[INFO] fetching crate maitake-sync 0.2.2... [INFO] checking maitake-sync-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate maitake-sync 0.2.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate maitake-sync 0.2.2 [INFO] finished tweaking crates.io crate maitake-sync 0.2.2 [INFO] tweaked toml for crates.io crate maitake-sync 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate maitake-sync 0.2.2 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 maitake-sync 0.2.2 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] faad6758055307c48450c6283efa62e053f18c56031840daee7b3086231f14f0 [INFO] running `Command { std: "docker" "start" "-a" "faad6758055307c48450c6283efa62e053f18c56031840daee7b3086231f14f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faad6758055307c48450c6283efa62e053f18c56031840daee7b3086231f14f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faad6758055307c48450c6283efa62e053f18c56031840daee7b3086231f14f0", kill_on_drop: false }` [INFO] [stdout] faad6758055307c48450c6283efa62e053f18c56031840daee7b3086231f14f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e9062eee78b7e57dccaee4fe00c659a17170f25fcafdc093127b7add7f24979a [INFO] running `Command { std: "docker" "start" "-a" "e9062eee78b7e57dccaee4fe00c659a17170f25fcafdc093127b7add7f24979a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling rustix v0.38.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Checking regex-automata v0.4.4 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking mycelium-bitfield v0.1.5 [INFO] [stderr] Checking cordyceps v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking mutex-traits v1.0.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.94 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking tempfile v3.9.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.8 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking pin-project v1.1.8 [INFO] [stderr] Checking maitake-sync v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: core::result::Result [INFO] [stdout] --> src/wait_map.rs:1030:9 [INFO] [stdout] | [INFO] [stdout] 1030 | Self::try_from_bits(bits).expect("This shouldn't be possible") [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: core::result::Result [INFO] [stdout] --> src/wait_map.rs:1038:64 [INFO] [stdout] | [INFO] [stdout] 1038 | fn try_from_bits(bits: usize) -> Result { [INFO] [stdout] | ________________________________________________________________^ [INFO] [stdout] 1039 | | Ok(match bits as u8 { [INFO] [stdout] 1040 | | bits if bits == Self::Empty as u8 => Self::Empty, [INFO] [stdout] 1041 | | bits if bits == Self::Waiting as u8 => Self::Waiting, [INFO] [stdout] ... | [INFO] [stdout] 1047 | | }) [INFO] [stdout] 1048 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: core::result::Result [INFO] [stdout] --> src/wait_map.rs:1039:9 [INFO] [stdout] | [INFO] [stdout] 1039 | / Ok(match bits as u8 { [INFO] [stdout] 1040 | | bits if bits == Self::Empty as u8 => Self::Empty, [INFO] [stdout] 1041 | | bits if bits == Self::Waiting as u8 => Self::Waiting, [INFO] [stdout] 1042 | | bits if bits == Self::Closed as u8 => Self::Closed, [INFO] [stdout] ... | [INFO] [stdout] 1046 | | }, [INFO] [stdout] 1047 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: core::result::Result [INFO] [stdout] --> src/wait_queue.rs:1471:64 [INFO] [stdout] | [INFO] [stdout] 1471 | fn try_from_bits(bits: usize) -> Result { [INFO] [stdout] | ________________________________________________________________^ [INFO] [stdout] 1472 | | Ok(match bits as u8 { [INFO] [stdout] 1473 | | bits if bits == Self::Empty as u8 => Self::Empty, [INFO] [stdout] 1474 | | bits if bits == Self::Waiting as u8 => Self::Waiting, [INFO] [stdout] ... | [INFO] [stdout] 1480 | | }) [INFO] [stdout] 1481 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: core::result::Result [INFO] [stdout] --> src/wait_queue.rs:1472:9 [INFO] [stdout] | [INFO] [stdout] 1472 | / Ok(match bits as u8 { [INFO] [stdout] 1473 | | bits if bits == Self::Empty as u8 => Self::Empty, [INFO] [stdout] 1474 | | bits if bits == Self::Waiting as u8 => Self::Waiting, [INFO] [stdout] 1475 | | bits if bits == Self::Woken as u8 => Self::Woken, [INFO] [stdout] ... | [INFO] [stdout] 1479 | | }, [INFO] [stdout] 1480 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `maitake-sync` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e9062eee78b7e57dccaee4fe00c659a17170f25fcafdc093127b7add7f24979a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9062eee78b7e57dccaee4fe00c659a17170f25fcafdc093127b7add7f24979a", kill_on_drop: false }` [INFO] [stdout] e9062eee78b7e57dccaee4fe00c659a17170f25fcafdc093127b7add7f24979a