[INFO] cloning repository https://github.com/quigley-c/huffman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quigley-c/huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquigley-c%2Fhuffman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquigley-c%2Fhuffman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39ac08154aedcdd12f3f8f39320283f7212538a1
[INFO] testing quigley-c/huffman against beta-2025-01-12 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquigley-c%2Fhuffman" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quigley-c/huffman on toolchain beta-2025-01-12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quigley-c/huffman
[INFO] finished tweaking git repo https://github.com/quigley-c/huffman
[INFO] tweaked toml for git repo https://github.com/quigley-c/huffman written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/quigley-c/huffman 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-2025-01-12" "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 quigley-c/huffman against beta-2025-01-12 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquigley-c%2Fhuffman" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quigley-c/huffman on toolchain beta-2025-01-12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quigley-c/huffman
[INFO] finished tweaking git repo https://github.com/quigley-c/huffman
[INFO] tweaked toml for git repo https://github.com/quigley-c/huffman written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/quigley-c/huffman 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-2025-01-12" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aff8fde52a321014412a1266a0e4a98651c1afab85d7c8f9ff37fbe3d855e3f
[INFO] running `Command { std: "docker" "start" "-a" "1aff8fde52a321014412a1266a0e4a98651c1afab85d7c8f9ff37fbe3d855e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aff8fde52a321014412a1266a0e4a98651c1afab85d7c8f9ff37fbe3d855e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aff8fde52a321014412a1266a0e4a98651c1afab85d7c8f9ff37fbe3d855e3f", kill_on_drop: false }`
[INFO] [stdout] 1aff8fde52a321014412a1266a0e4a98651c1afab85d7c8f9ff37fbe3d855e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 812c4636f4591f908eecb31f1d27403479e14f2ef2328598f71a1ae8d489db94
[INFO] running `Command { std: "docker" "start" "-a" "812c4636f4591f908eecb31f1d27403479e14f2ef2328598f71a1ae8d489db94", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling regex v1.11.0
[INFO] [stderr]    Compiling huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `to` and `val` are never read
[INFO] [stdout]   --> src/binary_heap.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Edge {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 9  |     pub from: usize,
[INFO] [stdout] 10 |     pub to: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 11 |     pub val: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Edge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "812c4636f4591f908eecb31f1d27403479e14f2ef2328598f71a1ae8d489db94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812c4636f4591f908eecb31f1d27403479e14f2ef2328598f71a1ae8d489db94", kill_on_drop: false }`
[INFO] [stdout] 812c4636f4591f908eecb31f1d27403479e14f2ef2328598f71a1ae8d489db94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54838a5f637fce529d96e5bc0e43304a134c394898412fe0c8e00a13eca4e6e0
[INFO] running `Command { std: "docker" "start" "-a" "54838a5f637fce529d96e5bc0e43304a134c394898412fe0c8e00a13eca4e6e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `to` and `val` are never read
[INFO] [stdout]   --> src/binary_heap.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Edge {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 9  |     pub from: usize,
[INFO] [stdout] 10 |     pub to: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 11 |     pub val: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Edge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "54838a5f637fce529d96e5bc0e43304a134c394898412fe0c8e00a13eca4e6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54838a5f637fce529d96e5bc0e43304a134c394898412fe0c8e00a13eca4e6e0", kill_on_drop: false }`
[INFO] [stdout] 54838a5f637fce529d96e5bc0e43304a134c394898412fe0c8e00a13eca4e6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02d93f8ad211493ca1ef8c215a2d6045af7d5a81ab45307b439bd5888f7f52cd
[INFO] running `Command { std: "docker" "start" "-a" "02d93f8ad211493ca1ef8c215a2d6045af7d5a81ab45307b439bd5888f7f52cd", kill_on_drop: false }`
[INFO] [stderr] warning: fields `to` and `val` are never read
[INFO] [stderr]   --> src/binary_heap.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct Edge {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 9  |     pub from: usize,
[INFO] [stderr] 10 |     pub to: usize,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 11 |     pub val: usize,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Edge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `huffman` (bin "huffman" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/huffman-f92123cc2aaf4479)
[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" "02d93f8ad211493ca1ef8c215a2d6045af7d5a81ab45307b439bd5888f7f52cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d93f8ad211493ca1ef8c215a2d6045af7d5a81ab45307b439bd5888f7f52cd", kill_on_drop: false }`
[INFO] [stdout] 02d93f8ad211493ca1ef8c215a2d6045af7d5a81ab45307b439bd5888f7f52cd