[INFO] fetching crate keymaps 1.2.0...
[INFO] checking keymaps-1.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate keymaps 1.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate keymaps 1.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate keymaps 1.2.0
[INFO] tweaked toml for crates.io crate keymaps 1.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate keymaps 1.2.0 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 keymaps 1.2.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2dd8cd40b229bb4311be937010245caaec9d39f24a65c0eb0dcdf93e1b743726
[INFO] running `Command { std: "docker" "start" "-a" "2dd8cd40b229bb4311be937010245caaec9d39f24a65c0eb0dcdf93e1b743726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd8cd40b229bb4311be937010245caaec9d39f24a65c0eb0dcdf93e1b743726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd8cd40b229bb4311be937010245caaec9d39f24a65c0eb0dcdf93e1b743726", kill_on_drop: false }`
[INFO] [stdout] 2dd8cd40b229bb4311be937010245caaec9d39f24a65c0eb0dcdf93e1b743726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 119faf0872b2fe899bf8203c11159742a533919ab57f97fff38fd24fbd411f42
[INFO] running `Command { std: "docker" "start" "-a" "119faf0872b2fe899bf8203c11159742a533919ab57f97fff38fd24fbd411f42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking keymaps v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Key, !>
[INFO] [stdout]    --> src/key_repr/tests.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |       let keys: Key = "<Super+Ctrl-A>"
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 122 | |         .parse()
[INFO] [stdout] 123 | |         .map_err(|e| panic!("{}", e))
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Key>, !>
[INFO] [stdout]    --> src/key_repr/tests.rs:364:26
[INFO] [stdout]     |
[INFO] [stdout] 364 |       let keys: Vec<Key> = Key::parse_multiple("<Alt-Q><Ctrl-Q><Meta-Q><Shift-Q>")
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 365 | |         .map_err(|e| panic!("{}", e))
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keymaps` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "119faf0872b2fe899bf8203c11159742a533919ab57f97fff38fd24fbd411f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119faf0872b2fe899bf8203c11159742a533919ab57f97fff38fd24fbd411f42", kill_on_drop: false }`
[INFO] [stdout] 119faf0872b2fe899bf8203c11159742a533919ab57f97fff38fd24fbd411f42