[INFO] cloning repository https://github.com/dcchut/dcc-lsystem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcchut/dcc-lsystem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Fdcc-lsystem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Fdcc-lsystem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c368025ff12fa07b398df8fd76337aaac2e820f
[INFO] checking dcchut/dcc-lsystem/6c368025ff12fa07b398df8fd76337aaac2e820f against master#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcchut%2Fdcc-lsystem" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dcchut/dcc-lsystem
[INFO] finished tweaking git repo https://github.com/dcchut/dcc-lsystem
[INFO] tweaked toml for git repo https://github.com/dcchut/dcc-lsystem written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dcchut/dcc-lsystem on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 158 packages to latest compatible versions
[INFO] [stderr]       Adding gif v0.12.0 (available: v0.13.3)
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.8)
[INFO] [stderr]       Adding imageproc v0.23.0 (available: v0.25.0)
[INFO] [stderr]       Adding mtpng v0.3.5 (available: v0.4.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-channel v1.2.0
[INFO] [stderr]   Downloaded gifski v1.34.0
[INFO] [stderr]   Downloaded dcc-lsystem-derive v0.1.2
[INFO] [stderr]   Downloaded gif-dispose v5.0.1
[INFO] [stderr]   Downloaded pbr v1.1.1
[INFO] [stderr]   Downloaded imagequant v4.4.1
[INFO] [stderr]   Downloaded resize v0.8.8
[INFO] [stderr]   Downloaded yuv v0.1.9
[INFO] [stderr]   Downloaded lodepng v3.12.1
[INFO] [stderr]   Downloaded natord v1.0.9
[INFO] [stderr]   Downloaded y4m v0.8.0
[INFO] [stderr]   Downloaded imageproc v0.23.0
[INFO] [stderr]   Downloaded mtpng v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ee095b4b10e14d7de8c77f4ef10402cf01fa95d5adecef54d828345c3deafe4
[INFO] running `Command { std: "docker" "start" "-a" "9ee095b4b10e14d7de8c77f4ef10402cf01fa95d5adecef54d828345c3deafe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ee095b4b10e14d7de8c77f4ef10402cf01fa95d5adecef54d828345c3deafe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee095b4b10e14d7de8c77f4ef10402cf01fa95d5adecef54d828345c3deafe4", kill_on_drop: false }`
[INFO] [stdout] 9ee095b4b10e14d7de8c77f4ef10402cf01fa95d5adecef54d828345c3deafe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b7d2bbcdd773397bfa81e377c75a2c3aaf646b22be752ed9fcce66c30620509
[INFO] running `Command { std: "docker" "start" "-a" "1b7d2bbcdd773397bfa81e377c75a2c3aaf646b22be752ed9fcce66c30620509", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.102
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling quote v1.0.41
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[INFO] [stderr]     Checking loop9 v0.1.5
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[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking dyn-clone v1.0.20
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[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling dcc-lsystem-derive v0.1.2
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking dcc-lsystem-derive v0.1.2 (/opt/rustwide/workdir/dcc-lsystem-derive)
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking imageproc v0.23.0
[INFO] [stderr]     Checking dcc-lsystem v0.7.0 (/opt/rustwide/workdir/dcc-lsystem)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dcc-lsystem/src/arena.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dcc-lsystem/src/arena.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> dcc-lsystem/examples/random_fractal_generator.rs:60:57
[INFO] [stdout]    |
[INFO] [stdout] 60 |             axiom.push(choices.choose(&mut rng).unwrap().clone());
[INFO] [stdout]    |                                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> dcc-lsystem/examples/random_fractal_generator.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |                           .0
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 77 | |                         .clone(),
[INFO] [stdout]    | |________________________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> dcc-lsystem/examples/random_fractal_generator.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |                           .0
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 95 | |                         .clone(),
[INFO] [stdout]    | |________________________________^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "1b7d2bbcdd773397bfa81e377c75a2c3aaf646b22be752ed9fcce66c30620509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7d2bbcdd773397bfa81e377c75a2c3aaf646b22be752ed9fcce66c30620509", kill_on_drop: false }`
[INFO] [stdout] 1b7d2bbcdd773397bfa81e377c75a2c3aaf646b22be752ed9fcce66c30620509
