[INFO] fetching crate slice_map 0.2.7... [INFO] checking slice_map-0.2.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate slice_map 0.2.7 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate slice_map 0.2.7 [INFO] finished tweaking crates.io crate slice_map 0.2.7 [INFO] tweaked toml for crates.io crate slice_map 0.2.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate slice_map 0.2.7 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 2 packages to latest compatible versions [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 917bd6b6a8108853ebcb6493bca92e86e45447a5387621700b66e8a7c7645db6 [INFO] running `Command { std: "docker" "start" "-a" "917bd6b6a8108853ebcb6493bca92e86e45447a5387621700b66e8a7c7645db6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "917bd6b6a8108853ebcb6493bca92e86e45447a5387621700b66e8a7c7645db6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "917bd6b6a8108853ebcb6493bca92e86e45447a5387621700b66e8a7c7645db6", kill_on_drop: false }` [INFO] [stdout] 917bd6b6a8108853ebcb6493bca92e86e45447a5387621700b66e8a7c7645db6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6250c17ba8cd85d18e74c7633daf0b378ba3e2fa9269360f0710220adfb6e4b9 [INFO] running `Command { std: "docker" "start" "-a" "6250c17ba8cd85d18e74c7633daf0b378ba3e2fa9269360f0710220adfb6e4b9", kill_on_drop: false }` [INFO] [stderr] Checking slice_map v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:90:24 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn iter_slices(&self) -> SliceIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 90 | pub fn iter_slices(&self) -> SliceIter<'_, K, V, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:99:33 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn iter_keys_and_slices(&self) -> KeySliceIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 99 | pub fn iter_keys_and_slices(&self) -> KeySliceIter<'_, K, V, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:125:31 [INFO] [stdout] | [INFO] [stdout] 125 | slice.start = u32::try_from(slice.start - offset).expect("Index out of bounds"); [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/lib.rs:126:29 [INFO] [stdout] | [INFO] [stdout] 126 | slice.end = u32::try_from(slice.end - offset).expect("Index out of bounds"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:90:24 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn iter_slices(&self) -> SliceIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 90 | pub fn iter_slices(&self) -> SliceIter<'_, K, V, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:99:33 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn iter_keys_and_slices(&self) -> KeySliceIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 99 | pub fn iter_keys_and_slices(&self) -> KeySliceIter<'_, K, V, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `slice_map` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:125:31 [INFO] [stdout] | [INFO] [stdout] 125 | slice.start = u32::try_from(slice.start - offset).expect("Index out of bounds"); [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/lib.rs:126:29 [INFO] [stdout] | [INFO] [stdout] 126 | slice.end = u32::try_from(slice.end - offset).expect("Index out of bounds"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `slice_map` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6250c17ba8cd85d18e74c7633daf0b378ba3e2fa9269360f0710220adfb6e4b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6250c17ba8cd85d18e74c7633daf0b378ba3e2fa9269360f0710220adfb6e4b9", kill_on_drop: false }` [INFO] [stdout] 6250c17ba8cd85d18e74c7633daf0b378ba3e2fa9269360f0710220adfb6e4b9