[INFO] fetching crate arg_combinators 0.6.0...
[INFO] testing arg_combinators-0.6.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate arg_combinators 0.6.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate arg_combinators 0.6.0 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 arg_combinators 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arg_combinators 0.6.0
[INFO] tweaked toml for crates.io crate arg_combinators 0.6.0 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 8f4b49b5c6bff806a291ce0a97f0ddd9042730ef85a95fd0cdede3c813ba1923
[INFO] running `Command { std: "docker" "start" "-a" "8f4b49b5c6bff806a291ce0a97f0ddd9042730ef85a95fd0cdede3c813ba1923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4b49b5c6bff806a291ce0a97f0ddd9042730ef85a95fd0cdede3c813ba1923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4b49b5c6bff806a291ce0a97f0ddd9042730ef85a95fd0cdede3c813ba1923", kill_on_drop: false }`
[INFO] [stdout] 8f4b49b5c6bff806a291ce0a97f0ddd9042730ef85a95fd0cdede3c813ba1923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 0861c648036b65e308965f9a5425a1c5eb603e302a0b0622f08ce046c128d549
[INFO] running `Command { std: "docker" "start" "-a" "0861c648036b65e308965f9a5425a1c5eb603e302a0b0622f08ce046c128d549", 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] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling arg_combinators v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "0861c648036b65e308965f9a5425a1c5eb603e302a0b0622f08ce046c128d549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0861c648036b65e308965f9a5425a1c5eb603e302a0b0622f08ce046c128d549", kill_on_drop: false }`
[INFO] [stdout] 0861c648036b65e308965f9a5425a1c5eb603e302a0b0622f08ce046c128d549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 21c879d8ba3fd8e48c9998ad445729d73448ecef91c027bd8b5083036446b5a6
[INFO] running `Command { std: "docker" "start" "-a" "21c879d8ba3fd8e48c9998ad445729d73448ecef91c027bd8b5083036446b5a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg_combinators v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]  --> examples/dimensions.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Window { width: u32, height: u32 },
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]  --> examples/dimensions.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Window { width: u32, height: u32 },
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "21c879d8ba3fd8e48c9998ad445729d73448ecef91c027bd8b5083036446b5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c879d8ba3fd8e48c9998ad445729d73448ecef91c027bd8b5083036446b5a6", kill_on_drop: false }`
[INFO] [stdout] 21c879d8ba3fd8e48c9998ad445729d73448ecef91c027bd8b5083036446b5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 8eae1138f8d94831bea63f2f0edd6739ef0c69b29b8071ad24060c47ccdd94d3
[INFO] running `Command { std: "docker" "start" "-a" "8eae1138f8d94831bea63f2f0edd6739ef0c69b29b8071ad24060c47ccdd94d3", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]  --> examples/dimensions.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Window { width: u32, height: u32 },
[INFO] [stderr]   |              ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]  --> examples/dimensions.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Window { width: u32, height: u32 },
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `arg_combinators` (example "dimensions") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arg_combinators-457e8cf512c0a676)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::args_all_depend ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::deep_recursion ... ok
[INFO] [stdout] test tests::basic_macros ... ok
[INFO] [stdout] test tests::validation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arg_combinators
[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" "8eae1138f8d94831bea63f2f0edd6739ef0c69b29b8071ad24060c47ccdd94d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eae1138f8d94831bea63f2f0edd6739ef0c69b29b8071ad24060c47ccdd94d3", kill_on_drop: false }`
[INFO] [stdout] 8eae1138f8d94831bea63f2f0edd6739ef0c69b29b8071ad24060c47ccdd94d3