d5e4d344f6
[INFO] running `Command { std: "docker" "start" "-a" "e85421c6c69e7160f20e690fdad26126979a14785f9eb31b2a5b08d5e4d344f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e85421c6c69e7160f20e690fdad26126979a14785f9eb31b2a5b08d5e4d344f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85421c6c69e7160f20e690fdad26126979a14785f9eb31b2a5b08d5e4d344f6", kill_on_drop: false }`
[INFO] [stdout] e85421c6c69e7160f20e690fdad26126979a14785f9eb31b2a5b08d5e4d344f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a5cf604a472e44b1fe3c09c3cfa1bfbfb4b06c86dc8fd95fa4d86f44347baf2
[INFO] running `Command { std: "docker" "start" "-a" "2a5cf604a472e44b1fe3c09c3cfa1bfbfb4b06c86dc8fd95fa4d86f44347baf2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unifier_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a5cf604a472e44b1fe3c09c3cfa1bfbfb4b06c86dc8fd95fa4d86f44347baf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5cf604a472e44b1fe3c09c3cfa1bfbfb4b06c86dc8fd95fa4d86f44347baf2", kill_on_drop: false }`
[INFO] [stdout] 2a5cf604a472e44b1fe3c09c3cfa1bfbfb4b06c86dc8fd95fa4d86f44347baf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d62c348726a4a66e9354b02e514c8e3f040419114c9935850787b9486b3bba04
[INFO] running `Command { std: "docker" "start" "-a" "d62c348726a4a66e9354b02e514c8e3f040419114c9935850787b9486b3bba04", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unifier_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.90s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d62c348726a4a66e9354b02e514c8e3f040419114c9935850787b9486b3bba04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62c348726a4a66e9354b02e514c8e3f040419114c9935850787b9486b3bba04", kill_on_drop: false }`
[INFO] [stdout] d62c348726a4a66e9354b02e514c8e3f040419114c9935850787b9486b3bba04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9ca8d6c5815f31f4ab20dc65ac5810baef709d672f7c8dd70719761647bcdbf
[INFO] running `Command { std: "docker" "start" "-a" "c9ca8d6c5815f31f4ab20dc65ac5810baef709d672f7c8dd70719761647bcdbf", 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] [stderr] warning: use of deprecated associated function `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] 
[INFO] [stderr] warning: use of deprecated associated function `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] warning: `unifier_in_rust` (bin "unifier_in_rust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unifier_in_rust-78287e1100e4c0a3)
[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" "c9ca8d6c5815f31f4ab20dc65ac5810baef709d672f7c8dd70719761647bcdbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ca8d6c5815f31f4ab20dc65ac5810baef709d672f7c8dd70719761647bcdbf", kill_on_drop: false }`
[INFO] [stdout] c9ca8d6c5815f31f4ab20dc65ac5810baef709d672f7c8dd70719761647bcdbf