[INFO] cloning repository https://github.com/suhailmuhammed157/pngme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhailmuhammed157/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhailmuhammed157%2Fpngme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhailmuhammed157%2Fpngme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a348821365cd8838be40eb1be4defb6e4e680d0 [INFO] checking suhailmuhammed157/pngme against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhailmuhammed157%2Fpngme" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/suhailmuhammed157/pngme [INFO] finished tweaking git repo https://github.com/suhailmuhammed157/pngme [INFO] tweaked toml for git repo https://github.com/suhailmuhammed157/pngme written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/suhailmuhammed157/pngme on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/suhailmuhammed157/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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35a7e69a173df3fef45ffe50f968f4a430d43f7401a83f5fe6f4822fd1dae92c [INFO] running `Command { std: "docker" "start" "-a" "35a7e69a173df3fef45ffe50f968f4a430d43f7401a83f5fe6f4822fd1dae92c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35a7e69a173df3fef45ffe50f968f4a430d43f7401a83f5fe6f4822fd1dae92c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35a7e69a173df3fef45ffe50f968f4a430d43f7401a83f5fe6f4822fd1dae92c", kill_on_drop: false }` [INFO] [stdout] 35a7e69a173df3fef45ffe50f968f4a430d43f7401a83f5fe6f4822fd1dae92c [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 61d8a46c64f70b84b9aac13fb19e117be01de79a82904d0cbd109ba7a8cabe85 [INFO] running `Command { std: "docker" "start" "-a" "61d8a46c64f70b84b9aac13fb19e117be01de79a82904d0cbd109ba7a8cabe85", kill_on_drop: false }` [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ffi::os_str::Display` [INFO] [stdout] --> src/chunk.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{ffi::os_str::Display, fmt, io::Read, str::FromStr, string::FromUtf8Error}; [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: `ffi::os_str::Display` [INFO] [stdout] --> src/chunk.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{ffi::os_str::Display, fmt, io::Read, str::FromStr, string::FromUtf8Error}; [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: `io::Read` [INFO] [stdout] --> src/chunk.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{ffi::os_str::Display, fmt, io::Read, str::FromStr, string::FromUtf8Error}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Chunk` is never constructed [INFO] [stdout] --> src/chunk.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Chunk { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `length`, `crc`, `chunk_type`, and `data_as_string` are never used [INFO] [stdout] --> src/chunk.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl Chunk { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 22 | fn new(chunk_type: ChunkType, chunk_data: Vec) -> Chunk { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn length(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn crc(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn chunk_type(&self) -> &ChunkType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn data_as_string(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ChunkTypeError` is never used [INFO] [stdout] --> src/chunk_type.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum ChunkTypeError { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ChunkType` is never constructed [INFO] [stdout] --> src/chunk_type.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ChunkType([u8; 4]); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `bytes`, `is_critical`, `is_public`, `is_reserved_bit_valid`, `is_safe_to_copy`, and `is_valid` are never used [INFO] [stdout] --> src/chunk_type.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 48 | impl ChunkType { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 49 | pub fn bytes(&self) -> [u8; 4] { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn is_critical(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn is_public(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | fn is_reserved_bit_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | fn is_safe_to_copy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/chunk.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{ffi::os_str::Display, fmt, io::Read, str::FromStr, string::FromUtf8Error}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "61d8a46c64f70b84b9aac13fb19e117be01de79a82904d0cbd109ba7a8cabe85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61d8a46c64f70b84b9aac13fb19e117be01de79a82904d0cbd109ba7a8cabe85", kill_on_drop: false }` [INFO] [stdout] 61d8a46c64f70b84b9aac13fb19e117be01de79a82904d0cbd109ba7a8cabe85