[INFO] fetching crate bitutils2 0.1.1...
[INFO] checking bitutils2-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate bitutils2 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bitutils2 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitutils2 0.1.1
[INFO] finished tweaking crates.io crate bitutils2 0.1.1
[INFO] tweaked toml for crates.io crate bitutils2 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 902308aea611a63e4f20673e248cb567aa03df5914fa7cf4188a14b56bd81c07
[INFO] running `Command { std: "docker" "start" "-a" "902308aea611a63e4f20673e248cb567aa03df5914fa7cf4188a14b56bd81c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902308aea611a63e4f20673e248cb567aa03df5914fa7cf4188a14b56bd81c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902308aea611a63e4f20673e248cb567aa03df5914fa7cf4188a14b56bd81c07", kill_on_drop: false }`
[INFO] [stdout] 902308aea611a63e4f20673e248cb567aa03df5914fa7cf4188a14b56bd81c07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5705e5f4159db06f0493a30e6fbbdfcd0c92c289d007f3a1d839f62ca119b536
[INFO] running `Command { std: "docker" "start" "-a" "5705e5f4159db06f0493a30e6fbbdfcd0c92c289d007f3a1d839f62ca119b536", kill_on_drop: false }`
[INFO] [stderr]     Checking bitutils2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `EscapeIter`
[INFO] [stdout]   --> src/bin_regex/mod.rs:57:39
[INFO] [stdout]    |
[INFO] [stdout] 57 | use crate::bin_regex::parse_helpers::{EscapeIter, escape_vec, find_right_delimiter};
[INFO] [stdout]    |                                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EscapeIter`
[INFO] [stdout]   --> src/bin_regex/mod.rs:57:39
[INFO] [stdout]    |
[INFO] [stdout] 57 | use crate::bin_regex::parse_helpers::{EscapeIter, escape_vec, find_right_delimiter};
[INFO] [stdout]    |                                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin_regex/parse_helpers.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut input_iter = escape_slice(&input[start..]);
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `escaped`
[INFO] [stdout]    --> src/bin_regex/mod.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut escaped = false;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_escaped`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/bin_regex/mod.rs:211:26
[INFO] [stdout]     |
[INFO] [stdout] 211 |                     Some(p) if range_started => return Err("Unexpected '-' encountered after '-'".to_string()),
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/bin_regex/mod.rs:212:26
[INFO] [stdout]     |
[INFO] [stdout] 212 |                     Some(p) => {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin_regex/mod.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut escaped = false;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n0`
[INFO] [stdout]    --> src/bin_regex/mod.rs:312:48
[INFO] [stdout]     |
[INFO] [stdout] 312 |                     RangeParseProgress::TwoDot(n0) => {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_n0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n0`
[INFO] [stdout]    --> src/bin_regex/mod.rs:319:48
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     RangeParseProgress::OneDot(n0) => {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_n0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin_regex/mod.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |         for mut transition in transitions {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin_regex/mod.rs:889:39
[INFO] [stdout]     |
[INFO] [stdout] 889 | fn check_state_flags<T: BitIndexable>(input: &T, flags: &Vec<StateFlag>, offset: BitIndex) -> bool {
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TextEncoding` is never used
[INFO] [stdout]    --> src/bin_regex/mod.rs:126:6
[INFO] [stdout]     |
[INFO] [stdout] 126 | enum TextEncoding {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `escape_str` is never used
[INFO] [stdout]  --> src/bin_regex/parse_helpers.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn escape_str(input: &str) -> EscapeIter<std::str::Chars> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin_regex/parse_helpers.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut input_iter = escape_slice(&input[start..]);
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `escaped`
[INFO] [stdout]    --> src/bin_regex/mod.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut escaped = false;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_escaped`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/bin_regex/mod.rs:211:26
[INFO] [stdout]     |
[INFO] [stdout] 211 |                     Some(p) if range_started => return Err("Unexpected '-' encountered after '-'".to_string()),
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/bin_regex/mod.rs:212:26
[INFO] [stdout]     |
[INFO] [stdout] 212 |                     Some(p) => {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin_regex/mod.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut escaped = false;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n0`
[INFO] [stdout]    --> src/bin_regex/mod.rs:312:48
[INFO] [stdout]     |
[INFO] [stdout] 312 |                     RangeParseProgress::TwoDot(n0) => {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_n0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n0`
[INFO] [stdout]    --> src/bin_regex/mod.rs:319:48
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     RangeParseProgress::OneDot(n0) => {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_n0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin_regex/mod.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |         for mut transition in transitions {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin_regex/mod.rs:889:39
[INFO] [stdout]     |
[INFO] [stdout] 889 | fn check_state_flags<T: BitIndexable>(input: &T, flags: &Vec<StateFlag>, offset: BitIndex) -> bool {
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TextEncoding` is never used
[INFO] [stdout]    --> src/bin_regex/mod.rs:126:6
[INFO] [stdout]     |
[INFO] [stdout] 126 | enum TextEncoding {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `escape_str` is never used
[INFO] [stdout]  --> src/bin_regex/parse_helpers.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn escape_str(input: &str) -> EscapeIter<std::str::Chars> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "5705e5f4159db06f0493a30e6fbbdfcd0c92c289d007f3a1d839f62ca119b536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5705e5f4159db06f0493a30e6fbbdfcd0c92c289d007f3a1d839f62ca119b536", kill_on_drop: false }`
[INFO] [stdout] 5705e5f4159db06f0493a30e6fbbdfcd0c92c289d007f3a1d839f62ca119b536