[INFO] cloning repository https://github.com/ensconced/pngme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ensconced/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fensconced%2Fpngme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fensconced%2Fpngme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c9a61f5b69d831c06c222714afce32fc110cabc [INFO] checking ensconced/pngme against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fensconced%2Fpngme" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ensconced/pngme on toolchain d8810e3e2dab96778d20dd6d746ff95465515509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ensconced/pngme [INFO] finished tweaking git repo https://github.com/ensconced/pngme [INFO] tweaked toml for git repo https://github.com/ensconced/pngme written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ensconced/pngme 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] faaf7105ea25bc763575e4ab09bca07e6ae78a7969a6cdb9e94a5e8817f3ce00 [INFO] running `Command { std: "docker" "start" "-a" "faaf7105ea25bc763575e4ab09bca07e6ae78a7969a6cdb9e94a5e8817f3ce00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faaf7105ea25bc763575e4ab09bca07e6ae78a7969a6cdb9e94a5e8817f3ce00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faaf7105ea25bc763575e4ab09bca07e6ae78a7969a6cdb9e94a5e8817f3ce00", kill_on_drop: false }` [INFO] [stdout] faaf7105ea25bc763575e4ab09bca07e6ae78a7969a6cdb9e94a5e8817f3ce00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8a27358c1c5cd9bfa77a23d274a93213de6002b594d5d2d0591b7be26419e89 [INFO] running `Command { std: "docker" "start" "-a" "e8a27358c1c5cd9bfa77a23d274a93213de6002b594d5d2d0591b7be26419e89", kill_on_drop: false }` [INFO] [stderr] Compiling build_const v0.2.2 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/png.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `length`, `chunk_type`, `crc`, and `new` are never used [INFO] [stdout] --> src/chunk.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl Chunk { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 30 | fn length(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn chunk_type(&self) -> &ChunkType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn crc(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn new(chunk_type: ChunkType, data: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_critical`, `is_public`, `is_reserved_bit_valid`, `is_safe_to_copy`, and `is_valid` are never used [INFO] [stdout] --> src/chunk_type.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl ChunkType { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn is_critical(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn is_public(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn is_reserved_bit_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn is_safe_to_copy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_chunks`, `chunks`, `chunk_by_type`, `append_chunk`, and `remove_chunk` are never used [INFO] [stdout] --> src/png.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Png { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 13 | fn from_chunks(chunks: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn chunks(&self) -> &Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn append_chunk(&mut self, chunk: Chunk) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn remove_chunk(&mut self, chunk_type_str: &str) -> Result<(), ()> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "e8a27358c1c5cd9bfa77a23d274a93213de6002b594d5d2d0591b7be26419e89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8a27358c1c5cd9bfa77a23d274a93213de6002b594d5d2d0591b7be26419e89", kill_on_drop: false }` [INFO] [stdout] e8a27358c1c5cd9bfa77a23d274a93213de6002b594d5d2d0591b7be26419e89