[INFO] fetching crate devpng 0.1.2...
[INFO] checking devpng-0.1.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate devpng 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate devpng 0.1.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devpng 0.1.2
[INFO] finished tweaking crates.io crate devpng 0.1.2
[INFO] tweaked toml for crates.io crate devpng 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded devker v0.1.6
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af9c6c6e8fd42adbc981a366331f592f17f39bee345f98578c10ee5ebcfc2b41
[INFO] running `Command { std: "docker" "start" "-a" "af9c6c6e8fd42adbc981a366331f592f17f39bee345f98578c10ee5ebcfc2b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af9c6c6e8fd42adbc981a366331f592f17f39bee345f98578c10ee5ebcfc2b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9c6c6e8fd42adbc981a366331f592f17f39bee345f98578c10ee5ebcfc2b41", kill_on_drop: false }`
[INFO] [stdout] af9c6c6e8fd42adbc981a366331f592f17f39bee345f98578c10ee5ebcfc2b41
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dd6cb65934a18a2632d552e15cf3e8ab5f82af9f0b2b25cce1065c4704fe5a8
[INFO] running `Command { std: "docker" "start" "-a" "3dd6cb65934a18a2632d552e15cf3e8ab5f82af9f0b2b25cce1065c4704fe5a8", kill_on_drop: false }`
[INFO] [stderr]     Checking devker v0.1.6
[INFO] [stderr]     Checking devpng v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/bkgd.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BkgdMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/sbit.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SbitMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/trns.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TrnsMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/bkgd.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BkgdMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/sbit.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SbitMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/chunk/trns.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TrnsMut<'a>(&'a mut [u8], ColourType);
[INFO] [stdout]   |            -------                   ^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "3dd6cb65934a18a2632d552e15cf3e8ab5f82af9f0b2b25cce1065c4704fe5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd6cb65934a18a2632d552e15cf3e8ab5f82af9f0b2b25cce1065c4704fe5a8", kill_on_drop: false }`
[INFO] [stdout] 3dd6cb65934a18a2632d552e15cf3e8ab5f82af9f0b2b25cce1065c4704fe5a8