[INFO] fetching crate tryhard 0.5.2...
[INFO] checking tryhard-0.5.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate tryhard 0.5.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tryhard 0.5.2
[INFO] finished tweaking crates.io crate tryhard 0.5.2
[INFO] tweaked toml for crates.io crate tryhard 0.5.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tryhard 0.5.2 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 tryhard 0.5.2 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 43c7fe32ee2b972c96eb6e359c23e42c0af021e685fd9fd1ebe4cc7e9cddf1e0
[INFO] running `Command { std: "docker" "start" "-a" "43c7fe32ee2b972c96eb6e359c23e42c0af021e685fd9fd1ebe4cc7e9cddf1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43c7fe32ee2b972c96eb6e359c23e42c0af021e685fd9fd1ebe4cc7e9cddf1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c7fe32ee2b972c96eb6e359c23e42c0af021e685fd9fd1ebe4cc7e9cddf1e0", kill_on_drop: false }`
[INFO] [stdout] 43c7fe32ee2b972c96eb6e359c23e42c0af021e685fd9fd1ebe4cc7e9cddf1e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b458e4ec0daad4000923f644aff898c7b01417d2425c632f7aaddb8930e07855
[INFO] running `Command { std: "docker" "start" "-a" "b458e4ec0daad4000923f644aff898c7b01417d2425c632f7aaddb8930e07855", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tryhard v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 | /         retry_fn(|| async { Ok::<_, Infallible>(true) })
[INFO] [stdout] 667 | |             .retries(10)
[INFO] [stdout] 668 | |             .await
[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<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:666:27
[INFO] [stdout]     |
[INFO] [stdout] 666 |         retry_fn(|| async { Ok::<_, Infallible>(true) })
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:666:29
[INFO] [stdout]     |
[INFO] [stdout] 666 |         retry_fn(|| async { Ok::<_, Infallible>(true) })
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:668:14
[INFO] [stdout]     |
[INFO] [stdout] 668 |             .await
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 | /         retry_fn(|| async { Ok::<_, Infallible>(true) })
[INFO] [stdout] 667 | |             .retries(10)
[INFO] [stdout] 668 | |             .await
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:769:9
[INFO] [stdout]     |
[INFO] [stdout] 769 | /         retry_fn(|| async { Ok::<_, Infallible>(true) })
[INFO] [stdout] 770 | |             .retries(10)
[INFO] [stdout] 771 | |             .custom_backoff(|_, _: &Infallible| Duration::from_nanos(10))
[INFO] [stdout] 772 | |             .await
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:769:27
[INFO] [stdout]     |
[INFO] [stdout] 769 |         retry_fn(|| async { Ok::<_, Infallible>(true) })
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:769:29
[INFO] [stdout]     |
[INFO] [stdout] 769 |         retry_fn(|| async { Ok::<_, Infallible>(true) })
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:772:14
[INFO] [stdout]     |
[INFO] [stdout] 772 |             .await
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:769:9
[INFO] [stdout]     |
[INFO] [stdout] 769 | /         retry_fn(|| async { Ok::<_, Infallible>(true) })
[INFO] [stdout] 770 | |             .retries(10)
[INFO] [stdout] 771 | |             .custom_backoff(|_, _: &Infallible| Duration::from_nanos(10))
[INFO] [stdout] 772 | |             .await
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tryhard` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "b458e4ec0daad4000923f644aff898c7b01417d2425c632f7aaddb8930e07855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b458e4ec0daad4000923f644aff898c7b01417d2425c632f7aaddb8930e07855", kill_on_drop: false }`
[INFO] [stdout] b458e4ec0daad4000923f644aff898c7b01417d2425c632f7aaddb8930e07855