[INFO] fetching crate img-tool 0.1.0...
[INFO] checking img-tool-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate img-tool 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate img-tool 0.1.0
[INFO] finished tweaking crates.io crate img-tool 0.1.0
[INFO] tweaked toml for crates.io crate img-tool 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate img-tool 0.1.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate img-tool 0.1.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a63e96a5d9a2148793441450ab1bdcc400a058eb52c98898bac240ded48adf79
[INFO] running `Command { std: "docker" "start" "-a" "a63e96a5d9a2148793441450ab1bdcc400a058eb52c98898bac240ded48adf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63e96a5d9a2148793441450ab1bdcc400a058eb52c98898bac240ded48adf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63e96a5d9a2148793441450ab1bdcc400a058eb52c98898bac240ded48adf79", kill_on_drop: false }`
[INFO] [stdout] a63e96a5d9a2148793441450ab1bdcc400a058eb52c98898bac240ded48adf79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2d4cd52c6b1f8acc30ab6231f00b68c498fe7cf54c51b0cea1a45ed37dac48e
[INFO] running `Command { std: "docker" "start" "-a" "c2d4cd52c6b1f8acc30ab6231f00b68c498fe7cf54c51b0cea1a45ed37dac48e", kill_on_drop: false }`
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[INFO] [stderr]     Checking img-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TreeParsing`, `TreeTextToPath`, and `fontdb`
[INFO] [stdout]  --> src/cvt/pngToIco.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use usvg::{fontdb, TreeParsing, TreeTextToPath};
[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 imports: `TreeParsing`, `TreeTextToPath`, and `fontdb`
[INFO] [stdout]  --> src/cvt/pngToIco.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use usvg::{fontdb, TreeParsing, TreeTextToPath};
[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::io`
[INFO] [stdout]  --> src/cmd/cvt.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/cmd/cvt.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::CommandFactory`
[INFO] [stdout]  --> src/cmd/cvt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::CommandFactory;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::CommandFactory`
[INFO] [stdout]  --> src/cmd/cvt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::CommandFactory;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Shell` and `generate`
[INFO] [stdout]  --> src/cmd/cvt.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap_complete::{generate, Shell};
[INFO] [stdout]   |                     ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Shell` and `generate`
[INFO] [stdout]  --> src/cmd/cvt.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap_complete::{generate, Shell};
[INFO] [stdout]   |                     ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cli`
[INFO] [stdout]  --> src/cmd/cvt.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::cli::{Cli, Cmd};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cli`
[INFO] [stdout]  --> src/cmd/cvt.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::cli::{Cli, Cmd};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/cmd/cvt.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn call(&self, config: &CliConfig) {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `pngToIco` should have a snake case name
[INFO] [stdout]  --> src/cvt/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod pngToIco;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `png_to_ico`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `svgToPng` should have a snake case name
[INFO] [stdout]  --> src/cvt/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod svgToPng;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `svg_to_png`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/cmd/cvt.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn call(&self, config: &CliConfig) {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `pngToIco` should have a snake case name
[INFO] [stdout]  --> src/cvt/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod pngToIco;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `png_to_ico`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `svgToPng` should have a snake case name
[INFO] [stdout]  --> src/cvt/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod svgToPng;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `svg_to_png`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.97s
[INFO] running `Command { std: "docker" "inspect" "c2d4cd52c6b1f8acc30ab6231f00b68c498fe7cf54c51b0cea1a45ed37dac48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d4cd52c6b1f8acc30ab6231f00b68c498fe7cf54c51b0cea1a45ed37dac48e", kill_on_drop: false }`
[INFO] [stdout] c2d4cd52c6b1f8acc30ab6231f00b68c498fe7cf54c51b0cea1a45ed37dac48e