[INFO] fetching crate header-vec 0.1.2...
[INFO] testing header-vec-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate header-vec 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate header-vec 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-3/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" "+beta-2022-04-10" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 404dcf8dc22e4c85b0677075b623953aaab1f95a7a2e4fe02da0c77957137e3c
[INFO] running `Command { std: "docker" "start" "-a" "404dcf8dc22e4c85b0677075b623953aaab1f95a7a2e4fe02da0c77957137e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "404dcf8dc22e4c85b0677075b623953aaab1f95a7a2e4fe02da0c77957137e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404dcf8dc22e4c85b0677075b623953aaab1f95a7a2e4fe02da0c77957137e3c", kill_on_drop: false }`
[INFO] [stdout] 404dcf8dc22e4c85b0677075b623953aaab1f95a7a2e4fe02da0c77957137e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1a57ab14ad6a6e35c2ac642a11dfbb36630a324abb9b4d691321a8625eda4e9
[INFO] running `Command { std: "docker" "start" "-a" "e1a57ab14ad6a6e35c2ac642a11dfbb36630a324abb9b4d691321a8625eda4e9", 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 1.58s
[INFO] running `Command { std: "docker" "inspect" "e1a57ab14ad6a6e35c2ac642a11dfbb36630a324abb9b4d691321a8625eda4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a57ab14ad6a6e35c2ac642a11dfbb36630a324abb9b4d691321a8625eda4e9", kill_on_drop: false }`
[INFO] [stdout] e1a57ab14ad6a6e35c2ac642a11dfbb36630a324abb9b4d691321a8625eda4e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d5b96919eec437ef23b2edc3d85b2e3664e25e39f4e36180668243340bbf18
[INFO] running `Command { std: "docker" "start" "-a" "a6d5b96919eec437ef23b2edc3d85b2e3664e25e39f4e36180668243340bbf18", 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] note: `OurHeaderType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> examples/doc_example.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/header_vec-fa2c4df53dab7dbe)
[INFO] [stderr]   Executable tests/simple.rs (/opt/rustwide/target/debug/deps/simple-6a69317ceb3f2391)
[INFO] running `Command { std: "docker" "inspect" "a6d5b96919eec437ef23b2edc3d85b2e3664e25e39f4e36180668243340bbf18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d5b96919eec437ef23b2edc3d85b2e3664e25e39f4e36180668243340bbf18", kill_on_drop: false }`
[INFO] [stdout] a6d5b96919eec437ef23b2edc3d85b2e3664e25e39f4e36180668243340bbf18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1a5e70b5c8516ddfeb62d5716cc5815b8a8be1f266d893cd55844956ecd1972
[INFO] running `Command { std: "docker" "start" "-a" "e1a5e70b5c8516ddfeb62d5716cc5815b8a8be1f266d893cd55844956ecd1972", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stdout] 
[INFO] [stderr]  --> examples/doc_example.rs:6:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 6 |     a: usize,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `OurHeaderType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> examples/doc_example.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `header-vec` (example "doc_example") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/header_vec-fa2c4df53dab7dbe)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-6a69317ceb3f2391)
[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 0.00s
[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 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1a5e70b5c8516ddfeb62d5716cc5815b8a8be1f266d893cd55844956ecd1972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a5e70b5c8516ddfeb62d5716cc5815b8a8be1f266d893cd55844956ecd1972", kill_on_drop: false }`
[INFO] [stdout] e1a5e70b5c8516ddfeb62d5716cc5815b8a8be1f266d893cd55844956ecd1972