[INFO] fetching crate header-vec 0.1.2...
[INFO] testing header-vec-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate header-vec 0.1.2 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate header-vec 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate header-vec 0.1.2
[INFO] finished tweaking crates.io crate header-vec 0.1.2
[INFO] tweaked toml for crates.io crate header-vec 0.1.2 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate crates.io crate header-vec 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d02fd3e171c0ec61ce26afa5bfba4315206090f9cd9fc5904ad61d35f19bece5
[INFO] running `Command { std: "docker" "start" "-a" "d02fd3e171c0ec61ce26afa5bfba4315206090f9cd9fc5904ad61d35f19bece5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d02fd3e171c0ec61ce26afa5bfba4315206090f9cd9fc5904ad61d35f19bece5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02fd3e171c0ec61ce26afa5bfba4315206090f9cd9fc5904ad61d35f19bece5", kill_on_drop: false }`
[INFO] [stdout] d02fd3e171c0ec61ce26afa5bfba4315206090f9cd9fc5904ad61d35f19bece5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e18be5b0354e27ed5d2efc5909fd6e0b7c516682571b2be721c93221736ebd
[INFO] running `Command { std: "docker" "start" "-a" "84e18be5b0354e27ed5d2efc5909fd6e0b7c516682571b2be721c93221736ebd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling header-vec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "84e18be5b0354e27ed5d2efc5909fd6e0b7c516682571b2be721c93221736ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e18be5b0354e27ed5d2efc5909fd6e0b7c516682571b2be721c93221736ebd", kill_on_drop: false }`
[INFO] [stdout] 84e18be5b0354e27ed5d2efc5909fd6e0b7c516682571b2be721c93221736ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fbafcf68f288567f9b279cd870f4c2b3ed07b72a070f5580556ecf6f8a900ae
[INFO] running `Command { std: "docker" "start" "-a" "0fbafcf68f288567f9b279cd870f4c2b3ed07b72a070f5580556ecf6f8a900ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling header-vec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> examples/doc_example.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     a: usize,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "0fbafcf68f288567f9b279cd870f4c2b3ed07b72a070f5580556ecf6f8a900ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbafcf68f288567f9b279cd870f4c2b3ed07b72a070f5580556ecf6f8a900ae", kill_on_drop: false }`
[INFO] [stdout] 0fbafcf68f288567f9b279cd870f4c2b3ed07b72a070f5580556ecf6f8a900ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5dc08aede6c57c5dca4401f018b6da7eb6b46d9f359ce3c3b51c8098fae5b2fd
[INFO] running `Command { std: "docker" "start" "-a" "5dc08aede6c57c5dca4401f018b6da7eb6b46d9f359ce3c3b51c8098fae5b2fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]  --> examples/doc_example.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     a: usize,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `header-vec` (example "doc_example") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/header_vec-42428aedbc75eb77)
[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 tests/simple.rs (/opt/rustwide/target/debug/deps/simple-64416f94c9083bf6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_head_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests header-vec
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - HeaderVec (line 43) ... ignored
[INFO] [stdout] test src/lib.rs - HeaderVec (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5dc08aede6c57c5dca4401f018b6da7eb6b46d9f359ce3c3b51c8098fae5b2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc08aede6c57c5dca4401f018b6da7eb6b46d9f359ce3c3b51c8098fae5b2fd", kill_on_drop: false }`
[INFO] [stdout] 5dc08aede6c57c5dca4401f018b6da7eb6b46d9f359ce3c3b51c8098fae5b2fd