[INFO] fetching crate l-tool 0.1.3...
[INFO] checking l-tool-0.1.3 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate l-tool 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate l-tool 0.1.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate l-tool 0.1.3
[INFO] tweaked toml for crates.io crate l-tool 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate l-tool 0.1.3 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate l-tool 0.1.3 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `l-tool` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v2.0.0
[INFO] [stderr]   Downloaded serial_test_derive v2.0.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.12.1
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[INFO] [stderr]   Downloaded pom v3.4.0
[INFO] [stderr]   Downloaded printpdf v0.6.0
[INFO] [stderr]   Downloaded lopdf v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec
[INFO] running `Command { std: "docker" "start" "7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `l-tool` (manifest) generated 1 warning
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[INFO] [stderr]     Checking l-tool v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/commands/image/compress.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut encoder = JpegEncoder::new_with_quality(writer, quality);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/commands/image/compress.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut encoder = PngEncoder::new_with_quality(writer, compression, filter);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/commands/image/compress.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut encoder = WebPEncoder::new_lossless(writer);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/commands/image/compress.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut encoder = JpegEncoder::new_with_quality(writer, quality);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/commands/image/compress.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut encoder = PngEncoder::new_with_quality(writer, compression, filter);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/commands/image/compress.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut encoder = WebPEncoder::new_lossless(writer);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `upgrade_time` is never read
[INFO] [stdout]   --> src/commands/js/upgrade.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct PackageUpgradeInfo {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     upgrade_time: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PackageUpgradeInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `upgrade_time` is never read
[INFO] [stdout]   --> src/commands/js/upgrade.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct PackageUpgradeInfo {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     upgrade_time: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PackageUpgradeInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> tests/pdf_bundle_extended.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> tests/pdf_bundle_extended.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_layer`
[INFO] [stdout]  --> tests/pdf_bundle_extended.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let current_layer = doc.get_page(page1).get_layer(layer1);
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_layer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> tests/git_rewrite_ignore.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let output = Command::new("git")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `reqwest`
[INFO] [stderr]   --> Cargo.toml:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 | [dependencies.reqwest]
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `reqwest`
[INFO] [stderr] warning: unused dependency `thiserror`
[INFO] [stderr]   --> Cargo.toml:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 | [dependencies.thiserror]
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `thiserror`
[INFO] [stderr] warning: `l-tool` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec", kill_on_drop: false }`
[INFO] [stdout] 7516a60aea6bfaa7bf8b38a6541a40bcf323a95baa3c3ffdc4225300069501ec
