[INFO] cloning repository https://github.com/cutielover/PNGme-My-Implementation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cutielover/PNGme-My-Implementation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutielover%2FPNGme-My-Implementation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutielover%2FPNGme-My-Implementation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 591d246ba70cc1f6b0a0a9634e95720b7053156c [INFO] checking cutielover/PNGme-My-Implementation against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutielover%2FPNGme-My-Implementation" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cutielover/PNGme-My-Implementation on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cutielover/PNGme-My-Implementation [INFO] finished tweaking git repo https://github.com/cutielover/PNGme-My-Implementation [INFO] tweaked toml for git repo https://github.com/cutielover/PNGme-My-Implementation written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cutielover/PNGme-My-Implementation 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2f567b6d6a56106822689a18463128dd626add086fd2d2d3f547370ed2653fa [INFO] running `Command { std: "docker" "start" "-a" "a2f567b6d6a56106822689a18463128dd626add086fd2d2d3f547370ed2653fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2f567b6d6a56106822689a18463128dd626add086fd2d2d3f547370ed2653fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2f567b6d6a56106822689a18463128dd626add086fd2d2d3f547370ed2653fa", kill_on_drop: false }` [INFO] [stdout] a2f567b6d6a56106822689a18463128dd626add086fd2d2d3f547370ed2653fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a125fdd5497266f224cb28a1bd0129764370db2f53f0579b498895b6c864f337 [INFO] running `Command { std: "docker" "start" "-a" "a125fdd5497266f224cb28a1bd0129764370db2f53f0579b498895b6c864f337", kill_on_drop: false }` [INFO] [stderr] Checking crc-catalog v2.4.0 [INFO] [stderr] Checking crc v3.2.1 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/chunk.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{ BufReader, Read }; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/chunk.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{ BufReader, Read }; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/chunk.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{ BufReader, Read }; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `data_as_string`, and `as_bytes` are never used [INFO] [stdout] --> src/chunk.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Chunk { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 21 | /// New a Chunk [INFO] [stdout] 22 | pub fn new(chunktype_init: ChunkType, data_init: Vec) -> Chunk { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn data_as_string(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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:14:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl ChunkType { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 13 | /// Returns the raw bytes contained in this chunk [INFO] [stdout] 14 | pub fn bytes(&self) -> [u8; 4] { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_critical(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn is_public(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn is_reserved_bit_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn is_safe_to_copy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/chunk.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{ BufReader, Read }; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_bytes` is never used [INFO] [stdout] --> src/chunk.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Chunk { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "a125fdd5497266f224cb28a1bd0129764370db2f53f0579b498895b6c864f337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a125fdd5497266f224cb28a1bd0129764370db2f53f0579b498895b6c864f337", kill_on_drop: false }` [INFO] [stdout] a125fdd5497266f224cb28a1bd0129764370db2f53f0579b498895b6c864f337