[INFO] fetching crate dxrs 0.0.1...
[INFO] checking dxrs-0.0.1 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] extracting crate dxrs 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate dxrs 0.0.1 on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dxrs 0.0.1
[INFO] finished tweaking crates.io crate dxrs 0.0.1
[INFO] tweaked toml for crates.io crate dxrs 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate dxrs 0.0.1 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" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c6d787e2142ce2c90a8f8e73d453c392ee95200b4fda582a1a7ab689884532b
[INFO] running `Command { std: "docker" "start" "-a" "7c6d787e2142ce2c90a8f8e73d453c392ee95200b4fda582a1a7ab689884532b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c6d787e2142ce2c90a8f8e73d453c392ee95200b4fda582a1a7ab689884532b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6d787e2142ce2c90a8f8e73d453c392ee95200b4fda582a1a7ab689884532b", kill_on_drop: false }`
[INFO] [stdout] 7c6d787e2142ce2c90a8f8e73d453c392ee95200b4fda582a1a7ab689884532b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 447a942fda97eaf120154bed4769b8c4a9ca082660162f7869f84b419957d26a
[INFO] running `Command { std: "docker" "start" "-a" "447a942fda97eaf120154bed4769b8c4a9ca082660162f7869f84b419957d26a", kill_on_drop: false }`
[INFO] [stderr]     Checking dxrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/parse.rs:1184:10
[INFO] [stdout]      |
[INFO] [stdout] 1184 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/parse.rs:1184:10
[INFO] [stdout]      |
[INFO] [stdout] 1184 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse.rs:615:12
[INFO] [stdout]     |
[INFO] [stdout] 615 |     fn new(mut chars: Chars<'a>) -> Self {
[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: `iter`
[INFO] [stdout]    --> src/parse.rs:793:14
[INFO] [stdout]     |
[INFO] [stdout] 793 |         fn f(iter: &CharIter, c: char) {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current` and `index` are never used
[INFO] [stdout]    --> src/parse.rs:630:8
[INFO] [stdout]     |
[INFO] [stdout] 613 | impl<'a> CharIter<'a> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 630 |     fn current(&self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 671 |     fn index(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]    --> src/parse.rs:793:12
[INFO] [stdout]     |
[INFO] [stdout] 793 |         fn f(iter: &CharIter, c: char) {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse.rs:615:12
[INFO] [stdout]     |
[INFO] [stdout] 615 |     fn new(mut chars: Chars<'a>) -> Self {
[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: `iter`
[INFO] [stdout]    --> src/parse.rs:793:14
[INFO] [stdout]     |
[INFO] [stdout] 793 |         fn f(iter: &CharIter, c: char) {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current` and `index` are never used
[INFO] [stdout]    --> src/parse.rs:630:8
[INFO] [stdout]     |
[INFO] [stdout] 613 | impl<'a> CharIter<'a> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 630 |     fn current(&self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 671 |     fn index(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]    --> src/parse.rs:793:12
[INFO] [stdout]     |
[INFO] [stdout] 793 |         fn f(iter: &CharIter, c: char) {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "447a942fda97eaf120154bed4769b8c4a9ca082660162f7869f84b419957d26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447a942fda97eaf120154bed4769b8c4a9ca082660162f7869f84b419957d26a", kill_on_drop: false }`
[INFO] [stdout] 447a942fda97eaf120154bed4769b8c4a9ca082660162f7869f84b419957d26a