[INFO] fetching crate opie 0.1.0... [INFO] building opie-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate opie 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate opie 0.1.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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] 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 210f3c08be6beb0e7e671d7a66aba4fd2c74db73f229d635471058bf4dbcab4f [INFO] running `Command { std: "docker" "start" "-a" "210f3c08be6beb0e7e671d7a66aba4fd2c74db73f229d635471058bf4dbcab4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "210f3c08be6beb0e7e671d7a66aba4fd2c74db73f229d635471058bf4dbcab4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "210f3c08be6beb0e7e671d7a66aba4fd2c74db73f229d635471058bf4dbcab4f", kill_on_drop: false }` [INFO] [stdout] 210f3c08be6beb0e7e671d7a66aba4fd2c74db73f229d635471058bf4dbcab4f [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16f5a16c75757d2264057a9ed1c8c95d0e5ae3249a969746a0243662d2303c99 [INFO] running `Command { std: "docker" "start" "-a" "16f5a16c75757d2264057a9ed1c8c95d0e5ae3249a969746a0243662d2303c99", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.91 [INFO] [stderr] Compiling opie v0.1.0 (/opt/rustwide/workdir) [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] = note: `RangeDecoder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 0.65s [INFO] running `Command { std: "docker" "inspect" "16f5a16c75757d2264057a9ed1c8c95d0e5ae3249a969746a0243662d2303c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16f5a16c75757d2264057a9ed1c8c95d0e5ae3249a969746a0243662d2303c99", kill_on_drop: false }` [INFO] [stdout] 16f5a16c75757d2264057a9ed1c8c95d0e5ae3249a969746a0243662d2303c99 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 493468d1f14bbff17e1c620fc0a12d3fd6401d12d378adda7522742eb4dd5c82 [INFO] running `Command { std: "docker" "start" "-a" "493468d1f14bbff17e1c620fc0a12d3fd6401d12d378adda7522742eb4dd5c82", kill_on_drop: false }` [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] = note: `RangeDecoder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling opie v0.1.0 (/opt/rustwide/workdir) [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] [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "493468d1f14bbff17e1c620fc0a12d3fd6401d12d378adda7522742eb4dd5c82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "493468d1f14bbff17e1c620fc0a12d3fd6401d12d378adda7522742eb4dd5c82", kill_on_drop: false }` [INFO] [stdout] 493468d1f14bbff17e1c620fc0a12d3fd6401d12d378adda7522742eb4dd5c82