[INFO] fetching crate argp 0.4.0...
[INFO] checking argp-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate argp 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate argp 0.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate argp 0.4.0
[INFO] tweaked toml for crates.io crate argp 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate argp 0.4.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate argp 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d840f082516b6ce6437f70af921047090847475f3d274799b0b54369943d8e7
[INFO] running `Command { std: "docker" "start" "-a" "0d840f082516b6ce6437f70af921047090847475f3d274799b0b54369943d8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d840f082516b6ce6437f70af921047090847475f3d274799b0b54369943d8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d840f082516b6ce6437f70af921047090847475f3d274799b0b54369943d8e7", kill_on_drop: false }`
[INFO] [stdout] 0d840f082516b6ce6437f70af921047090847475f3d274799b0b54369943d8e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f897d19e598070ee7508c6a83560739b2d7dfee3351e66d3f934b88c445ae72
[INFO] running `Command { std: "docker" "start" "-a" "6f897d19e598070ee7508c6a83560739b2d7dfee3351e66d3f934b88c445ae72", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling unicase v2.8.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling argp_derive v0.4.0
[INFO] [stderr]     Checking argp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `argp` (lib) due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:639:39
[INFO] [stdout]     |
[INFO] [stdout] 639 |                           .and_then(|s| <$ty>::from_str(s).map_err(|e| e.to_string()))
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 645 | / impl_from_arg_value_from_str![
[INFO] [stdout] 646 | |     bool,
[INFO] [stdout] 647 | |     char,
[INFO] [stdout] 648 | |     String,
[INFO] [stdout] ...   |
[INFO] [stdout] 668 | |     std::net::SocketAddrV6,
[INFO] [stdout] 669 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_from_arg_value_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6f897d19e598070ee7508c6a83560739b2d7dfee3351e66d3f934b88c445ae72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f897d19e598070ee7508c6a83560739b2d7dfee3351e66d3f934b88c445ae72", kill_on_drop: false }`
[INFO] [stdout] 6f897d19e598070ee7508c6a83560739b2d7dfee3351e66d3f934b88c445ae72