[INFO] fetching crate rivulet 0.1.0... [INFO] checking rivulet-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate rivulet 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate rivulet 0.1.0 [INFO] finished tweaking crates.io crate rivulet 0.1.0 [INFO] tweaked toml for crates.io crate rivulet 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rivulet 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 41 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding vmap v0.5.1 (available: v0.6.3) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f355722cd2dd2885ff6399cac30ab07f071182504cf5dac183663ebd2a2ba08f [INFO] running `Command { std: "docker" "start" "-a" "f355722cd2dd2885ff6399cac30ab07f071182504cf5dac183663ebd2a2ba08f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f355722cd2dd2885ff6399cac30ab07f071182504cf5dac183663ebd2a2ba08f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f355722cd2dd2885ff6399cac30ab07f071182504cf5dac183663ebd2a2ba08f", kill_on_drop: false }` [INFO] [stdout] f355722cd2dd2885ff6399cac30ab07f071182504cf5dac183663ebd2a2ba08f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] aa2f3dbedf5991b830c260b9ac89cebe1a70c4062dabf8c045c936041f19ca58 [INFO] running `Command { std: "docker" "start" "-a" "aa2f3dbedf5991b830c260b9ac89cebe1a70c4062dabf8c045c936041f19ca58", kill_on_drop: false }` [INFO] [stderr] Checking system_error v0.1.1 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking vmap v0.5.1 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Checking tokio v1.48.0 [INFO] [stderr] Checking pin-project v1.1.10 [INFO] [stderr] Checking rivulet v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/slice.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 47 | Poll::Ready(Ok(len - index.min(len))) [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 [INFO] [stdout] --> src/slice.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | Poll::Ready(Ok(self.len - index.min(self.len))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rivulet` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "aa2f3dbedf5991b830c260b9ac89cebe1a70c4062dabf8c045c936041f19ca58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa2f3dbedf5991b830c260b9ac89cebe1a70c4062dabf8c045c936041f19ca58", kill_on_drop: false }` [INFO] [stdout] aa2f3dbedf5991b830c260b9ac89cebe1a70c4062dabf8c045c936041f19ca58