[INFO] cloning repository https://github.com/AngelLomeli/imagetools-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AngelLomeli/imagetools-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelLomeli%2Fimagetools-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelLomeli%2Fimagetools-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02a8933949a2fe3f97016ecf49866f8d6246446a
[INFO] building AngelLomeli/imagetools-rs against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelLomeli%2Fimagetools-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AngelLomeli/imagetools-rs on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AngelLomeli/imagetools-rs
[INFO] finished tweaking git repo https://github.com/AngelLomeli/imagetools-rs
[INFO] tweaked toml for git repo https://github.com/AngelLomeli/imagetools-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AngelLomeli/imagetools-rs 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" "+334963c956d25708feab489a3816ae63f639355d" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2df8eec80df27d35a74bd3f0cfd1d3a69d2ec5fdae5ef16ceaef6460c9c4441e
[INFO] running `Command { std: "docker" "start" "-a" "2df8eec80df27d35a74bd3f0cfd1d3a69d2ec5fdae5ef16ceaef6460c9c4441e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2df8eec80df27d35a74bd3f0cfd1d3a69d2ec5fdae5ef16ceaef6460c9c4441e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df8eec80df27d35a74bd3f0cfd1d3a69d2ec5fdae5ef16ceaef6460c9c4441e", kill_on_drop: false }`
[INFO] [stdout] 2df8eec80df27d35a74bd3f0cfd1d3a69d2ec5fdae5ef16ceaef6460c9c4441e
[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" "-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" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c7e92b2d7996764b2e255ae11349e496742c7f5cdc7cd89e5e108369651095
[INFO] running `Command { std: "docker" "start" "-a" "14c7e92b2d7996764b2e255ae11349e496742c7f5cdc7cd89e5e108369651095", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagetools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/png.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         &self.ihdr_chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let _ = &self.ihdr_chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/png.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             &chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let _ = &chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "14c7e92b2d7996764b2e255ae11349e496742c7f5cdc7cd89e5e108369651095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c7e92b2d7996764b2e255ae11349e496742c7f5cdc7cd89e5e108369651095", kill_on_drop: false }`
[INFO] [stdout] 14c7e92b2d7996764b2e255ae11349e496742c7f5cdc7cd89e5e108369651095
[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" "-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" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6e2c249c4ebf325af2269554bee4c1b4808d68040c3e272ff3558347fd9e80d
[INFO] running `Command { std: "docker" "start" "-a" "e6e2c249c4ebf325af2269554bee4c1b4808d68040c3e272ff3558347fd9e80d", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagetools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/png.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         &self.ihdr_chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let _ = &self.ihdr_chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/png.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             &chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let _ = &chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/png.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         &self.ihdr_chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let _ = &self.ihdr_chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/png.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             &chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let _ = &chunk.write_to_file(&mut buffer)?;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "e6e2c249c4ebf325af2269554bee4c1b4808d68040c3e272ff3558347fd9e80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e2c249c4ebf325af2269554bee4c1b4808d68040c3e272ff3558347fd9e80d", kill_on_drop: false }`
[INFO] [stdout] e6e2c249c4ebf325af2269554bee4c1b4808d68040c3e272ff3558347fd9e80d
