[INFO] cloning repository https://github.com/psatomas/vectors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psatomas/vectors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fvectors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fvectors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3962e4dd183faf85bfa256fb6a3ed49099b74497
[INFO] testing psatomas/vectors against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fvectors" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/vectors
[INFO] finished tweaking git repo https://github.com/psatomas/vectors
[INFO] tweaked toml for git repo https://github.com/psatomas/vectors written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/vectors on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/vectors 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-2025-09-21" "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 psatomas/vectors against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fvectors" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/vectors
[INFO] finished tweaking git repo https://github.com/psatomas/vectors
[INFO] tweaked toml for git repo https://github.com/psatomas/vectors written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/vectors on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/vectors 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-2025-09-21" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca94ef5436d3af6b57abe123c04ac7a87ec8ea0628697e26810140198ec422d3
[INFO] running `Command { std: "docker" "start" "-a" "ca94ef5436d3af6b57abe123c04ac7a87ec8ea0628697e26810140198ec422d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca94ef5436d3af6b57abe123c04ac7a87ec8ea0628697e26810140198ec422d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca94ef5436d3af6b57abe123c04ac7a87ec8ea0628697e26810140198ec422d3", kill_on_drop: false }`
[INFO] [stdout] ca94ef5436d3af6b57abe123c04ac7a87ec8ea0628697e26810140198ec422d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 109a6f5d0aa408b0aa7c0028f10c31e947183ddc76eb80a89d370d9e3c10f95f
[INFO] running `Command { std: "docker" "start" "-a" "109a6f5d0aa408b0aa7c0028f10c31e947183ddc76eb80a89d370d9e3c10f95f", kill_on_drop: false }`
[INFO] [stderr]    Compiling vectors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pizza_diameters`
[INFO] [stdout]  --> src/bin/reading_vector_elements.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let pizza_diameters = vec![8, 10, 12, 14];
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pizza_diameters`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/bin/coding_challenge.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct File {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `File` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/bin/coding_challenge.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Folder {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Folder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "109a6f5d0aa408b0aa7c0028f10c31e947183ddc76eb80a89d370d9e3c10f95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109a6f5d0aa408b0aa7c0028f10c31e947183ddc76eb80a89d370d9e3c10f95f", kill_on_drop: false }`
[INFO] [stdout] 109a6f5d0aa408b0aa7c0028f10c31e947183ddc76eb80a89d370d9e3c10f95f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a092046cc4989b9f7a53ce69778bbbb08d544f42fdf73a1e0655ee98877f53a8
[INFO] running `Command { std: "docker" "start" "-a" "a092046cc4989b9f7a53ce69778bbbb08d544f42fdf73a1e0655ee98877f53a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling vectors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pizza_diameters`
[INFO] [stdout]  --> src/bin/reading_vector_elements.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let pizza_diameters = vec![8, 10, 12, 14];
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pizza_diameters`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/bin/coding_challenge.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct File {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `File` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/bin/coding_challenge.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Folder {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Folder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "a092046cc4989b9f7a53ce69778bbbb08d544f42fdf73a1e0655ee98877f53a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a092046cc4989b9f7a53ce69778bbbb08d544f42fdf73a1e0655ee98877f53a8", kill_on_drop: false }`
[INFO] [stdout] a092046cc4989b9f7a53ce69778bbbb08d544f42fdf73a1e0655ee98877f53a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e27016b7bc44be9da55d1b72e4cdc36c7b836414fae3f543783bef46de699e12
[INFO] running `Command { std: "docker" "start" "-a" "e27016b7bc44be9da55d1b72e4cdc36c7b836414fae3f543783bef46de699e12", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/bin/coding_challenge.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct File {
[INFO] [stderr]   |        ---- field in this struct
[INFO] [stderr] 3 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `File` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/bin/coding_challenge.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Folder {
[INFO] [stderr]   |        ------ field in this struct
[INFO] [stderr] 8 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Folder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `vectors` (bin "coding_challenge" test) generated 2 warnings
[INFO] [stderr] warning: unused variable: `pizza_diameters`
[INFO] [stderr]  --> src/bin/reading_vector_elements.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let pizza_diameters = vec![8, 10, 12, 14];
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pizza_diameters`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vectors` (bin "reading_vector_elements" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/bin/adding_and_removing_elements.rs (/opt/rustwide/target/debug/deps/adding_and_removing_elements-b3644a2f08ee7bc2)
[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] [stderr]      Running unittests src/bin/coding_challenge.rs (/opt/rustwide/target/debug/deps/coding_challenge-911881941cd1cc38)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/create_a_vector.rs (/opt/rustwide/target/debug/deps/create_a_vector-355d362e23cbed80)
[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] [stderr]      Running unittests src/bin/ownership_with_vectors.rs (/opt/rustwide/target/debug/deps/ownership_with_vectors-591e9f658ea462ed)
[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] [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] [stderr]      Running unittests src/bin/reading_vector_elements.rs (/opt/rustwide/target/debug/deps/reading_vector_elements-47da8807a0dc78a2)
[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] [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] [stderr]      Running unittests src/bin/the_get_method.rs (/opt/rustwide/target/debug/deps/the_get_method-dbef64aa0e812625)
[INFO] [stderr]      Running unittests src/bin/vector_capacity_behind_the_scenes.rs (/opt/rustwide/target/debug/deps/vector_capacity_behind_the_scenes-4810b0144be5d3d8)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vectors-e6fcacdce227db84)
[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] [stderr]      Running unittests src/bin/writing_vector_elements.rs (/opt/rustwide/target/debug/deps/writing_vector_elements-a51f68406834f99f)
[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" "e27016b7bc44be9da55d1b72e4cdc36c7b836414fae3f543783bef46de699e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27016b7bc44be9da55d1b72e4cdc36c7b836414fae3f543783bef46de699e12", kill_on_drop: false }`
[INFO] [stdout] e27016b7bc44be9da55d1b72e4cdc36c7b836414fae3f543783bef46de699e12