[INFO] fetching crate queens-rock 0.1.1...
[INFO] testing queens-rock-0.1.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate queens-rock 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate queens-rock 0.1.1
[INFO] finished tweaking crates.io crate queens-rock 0.1.1
[INFO] tweaked toml for crates.io crate queens-rock 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate queens-rock 0.1.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate queens-rock 0.1.1 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5b664d290804a35c8708d4e9cbb593c41cf9fa0b2e1bc1aefa70633258b9f49
[INFO] running `Command { std: "docker" "start" "-a" "c5b664d290804a35c8708d4e9cbb593c41cf9fa0b2e1bc1aefa70633258b9f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5b664d290804a35c8708d4e9cbb593c41cf9fa0b2e1bc1aefa70633258b9f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b664d290804a35c8708d4e9cbb593c41cf9fa0b2e1bc1aefa70633258b9f49", kill_on_drop: false }`
[INFO] [stdout] c5b664d290804a35c8708d4e9cbb593c41cf9fa0b2e1bc1aefa70633258b9f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c866952b848c2243e57a329cbfbb666aac80f992b5b1533dcba8d773f2024a6b
[INFO] running `Command { std: "docker" "start" "-a" "c866952b848c2243e57a329cbfbb666aac80f992b5b1533dcba8d773f2024a6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling queens-rock v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/gf256.rs:90:30
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     self.exp[((255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255)];
[INFO] [stdout]    |                              ^                                                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -                     self.exp[((255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255)];
[INFO] [stdout] 90 +                     self.exp[(255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/gf256.rs:114:39
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     *item ^= self.exp[((self.log[c as usize] as usize + i * j) % self.p)];
[INFO] [stdout]     |                                       ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                     *item ^= self.exp[((self.log[c as usize] as usize + i * j) % self.p)];
[INFO] [stdout] 114 +                     *item ^= self.exp[(self.log[c as usize] as usize + i * j) % self.p];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/gf256.rs:192:22
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     [((self.log[*v as usize] as usize + log_c as usize) % self.p as usize)];
[INFO] [stdout]     |                      ^                                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -                     [((self.log[*v as usize] as usize + log_c as usize) % self.p as usize)];
[INFO] [stdout] 192 +                     [(self.log[*v as usize] as usize + log_c as usize) % self.p as usize];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/pixels.rs:209:26
[INFO] [stdout]     |
[INFO] [stdout] 209 |             for i in row[(left..=right)].iter_mut() {
[INFO] [stdout]     |                          ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 209 -             for i in row[(left..=right)].iter_mut() {
[INFO] [stdout] 209 +             for i in row[left..=right].iter_mut() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ring` and `stone` are never read
[INFO] [stdout]   --> src/identify.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Capstone {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 |     pub ring: Rc<RefCell<Region>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub stone: Rc<RefCell<Region>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Capstone` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/bit_vec.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn iter(&self) -> Iter<E> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn iter(&self) -> Iter<'_, E> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "c866952b848c2243e57a329cbfbb666aac80f992b5b1533dcba8d773f2024a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c866952b848c2243e57a329cbfbb666aac80f992b5b1533dcba8d773f2024a6b", kill_on_drop: false }`
[INFO] [stdout] c866952b848c2243e57a329cbfbb666aac80f992b5b1533dcba8d773f2024a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3efbd5270f172e093264db56b73f321b472a9f2196f1bbbd294a04069eb01d51
[INFO] running `Command { std: "docker" "start" "-a" "3efbd5270f172e093264db56b73f321b472a9f2196f1bbbd294a04069eb01d51", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/gf256.rs:90:30
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     self.exp[((255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255)];
[INFO] [stdout]    |                              ^                                                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -                     self.exp[((255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255)];
[INFO] [stdout] 90 +                     self.exp[(255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/gf256.rs:114:39
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     *item ^= self.exp[((self.log[c as usize] as usize + i * j) % self.p)];
[INFO] [stdout]     |                                       ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                     *item ^= self.exp[((self.log[c as usize] as usize + i * j) % self.p)];
[INFO] [stdout] 114 +                     *item ^= self.exp[(self.log[c as usize] as usize + i * j) % self.p];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/gf256.rs:192:22
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     [((self.log[*v as usize] as usize + log_c as usize) % self.p as usize)];
[INFO] [stdout]     |                      ^                                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -                     [((self.log[*v as usize] as usize + log_c as usize) % self.p as usize)];
[INFO] [stdout] 192 +                     [(self.log[*v as usize] as usize + log_c as usize) % self.p as usize];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/pixels.rs:209:26
[INFO] [stdout]     |
[INFO] [stdout] 209 |             for i in row[(left..=right)].iter_mut() {
[INFO] [stdout]     |                          ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 209 -             for i in row[(left..=right)].iter_mut() {
[INFO] [stdout] 209 +             for i in row[left..=right].iter_mut() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ring` and `stone` are never read
[INFO] [stdout]   --> src/identify.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Capstone {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 |     pub ring: Rc<RefCell<Region>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub stone: Rc<RefCell<Region>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Capstone` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/bit_vec.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn iter(&self) -> Iter<E> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn iter(&self) -> Iter<'_, E> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling queens-rock v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/gf256.rs:90:30
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     self.exp[((255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255)];
[INFO] [stdout]    |                              ^                                                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -                     self.exp[((255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255)];
[INFO] [stdout] 90 +                     self.exp[(255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/gf256.rs:114:39
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     *item ^= self.exp[((self.log[c as usize] as usize + i * j) % self.p)];
[INFO] [stdout]     |                                       ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                     *item ^= self.exp[((self.log[c as usize] as usize + i * j) % self.p)];
[INFO] [stdout] 114 +                     *item ^= self.exp[(self.log[c as usize] as usize + i * j) % self.p];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/gf256.rs:192:22
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     [((self.log[*v as usize] as usize + log_c as usize) % self.p as usize)];
[INFO] [stdout]     |                      ^                                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -                     [((self.log[*v as usize] as usize + log_c as usize) % self.p as usize)];
[INFO] [stdout] 192 +                     [(self.log[*v as usize] as usize + log_c as usize) % self.p as usize];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/pixels.rs:209:26
[INFO] [stdout]     |
[INFO] [stdout] 209 |             for i in row[(left..=right)].iter_mut() {
[INFO] [stdout]     |                          ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 209 -             for i in row[(left..=right)].iter_mut() {
[INFO] [stdout] 209 +             for i in row[left..=right].iter_mut() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `error` and `text` are never read
[INFO] [stdout]   --> examples/scanner.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Code {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 11 |     pub error: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 12 |     pub text: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ring` and `stone` are never read
[INFO] [stdout]   --> src/identify.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Capstone {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 |     pub ring: Rc<RefCell<Region>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub stone: Rc<RefCell<Region>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Capstone` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/bit_vec.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn iter(&self) -> Iter<E> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn iter(&self) -> Iter<'_, E> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 32.57s
[INFO] running `Command { std: "docker" "inspect" "3efbd5270f172e093264db56b73f321b472a9f2196f1bbbd294a04069eb01d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efbd5270f172e093264db56b73f321b472a9f2196f1bbbd294a04069eb01d51", kill_on_drop: false }`
[INFO] [stdout] 3efbd5270f172e093264db56b73f321b472a9f2196f1bbbd294a04069eb01d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25909e705f463d81b23c28d48e07bafe157595898110726e7a7dcdec3062b153
[INFO] running `Command { std: "docker" "start" "-a" "25909e705f463d81b23c28d48e07bafe157595898110726e7a7dcdec3062b153", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/gf256.rs:90:30
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     self.exp[((255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255)];
[INFO] [stderr]    |                              ^                                                                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 90 -                     self.exp[((255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255)];
[INFO] [stderr] 90 +                     self.exp[(255 + self.log[omega_x] as usize - self.log[sd_x] as usize) % 255];
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/gf256.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 114 |                     *item ^= self.exp[((self.log[c as usize] as usize + i * j) % self.p)];
[INFO] [stderr]     |                                       ^                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 114 -                     *item ^= self.exp[((self.log[c as usize] as usize + i * j) % self.p)];
[INFO] [stderr] 114 +                     *item ^= self.exp[(self.log[c as usize] as usize + i * j) % self.p];
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/gf256.rs:192:22
[INFO] [stderr]     |
[INFO] [stderr] 192 |                     [((self.log[*v as usize] as usize + log_c as usize) % self.p as usize)];
[INFO] [stderr]     |                      ^                                                                   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 192 -                     [((self.log[*v as usize] as usize + log_c as usize) % self.p as usize)];
[INFO] [stderr] 192 +                     [(self.log[*v as usize] as usize + log_c as usize) % self.p as usize];
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/pixels.rs:209:26
[INFO] [stderr]     |
[INFO] [stderr] 209 |             for i in row[(left..=right)].iter_mut() {
[INFO] [stderr]     |                          ^            ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 209 -             for i in row[(left..=right)].iter_mut() {
[INFO] [stderr] 209 +             for i in row[left..=right].iter_mut() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ring` and `stone` are never read
[INFO] [stderr]   --> src/identify.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Capstone {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 22 |     pub ring: Rc<RefCell<Region>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 23 |     pub stone: Rc<RefCell<Region>>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Capstone` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/bit_vec.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn iter(&self) -> Iter<E> {
[INFO] [stderr]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn iter(&self) -> Iter<'_, E> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `queens-rock` (lib) generated 6 warnings (run `cargo fix --lib -p queens-rock` to apply 4 suggestions)
[INFO] [stderr] warning: fields `error` and `text` are never read
[INFO] [stderr]   --> examples/scanner.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Code {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 11 |     pub error: Option<String>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 12 |     pub text: Option<String>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `queens-rock` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: `queens-rock` (example "scanner") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/queens_rock-e1e193c5be3c560d)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test bit_vec::tests::test_bit_iterator ... ok
[INFO] [stdout] test bit_vec::tests::test_bit_order ... ok
[INFO] [stdout] test bit_vec::tests::test_iter ... ok
[INFO] [stdout] test bit_vec::tests::test_len ... ok
[INFO] [stdout] test bit_vec::tests::test_push_pop ... ok
[INFO] [stdout] test bit_vec::tests::test_resize ... ok
[INFO] [stdout] test bit_vec::tests::test_capacity ... FAILED
[INFO] [stdout] test tests::test_scan_ver10 ... ok
[INFO] [stdout] test tests::test_scan ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test tests::test_decode_ver40 ... ok
[INFO] [stdout] test tests::test_decode_damaged ... ok
[INFO] [stdout] test tests::test_scan_multi ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- bit_vec::tests::test_capacity stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'bit_vec::tests::test_capacity' panicked at src/bit_vec.rs:269:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 64
[INFO] [stdout]  right: 8
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57a940955882 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57a940955882 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57a940955882 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57a940955882 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57a94097c253 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x57a94097c253 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x57a9409527c3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57a9409527c3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x57a9409556d2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57a940956dfc - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x57a940956c52 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x57a94089fb64 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x57a94089fb64 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57a9409578db - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x57a9409578db - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x57a9409575aa - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x57a940955d79 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x57a94095723d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x57a94097ada0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x57a94097b037 - core::panicking::assert_failed_inner::h6a89cd271393c011
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x57a94097af89 - core::panicking::assert_failed::h20563a97be4f023a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x57a940861993 - queens_rock::bit_vec::tests::test_capacity::habf49099fd6f1738
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bit_vec.rs:269:13
[INFO] [stdout]   22:     0x57a9408637c9 - queens_rock::bit_vec::tests::test_capacity::{{closure}}::h160f37779758887e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bit_vec.rs:260:23
[INFO] [stdout]   23:     0x57a9408637c9 - core::ops::function::FnOnce::call_once::h146d7bd8bd30d52c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57a9408a529b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57a9408a529b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x57a9408a44de - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x57a9408a44de - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x57a9408a44de - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x57a9408a44de - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x57a9408a44de - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57a9408a44de - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x57a9408a44de - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x57a940868084 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x57a940868084 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x57a94086ba2a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x57a94086ba2a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x57a94086ba2a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x57a94086ba2a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x57a94086ba2a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x57a94086ba2a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x57a94086ba2a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x57a94095a937 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x57a94095a937 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x57a94095a937 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x74d010713aa4 - <unknown>
[INFO] [stdout]   46:     0x74d0107a0a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     bit_vec::tests::test_capacity
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "25909e705f463d81b23c28d48e07bafe157595898110726e7a7dcdec3062b153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25909e705f463d81b23c28d48e07bafe157595898110726e7a7dcdec3062b153", kill_on_drop: false }`
[INFO] [stdout] 25909e705f463d81b23c28d48e07bafe157595898110726e7a7dcdec3062b153
