[INFO] fetching crate opie 0.1.0... [INFO] checking opie-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate opie 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate opie 0.1.0 [INFO] finished tweaking crates.io crate opie 0.1.0 [INFO] tweaked toml for crates.io crate opie 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate opie 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate opie 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76d2d96cef60b1235afea62702da850246458d2c8f3476d4d5c1df66d8552418 [INFO] running `Command { std: "docker" "start" "-a" "76d2d96cef60b1235afea62702da850246458d2c8f3476d4d5c1df66d8552418", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76d2d96cef60b1235afea62702da850246458d2c8f3476d4d5c1df66d8552418", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76d2d96cef60b1235afea62702da850246458d2c8f3476d4d5c1df66d8552418", kill_on_drop: false }` [INFO] [stdout] 76d2d96cef60b1235afea62702da850246458d2c8f3476d4d5c1df66d8552418 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bbc0167aeee61f08ae59a832666859c528150482c69db92abdabe1cf0f95bf23 [INFO] running `Command { std: "docker" "start" "-a" "bbc0167aeee61f08ae59a832666859c528150482c69db92abdabe1cf0f95bf23", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.91 [INFO] [stderr] Checking opie v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `range_decoder` [INFO] [stdout] --> src/range_coding.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let range_decoder = RangeDecoder::new(&[0b1111_1111, 0b0000_0000]); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_range_decoder` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `decode_symbol`, `normalization_factor`, `scaled_frequency_value`, and `update_state` are never used [INFO] [stdout] --> src/range_coding.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl<'a> RangeDecoder<'a> { [INFO] [stdout] | ------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn decode_symbol(&mut self, total_frequency: u16) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | fn normalization_factor(&self, total_frequency: u16) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn scaled_frequency_value(&mut self, total_frequency: u16, normalization_factor: u32) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn update_state( [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `LOW_RNG` is never used [INFO] [stdout] --> src/range_coding.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | pub const LOW_RNG: u32 = 1 << 31 >> 8; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RangeDecoder` is never constructed [INFO] [stdout] --> src/range_coding.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct RangeDecoder<'a> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `normalize`, `decode_symbol`, `normalization_factor`, `scaled_frequency_value`, and `update_state` are never used [INFO] [stdout] --> src/range_coding.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl<'a> RangeDecoder<'a> { [INFO] [stdout] | ------------------------- associated items in this implementation [INFO] [stdout] 27 | pub fn new(data: &'a [u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn normalize(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn decode_symbol(&mut self, total_frequency: u16) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | fn normalization_factor(&self, total_frequency: u16) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn scaled_frequency_value(&mut self, total_frequency: u16, normalization_factor: u32) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn update_state( [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `Command { std: "docker" "inspect" "bbc0167aeee61f08ae59a832666859c528150482c69db92abdabe1cf0f95bf23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbc0167aeee61f08ae59a832666859c528150482c69db92abdabe1cf0f95bf23", kill_on_drop: false }` [INFO] [stdout] bbc0167aeee61f08ae59a832666859c528150482c69db92abdabe1cf0f95bf23