[INFO] cloning repository https://github.com/jmadkins/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmadkins/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmadkins%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmadkins%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5789b39725a73af22ff69e1f4d3a518637dfa964
[INFO] testing jmadkins/learning-rust against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmadkins%2Flearning-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmadkins/learning-rust on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmadkins/learning-rust
[INFO] finished tweaking git repo https://github.com/jmadkins/learning-rust
[INFO] tweaked toml for git repo https://github.com/jmadkins/learning-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jmadkins/learning-rust 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" "+beta-2025-04-13" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing jmadkins/learning-rust against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmadkins%2Flearning-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmadkins/learning-rust on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmadkins/learning-rust
[INFO] finished tweaking git repo https://github.com/jmadkins/learning-rust
[INFO] tweaked toml for git repo https://github.com/jmadkins/learning-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jmadkins/learning-rust 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" "+beta-2025-04-13" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa92e5b36c01ee3e57cede22dd82e2ec9ff74f89b92ce3817d9b9ebf3261e15d
[INFO] running `Command { std: "docker" "start" "-a" "fa92e5b36c01ee3e57cede22dd82e2ec9ff74f89b92ce3817d9b9ebf3261e15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa92e5b36c01ee3e57cede22dd82e2ec9ff74f89b92ce3817d9b9ebf3261e15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa92e5b36c01ee3e57cede22dd82e2ec9ff74f89b92ce3817d9b9ebf3261e15d", kill_on_drop: false }`
[INFO] [stdout] fa92e5b36c01ee3e57cede22dd82e2ec9ff74f89b92ce3817d9b9ebf3261e15d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c315cb236c9c5de99a9d6454f7ad61830bf586cfdf1ea05d8b88ea4dc26f6720
[INFO] running `Command { std: "docker" "start" "-a" "c315cb236c9c5de99a9d6454f7ad61830bf586cfdf1ea05d8b88ea4dc26f6720", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `closer`
[INFO] [stdout]   --> src/person.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Status::Closed { closer, id } => println!("Closed"),
[INFO] [stdout]    |                              ^^^^^^ help: try ignoring the field: `closer: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/person.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Status::Closed { closer, id } => println!("Closed"),
[INFO] [stdout]    |                                      ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `something_cool` is never used
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn something_cool(dave: &mut Person) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "c315cb236c9c5de99a9d6454f7ad61830bf586cfdf1ea05d8b88ea4dc26f6720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c315cb236c9c5de99a9d6454f7ad61830bf586cfdf1ea05d8b88ea4dc26f6720", kill_on_drop: false }`
[INFO] [stdout] c315cb236c9c5de99a9d6454f7ad61830bf586cfdf1ea05d8b88ea4dc26f6720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 157b49a1ad16d8189e9c2540763049cc5517034426781e3edd95549ca00028f0
[INFO] running `Command { std: "docker" "start" "-a" "157b49a1ad16d8189e9c2540763049cc5517034426781e3edd95549ca00028f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `closer`
[INFO] [stdout]   --> src/person.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Status::Closed { closer, id } => println!("Closed"),
[INFO] [stdout]    |                              ^^^^^^ help: try ignoring the field: `closer: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/person.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Status::Closed { closer, id } => println!("Closed"),
[INFO] [stdout]    |                                      ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `something_cool` is never used
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn something_cool(dave: &mut Person) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "157b49a1ad16d8189e9c2540763049cc5517034426781e3edd95549ca00028f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157b49a1ad16d8189e9c2540763049cc5517034426781e3edd95549ca00028f0", kill_on_drop: false }`
[INFO] [stdout] 157b49a1ad16d8189e9c2540763049cc5517034426781e3edd95549ca00028f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3b9f93da2dbe09d45815853c118197cebd2c7393ec5d305ad5f6c794bbdc431
[INFO] running `Command { std: "docker" "start" "-a" "d3b9f93da2dbe09d45815853c118197cebd2c7393ec5d305ad5f6c794bbdc431", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `closer`
[INFO] [stderr]   --> src/person.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Status::Closed { closer, id } => println!("Closed"),
[INFO] [stderr]    |                              ^^^^^^ help: try ignoring the field: `closer: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/person.rs:37:38
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Status::Closed { closer, id } => println!("Closed"),
[INFO] [stderr]    |                                      ^^ help: try ignoring the field: `id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: function `something_cool` is never used
[INFO] [stderr]   --> src/main.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn something_cool(dave: &mut Person) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_world` (bin "hello_world" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-5be2d851a05cd5ee)
[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" "d3b9f93da2dbe09d45815853c118197cebd2c7393ec5d305ad5f6c794bbdc431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b9f93da2dbe09d45815853c118197cebd2c7393ec5d305ad5f6c794bbdc431", kill_on_drop: false }`
[INFO] [stdout] d3b9f93da2dbe09d45815853c118197cebd2c7393ec5d305ad5f6c794bbdc431