[INFO] cloning repository https://github.com/alxolr/outpoll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alxolr/outpoll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falxolr%2Foutpoll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falxolr%2Foutpoll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9988bcfe49fff20fd78685ea188efdc562f9a312
[INFO] checking alxolr/outpoll against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falxolr%2Foutpoll" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alxolr/outpoll
[INFO] finished tweaking git repo https://github.com/alxolr/outpoll
[INFO] tweaked toml for git repo https://github.com/alxolr/outpoll written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alxolr/outpoll 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 git repo https://github.com/alxolr/outpoll 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] [stderr]     Blocking waiting for file lock on package cache
[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] ff465d743b31eeb1a1bbbe664a46cd10268046227d8974381192308c42e7f31b
[INFO] running `Command { std: "docker" "start" "-a" "ff465d743b31eeb1a1bbbe664a46cd10268046227d8974381192308c42e7f31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff465d743b31eeb1a1bbbe664a46cd10268046227d8974381192308c42e7f31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff465d743b31eeb1a1bbbe664a46cd10268046227d8974381192308c42e7f31b", kill_on_drop: false }`
[INFO] [stdout] ff465d743b31eeb1a1bbbe664a46cd10268046227d8974381192308c42e7f31b
[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] fca581b0b57d1bd57363ef01496726308cf8bcf8970ef7460947d2992cb3441b
[INFO] running `Command { std: "docker" "start" "-a" "fca581b0b57d1bd57363ef01496726308cf8bcf8970ef7460947d2992cb3441b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]     Checking rustix v0.38.34
[INFO] [stderr]     Checking piper v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-executor v1.12.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking nix v0.29.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking xdg-home v1.1.0
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking clap v2.34.0
[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 quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.66
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking async-fs v2.1.2
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling human-time-macros v0.1.8
[INFO] [stderr]     Checking human-time v0.1.6
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[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]    Compiling serde v1.0.203
[INFO] [stderr]     Checking enumflags2 v0.7.9
[INFO] [stderr]     Checking zvariant_utils v3.1.0
[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] [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] [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] running `Command { std: "docker" "inspect" "fca581b0b57d1bd57363ef01496726308cf8bcf8970ef7460947d2992cb3441b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca581b0b57d1bd57363ef01496726308cf8bcf8970ef7460947d2992cb3441b", kill_on_drop: false }`
[INFO] [stdout] fca581b0b57d1bd57363ef01496726308cf8bcf8970ef7460947d2992cb3441b