[INFO] fetching crate outpoll 0.2.0...
[INFO] checking outpoll-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate outpoll 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate outpoll 0.2.0
[INFO] finished tweaking crates.io crate outpoll 0.2.0
[INFO] tweaked toml for crates.io crate outpoll 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate outpoll 0.2.0 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 outpoll 0.2.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bcc8706020338a367cdbc44fc74060b55b8424418704adb1ccc321e30a1c81ab
[INFO] running `Command { std: "docker" "start" "-a" "bcc8706020338a367cdbc44fc74060b55b8424418704adb1ccc321e30a1c81ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcc8706020338a367cdbc44fc74060b55b8424418704adb1ccc321e30a1c81ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc8706020338a367cdbc44fc74060b55b8424418704adb1ccc321e30a1c81ab", kill_on_drop: false }`
[INFO] [stdout] bcc8706020338a367cdbc44fc74060b55b8424418704adb1ccc321e30a1c81ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3e93a625d06f4a2fcef118d3178bcc2df8a955cd8c54340f6a1037b63cc8b887
[INFO] running `Command { std: "docker" "start" "-a" "3e93a625d06f4a2fcef118d3178bcc2df8a955cd8c54340f6a1037b63cc8b887", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking piper v0.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking xdg-home v1.1.0
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-broadcast v0.7.1
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking async-executor v1.12.0
[INFO] [stderr]     Checking async-fs v2.1.2
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling human-time-macros v0.1.8
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]     Checking human-time v0.1.6
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling enumflags2_derive v0.7.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking polling v3.7.1
[INFO] [stderr]     Checking async-io v2.3.3
[INFO] [stderr]     Checking async-signal v0.2.7
[INFO] [stderr]     Checking async-process v2.2.3
[INFO] [stderr]     Checking zvariant_utils v3.1.0
[INFO] [stderr]     Checking enumflags2 v0.7.9
[INFO] [stderr]    Compiling zvariant_derive v5.2.0
[INFO] [stderr]    Compiling zvariant v5.2.0
[INFO] [stderr]     Checking zbus_names v4.1.1
[INFO] [stderr]    Compiling zbus_macros v5.3.1
[INFO] [stderr]     Checking zbus v5.3.1
[INFO] [stderr]     Checking notify-rust v4.11.4
[INFO] [stderr]     Checking outpoll v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[structopt(short)]
[INFO] [stdout] 9 | |     command: String,
[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<String, Infallible>
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     #[structopt(short)]
[INFO] [stdout] 11 | |     watch: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[structopt(short)]
[INFO] [stdout] 9 | |     command: String,
[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<String, Infallible>
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     #[structopt(short)]
[INFO] [stdout] 11 | |     watch: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outpoll` (bin "outpoll" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `outpoll` (bin "outpoll") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3e93a625d06f4a2fcef118d3178bcc2df8a955cd8c54340f6a1037b63cc8b887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e93a625d06f4a2fcef118d3178bcc2df8a955cd8c54340f6a1037b63cc8b887", kill_on_drop: false }`
[INFO] [stdout] 3e93a625d06f4a2fcef118d3178bcc2df8a955cd8c54340f6a1037b63cc8b887
