[INFO] fetching crate arg_combinators 0.6.0...
[INFO] testing arg_combinators-0.6.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate arg_combinators 0.6.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate arg_combinators 0.6.0 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 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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] cf1b4399e5c0701e6fb6c0805b41672521a5ba49f0e944f32e5ac93018356d0b
[INFO] running `Command { std: "docker" "start" "-a" "cf1b4399e5c0701e6fb6c0805b41672521a5ba49f0e944f32e5ac93018356d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1b4399e5c0701e6fb6c0805b41672521a5ba49f0e944f32e5ac93018356d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1b4399e5c0701e6fb6c0805b41672521a5ba49f0e944f32e5ac93018356d0b", kill_on_drop: false }`
[INFO] [stdout] cf1b4399e5c0701e6fb6c0805b41672521a5ba49f0e944f32e5ac93018356d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9c8e00b5a5411a9dccd3d275f4620a72967a5143df76cc2f9b320c73323f8522
[INFO] running `Command { std: "docker" "start" "-a" "9c8e00b5a5411a9dccd3d275f4620a72967a5143df76cc2f9b320c73323f8522", kill_on_drop: false }`
[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 1.27s
[INFO] running `Command { std: "docker" "inspect" "9c8e00b5a5411a9dccd3d275f4620a72967a5143df76cc2f9b320c73323f8522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8e00b5a5411a9dccd3d275f4620a72967a5143df76cc2f9b320c73323f8522", kill_on_drop: false }`
[INFO] [stdout] 9c8e00b5a5411a9dccd3d275f4620a72967a5143df76cc2f9b320c73323f8522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 20cc1471430e3cb1527d86e4408daf4908d1f1319868f26c970ea202485e0c86
[INFO] running `Command { std: "docker" "start" "-a" "20cc1471430e3cb1527d86e4408daf4908d1f1319868f26c970ea202485e0c86", 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 1.99s
[INFO] running `Command { std: "docker" "inspect" "20cc1471430e3cb1527d86e4408daf4908d1f1319868f26c970ea202485e0c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20cc1471430e3cb1527d86e4408daf4908d1f1319868f26c970ea202485e0c86", kill_on_drop: false }`
[INFO] [stdout] 20cc1471430e3cb1527d86e4408daf4908d1f1319868f26c970ea202485e0c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e0469db87d0ff4c7af7bda1ce8dbaa5ba5db0a0ed50ba2c2e07511c3fc42632d
[INFO] running `Command { std: "docker" "start" "-a" "e0469db87d0ff4c7af7bda1ce8dbaa5ba5db0a0ed50ba2c2e07511c3fc42632d", 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 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arg_combinators-457e8cf512c0a676)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::validation ... ok
[INFO] [stdout] test tests::deep_recursion ... ok
[INFO] [stdout] test tests::basic_macros ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::args_all_depend ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "e0469db87d0ff4c7af7bda1ce8dbaa5ba5db0a0ed50ba2c2e07511c3fc42632d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0469db87d0ff4c7af7bda1ce8dbaa5ba5db0a0ed50ba2c2e07511c3fc42632d", kill_on_drop: false }`
[INFO] [stdout] e0469db87d0ff4c7af7bda1ce8dbaa5ba5db0a0ed50ba2c2e07511c3fc42632d