[INFO] fetching crate header-vec 0.1.2...
[INFO] testing header-vec-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate header-vec 0.1.2 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate header-vec 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-50/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a99b6b758d6934f076512f33e82a7eea51b94dbcc17151d94ad2a58d79eafa02
[INFO] running `Command { std: "docker" "start" "-a" "a99b6b758d6934f076512f33e82a7eea51b94dbcc17151d94ad2a58d79eafa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a99b6b758d6934f076512f33e82a7eea51b94dbcc17151d94ad2a58d79eafa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99b6b758d6934f076512f33e82a7eea51b94dbcc17151d94ad2a58d79eafa02", kill_on_drop: false }`
[INFO] [stdout] a99b6b758d6934f076512f33e82a7eea51b94dbcc17151d94ad2a58d79eafa02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37ee8618ee819cfb4a7044cf9b7db100e33396655654575bf4d8a1bae5996d02
[INFO] running `Command { std: "docker" "start" "-a" "37ee8618ee819cfb4a7044cf9b7db100e33396655654575bf4d8a1bae5996d02", 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 2.33s
[INFO] running `Command { std: "docker" "inspect" "37ee8618ee819cfb4a7044cf9b7db100e33396655654575bf4d8a1bae5996d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ee8618ee819cfb4a7044cf9b7db100e33396655654575bf4d8a1bae5996d02", kill_on_drop: false }`
[INFO] [stdout] 37ee8618ee819cfb4a7044cf9b7db100e33396655654575bf4d8a1bae5996d02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be7b1a61c1a31e49c4a0c05b9273c210aab5fc5610431cef21139b681aa568d2
[INFO] running `Command { std: "docker" "start" "-a" "be7b1a61c1a31e49c4a0c05b9273c210aab5fc5610431cef21139b681aa568d2", 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "be7b1a61c1a31e49c4a0c05b9273c210aab5fc5610431cef21139b681aa568d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7b1a61c1a31e49c4a0c05b9273c210aab5fc5610431cef21139b681aa568d2", kill_on_drop: false }`
[INFO] [stdout] be7b1a61c1a31e49c4a0c05b9273c210aab5fc5610431cef21139b681aa568d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b7a3dac6e8252bd08f96d974ea5ff2df55e7115446a98e4b95699e682b644e1
[INFO] running `Command { std: "docker" "start" "-a" "1b7a3dac6e8252bd08f96d974ea5ff2df55e7115446a98e4b95699e682b644e1", 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 0.20s
[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 0.00s
[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 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b7a3dac6e8252bd08f96d974ea5ff2df55e7115446a98e4b95699e682b644e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7a3dac6e8252bd08f96d974ea5ff2df55e7115446a98e4b95699e682b644e1", kill_on_drop: false }`
[INFO] [stdout] 1b7a3dac6e8252bd08f96d974ea5ff2df55e7115446a98e4b95699e682b644e1