[INFO] fetching crate pico-args 0.4.2...
[INFO] testing pico-args-0.4.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate pico-args 0.4.2 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate pico-args 0.4.2 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 pico-args 0.4.2
[INFO] finished tweaking crates.io crate pico-args 0.4.2
[INFO] tweaked toml for crates.io crate pico-args 0.4.2 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate pico-args 0.4.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7561d10f7ff5d089e2dbd26e08f2bfff4fa52970bce61068dc2199ed1cf5bff
[INFO] running `Command { std: "docker" "start" "-a" "e7561d10f7ff5d089e2dbd26e08f2bfff4fa52970bce61068dc2199ed1cf5bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7561d10f7ff5d089e2dbd26e08f2bfff4fa52970bce61068dc2199ed1cf5bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7561d10f7ff5d089e2dbd26e08f2bfff4fa52970bce61068dc2199ed1cf5bff", kill_on_drop: false }`
[INFO] [stdout] e7561d10f7ff5d089e2dbd26e08f2bfff4fa52970bce61068dc2199ed1cf5bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a787170b6abc7b3be57143d5256f1df48d8c63ab3a37f01a587018789b5dea0
[INFO] running `Command { std: "docker" "start" "-a" "3a787170b6abc7b3be57143d5256f1df48d8c63ab3a37f01a587018789b5dea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling pico-args v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3a787170b6abc7b3be57143d5256f1df48d8c63ab3a37f01a587018789b5dea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a787170b6abc7b3be57143d5256f1df48d8c63ab3a37f01a587018789b5dea0", kill_on_drop: false }`
[INFO] [stdout] 3a787170b6abc7b3be57143d5256f1df48d8c63ab3a37f01a587018789b5dea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d905b9b7d510e3f9513c874a724baa482eb5d6cb4d1d3a13b81b01f70c3c4696
[INFO] running `Command { std: "docker" "start" "-a" "d905b9b7d510e3f9513c874a724baa482eb5d6cb4d1d3a13b81b01f70c3c4696", kill_on_drop: false }`
[INFO] [stderr]    Compiling pico-args v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `forwarded_args`
[INFO] [stdout]  --> examples/dash_dash.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     forwarded_args: Vec<OsString>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `help`
[INFO] [stdout]  --> examples/dash_dash.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     help: bool,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]   --> examples/app.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     number: 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: `opt_number`
[INFO] [stdout]   --> examples/app.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     opt_number: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> examples/app.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input`
[INFO] [stdout]   --> examples/app.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     input: std::path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> examples/app.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     output: Option<std::path::PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "d905b9b7d510e3f9513c874a724baa482eb5d6cb4d1d3a13b81b01f70c3c4696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d905b9b7d510e3f9513c874a724baa482eb5d6cb4d1d3a13b81b01f70c3c4696", kill_on_drop: false }`
[INFO] [stdout] d905b9b7d510e3f9513c874a724baa482eb5d6cb4d1d3a13b81b01f70c3c4696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46188a2c33f60084c8ae4f9b8572ae7efc6669668dd665892b11efb5bccc2a8b
[INFO] running `Command { std: "docker" "start" "-a" "46188a2c33f60084c8ae4f9b8572ae7efc6669668dd665892b11efb5bccc2a8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `forwarded_args`
[INFO] [stderr]  --> examples/dash_dash.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     forwarded_args: Vec<OsString>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `help`
[INFO] [stderr]  --> examples/dash_dash.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     help: bool,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pico-args` (example "dash_dash") generated 2 warnings
[INFO] [stderr] warning: field is never read: `number`
[INFO] [stderr]   --> examples/app.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     number: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opt_number`
[INFO] [stderr]   --> examples/app.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     opt_number: Option<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]   --> examples/app.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input`
[INFO] [stderr]   --> examples/app.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     input: std::path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `output`
[INFO] [stderr]   --> examples/app.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     output: Option<std::path::PathBuf>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pico-args` (example "app") generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pico_args-3ea76e7e52b72fc0)
[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/tests.rs (/opt/rustwide/target/debug/deps/tests-07322af2d2316a9b)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test contains_two_01 ... ok
[INFO] [stdout] test contains_two_02 ... ok
[INFO] [stdout] test contains_two_03 ... ok
[INFO] [stdout] test duplicated_options_01 ... ok
[INFO] [stdout] test eq_option_04 ... ok
[INFO] [stdout] test eq_option_03 ... ok
[INFO] [stdout] test eq_option_02 ... ok
[INFO] [stdout] test eq_option_err_01 ... ok
[INFO] [stdout] test eq_option_01 ... ok
[INFO] [stdout] test eq_option_err_02 ... ok
[INFO] [stdout] test eq_option_err_03 ... ok
[INFO] [stdout] test eq_option_err_04 ... ok
[INFO] [stdout] test eq_option_err_05 ... ok
[INFO] [stdout] test eq_option_err_06 ... ok
[INFO] [stdout] test eq_option_err_07 ... ok
[INFO] [stdout] test free_from_str_01 ... ok
[INFO] [stdout] test long_flag_with_character_from_short_flag ... ok
[INFO] [stdout] test missing_option_value_02 ... ok
[INFO] [stdout] test missing_required_option_01 ... ok
[INFO] [stdout] test missing_required_option_02 ... ok
[INFO] [stdout] test missing_option_value_01 ... ok
[INFO] [stdout] test missing_option_value_03 ... ok
[INFO] [stdout] test missing_required_option_03 ... ok
[INFO] [stdout] test multiple_options_01 ... ok
[INFO] [stdout] test multiple_options_02 ... ok
[INFO] [stdout] test multiple_options_03 ... ok
[INFO] [stdout] test no_args ... ok
[INFO] [stdout] test opt_free_from_fn_01 ... ok
[INFO] [stdout] test opt_free_from_fn_02 ... ok
[INFO] [stdout] test opt_free_from_fn_03 ... ok
[INFO] [stdout] test opt_free_from_fn_05 ... ok
[INFO] [stdout] test opt_free_from_fn_04 ... ok
[INFO] [stdout] test invalid_flag_01 - should panic ... ok
[INFO] [stdout] test invalid_flag_02 - should panic ... ok
[INFO] [stdout] test invalid_flag_03 - should panic ... ok
[INFO] [stdout] test invalid_flag_04 - should panic ... ok
[INFO] [stdout] test opt_free_from_fn_06 ... ok
[INFO] [stdout] test opt_free_from_str_01 ... ok
[INFO] [stdout] test option_01 ... ok
[INFO] [stdout] test option_02 ... ok
[INFO] [stdout] test option_03 ... ok
[INFO] [stdout] test option_from_os_str_01 ... ok
[INFO] [stdout] test required_option_01 ... ok
[INFO] [stdout] test single_long_contains ... ok
[INFO] [stdout] test single_short_contains ... ok
[INFO] [stdout] test subcommand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pico-args
[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" "46188a2c33f60084c8ae4f9b8572ae7efc6669668dd665892b11efb5bccc2a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46188a2c33f60084c8ae4f9b8572ae7efc6669668dd665892b11efb5bccc2a8b", kill_on_drop: false }`
[INFO] [stdout] 46188a2c33f60084c8ae4f9b8572ae7efc6669668dd665892b11efb5bccc2a8b