[INFO] cloning repository https://github.com/davidhelbig/pngme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidhelbig/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidhelbig%2Fpngme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidhelbig%2Fpngme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 770c95c880b81ce9c398ada235ef8cb03fa0f672 [INFO] checking davidhelbig/pngme against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidhelbig%2Fpngme" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/davidhelbig/pngme [INFO] finished tweaking git repo https://github.com/davidhelbig/pngme [INFO] tweaked toml for git repo https://github.com/davidhelbig/pngme written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/davidhelbig/pngme on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/davidhelbig/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crc v2.1.0 [INFO] [stderr] Downloaded crc-catalog v1.1.1 [INFO] [stderr] Downloaded clap v3.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e11ae00c29afb07fbdba29872586e25071d8275074a3239e3a23cc310cae3bd [INFO] running `Command { std: "docker" "start" "-a" "1e11ae00c29afb07fbdba29872586e25071d8275074a3239e3a23cc310cae3bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e11ae00c29afb07fbdba29872586e25071d8275074a3239e3a23cc310cae3bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e11ae00c29afb07fbdba29872586e25071d8275074a3239e3a23cc310cae3bd", kill_on_drop: false }` [INFO] [stdout] 1e11ae00c29afb07fbdba29872586e25071d8275074a3239e3a23cc310cae3bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31343789d0e65e6fec77f167f0c74bd3b601a0e673cc25f0e34eeae801fb618b [INFO] running `Command { std: "docker" "start" "-a" "31343789d0e65e6fec77f167f0c74bd3b601a0e673cc25f0e34eeae801fb618b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Checking crc-catalog v1.1.1 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Checking crc v2.1.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v3.1.5 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `length`, `data`, and `crc` are never used [INFO] [stdout] --> src/chunk.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 57 | impl Chunk { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn length(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn data(&self) -> &[u8] { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | pub fn crc(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_critical`, `is_public`, and `is_safe_to_copy` are never used [INFO] [stdout] --> src/chunk_type.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 44 | impl ChunkType { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn is_critical(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn is_public(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn is_safe_to_copy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_chunks` and `header` are never used [INFO] [stdout] --> src/png.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 45 | impl Png { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn from_chunks(chunks: Vec) -> Png { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn header(&self) -> &[u8; 8] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chunk` [INFO] [stdout] --> src/chunk.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | let chunk: Chunk = TryFrom::try_from(chunk_data.as_ref()).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `png` [INFO] [stdout] --> src/png.rs:288:13 [INFO] [stdout] | [INFO] [stdout] 288 | let png: Png = TryFrom::try_from(bytes.as_ref()).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_png` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `data` is never used [INFO] [stdout] --> src/chunk.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 57 | impl Chunk { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn data(&self) -> &[u8] { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `header` is never used [INFO] [stdout] --> src/png.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 45 | impl Png { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn header(&self) -> &[u8; 8] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s [INFO] running `Command { std: "docker" "inspect" "31343789d0e65e6fec77f167f0c74bd3b601a0e673cc25f0e34eeae801fb618b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31343789d0e65e6fec77f167f0c74bd3b601a0e673cc25f0e34eeae801fb618b", kill_on_drop: false }` [INFO] [stdout] 31343789d0e65e6fec77f167f0c74bd3b601a0e673cc25f0e34eeae801fb618b