[INFO] fetching crate bitread 0.1.9... [INFO] checking bitread-0.1.9 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate bitread 0.1.9 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate bitread 0.1.9 [INFO] finished tweaking crates.io crate bitread 0.1.9 [INFO] tweaked toml for crates.io crate bitread 0.1.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bitread 0.1.9 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 16 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 90480bcdcb3587cce396e0d432c8b69f9bb854db7863114698be5d56a6d0bf64 [INFO] running `Command { std: "docker" "start" "-a" "90480bcdcb3587cce396e0d432c8b69f9bb854db7863114698be5d56a6d0bf64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90480bcdcb3587cce396e0d432c8b69f9bb854db7863114698be5d56a6d0bf64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90480bcdcb3587cce396e0d432c8b69f9bb854db7863114698be5d56a6d0bf64", kill_on_drop: false }` [INFO] [stdout] 90480bcdcb3587cce396e0d432c8b69f9bb854db7863114698be5d56a6d0bf64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f595bab696a091d975baf9b238ebea7214d0390194206cca8b4c83264db61693 [INFO] running `Command { std: "docker" "start" "-a" "f595bab696a091d975baf9b238ebea7214d0390194206cca8b4c83264db61693", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling bitread_macro v0.1.7 [INFO] [stderr] Checking bitread v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:38:14 [INFO] [stdout] | [INFO] [stdout] 38 | #[derive(BitRead, Debug, PartialEq)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `BitRead` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | PositionWithInactivityTimer::read_from(data.as_slice()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:119:14 [INFO] [stdout] | [INFO] [stdout] 119 | #[derive(BitRead, Debug, PartialEq)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `BitRead` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:154:46 [INFO] [stdout] | [INFO] [stdout] 154 | let position_with_inactivity_timer = SkipDefaultTest::read_from(data.as_slice()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bitread` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "f595bab696a091d975baf9b238ebea7214d0390194206cca8b4c83264db61693", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f595bab696a091d975baf9b238ebea7214d0390194206cca8b4c83264db61693", kill_on_drop: false }` [INFO] [stdout] f595bab696a091d975baf9b238ebea7214d0390194206cca8b4c83264db61693