[INFO] fetching crate opie 0.1.0...
[INFO] building opie-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate opie 0.1.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate opie 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d384d04e4561b039d3337c4f137169394b001d0248f69564df70a011e1f91481
[INFO] running `Command { std: "docker" "start" "-a" "d384d04e4561b039d3337c4f137169394b001d0248f69564df70a011e1f91481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d384d04e4561b039d3337c4f137169394b001d0248f69564df70a011e1f91481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d384d04e4561b039d3337c4f137169394b001d0248f69564df70a011e1f91481", kill_on_drop: false }`
[INFO] [stdout] d384d04e4561b039d3337c4f137169394b001d0248f69564df70a011e1f91481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da36d14fa6df236cd34b272f54ba2d68e94ca38f5a8987f53d20131f43cb3ee8
[INFO] running `Command { std: "docker" "start" "-a" "da36d14fa6df236cd34b272f54ba2d68e94ca38f5a8987f53d20131f43cb3ee8", 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)]` (part of `#[warn(unused)]`) 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<u32> {
[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 1.18s
[INFO] running `Command { std: "docker" "inspect" "da36d14fa6df236cd34b272f54ba2d68e94ca38f5a8987f53d20131f43cb3ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da36d14fa6df236cd34b272f54ba2d68e94ca38f5a8987f53d20131f43cb3ee8", kill_on_drop: false }`
[INFO] [stdout] da36d14fa6df236cd34b272f54ba2d68e94ca38f5a8987f53d20131f43cb3ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4669bc5354b2def3f79e55ec4fb73bacd9d6a3a3b3238d66d6ae6d84c3eaa35a
[INFO] running `Command { std: "docker" "start" "-a" "4669bc5354b2def3f79e55ec4fb73bacd9d6a3a3b3238d66d6ae6d84c3eaa35a", 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)]` (part of `#[warn(unused)]`) 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<u32> {
[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]    Compiling 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)]` (part of `#[warn(unused)]`) 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<u32> {
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "4669bc5354b2def3f79e55ec4fb73bacd9d6a3a3b3238d66d6ae6d84c3eaa35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4669bc5354b2def3f79e55ec4fb73bacd9d6a3a3b3238d66d6ae6d84c3eaa35a", kill_on_drop: false }`
[INFO] [stdout] 4669bc5354b2def3f79e55ec4fb73bacd9d6a3a3b3238d66d6ae6d84c3eaa35a
