[INFO] fetching crate pidtree_mon 0.2.3...
[INFO] checking pidtree_mon-0.2.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pidtree_mon 0.2.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pidtree_mon 0.2.3
[INFO] finished tweaking crates.io crate pidtree_mon 0.2.3
[INFO] tweaked toml for crates.io crate pidtree_mon 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pidtree_mon 0.2.3 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 pidtree_mon 0.2.3 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] abc7103234a90165b2e93ebde7e9cae18c3220350d8c1260ed549bb7b07e41b1
[INFO] running `Command { std: "docker" "start" "-a" "abc7103234a90165b2e93ebde7e9cae18c3220350d8c1260ed549bb7b07e41b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abc7103234a90165b2e93ebde7e9cae18c3220350d8c1260ed549bb7b07e41b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc7103234a90165b2e93ebde7e9cae18c3220350d8c1260ed549bb7b07e41b1", kill_on_drop: false }`
[INFO] [stdout] abc7103234a90165b2e93ebde7e9cae18c3220350d8c1260ed549bb7b07e41b1
[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] 4df5587fbdcb97737f366aecb1dbf17b5196a04b973abf4952eea2d520c082f8
[INFO] running `Command { std: "docker" "start" "-a" "4df5587fbdcb97737f366aecb1dbf17b5196a04b973abf4952eea2d520c082f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling procfs v0.16.0
[INFO] [stderr]     Checking clap_builder v4.5.15
[INFO] [stderr]     Checking daemonize v0.5.0
[INFO] [stderr]     Checking fork v0.2.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking procfs-core v0.16.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking clap v4.5.16
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking with_daemon v0.2.0
[INFO] [stderr]     Checking pidtree_mon v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Worker, Infallible>
[INFO] [stdout]   --> src/worker.rs:19:93
[INFO] [stdout]    |
[INFO] [stdout] 19 |       pub async fn new(update_interval: Duration, ctrl: DaemonControl) -> Result<Self, Never> {
[INFO] [stdout]    |  _____________________________________________________________________________________________^
[INFO] [stdout] 20 | |         let (sender, _) = broadcast::channel(1);
[INFO] [stdout] 21 | |         let loads = sender.subscribe();
[INFO] [stdout] 22 | |         tokio::spawn(async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         Ok(Self { loads, ctrl })
[INFO] [stdout] 40 | |     }
[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<Worker, Infallible>
[INFO] [stdout]   --> src/worker.rs:19:93
[INFO] [stdout]    |
[INFO] [stdout] 19 |       pub async fn new(update_interval: Duration, ctrl: DaemonControl) -> Result<Self, Never> {
[INFO] [stdout]    |  _____________________________________________________________________________________________^
[INFO] [stdout] 20 | |         let (sender, _) = broadcast::channel(1);
[INFO] [stdout] 21 | |         let loads = sender.subscribe();
[INFO] [stdout] 22 | |         tokio::spawn(async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         Ok(Self { loads, ctrl })
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Worker, Infallible>
[INFO] [stdout]   --> src/worker.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Ok(Self { loads, ctrl })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pidtree_mon` (bin "pidtree_mon") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Worker, Infallible>
[INFO] [stdout]   --> src/worker.rs:19:93
[INFO] [stdout]    |
[INFO] [stdout] 19 |       pub async fn new(update_interval: Duration, ctrl: DaemonControl) -> Result<Self, Never> {
[INFO] [stdout]    |  _____________________________________________________________________________________________^
[INFO] [stdout] 20 | |         let (sender, _) = broadcast::channel(1);
[INFO] [stdout] 21 | |         let loads = sender.subscribe();
[INFO] [stdout] 22 | |         tokio::spawn(async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         Ok(Self { loads, ctrl })
[INFO] [stdout] 40 | |     }
[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<Worker, Infallible>
[INFO] [stdout]   --> src/worker.rs:19:93
[INFO] [stdout]    |
[INFO] [stdout] 19 |       pub async fn new(update_interval: Duration, ctrl: DaemonControl) -> Result<Self, Never> {
[INFO] [stdout]    |  _____________________________________________________________________________________________^
[INFO] [stdout] 20 | |         let (sender, _) = broadcast::channel(1);
[INFO] [stdout] 21 | |         let loads = sender.subscribe();
[INFO] [stdout] 22 | |         tokio::spawn(async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         Ok(Self { loads, ctrl })
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Worker, Infallible>
[INFO] [stdout]   --> src/worker.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Ok(Self { loads, ctrl })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pidtree_mon` (bin "pidtree_mon" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4df5587fbdcb97737f366aecb1dbf17b5196a04b973abf4952eea2d520c082f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df5587fbdcb97737f366aecb1dbf17b5196a04b973abf4952eea2d520c082f8", kill_on_drop: false }`
[INFO] [stdout] 4df5587fbdcb97737f366aecb1dbf17b5196a04b973abf4952eea2d520c082f8