[INFO] cloning repository https://github.com/andresovela/png-message [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andresovela/png-message" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresovela%2Fpng-message", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresovela%2Fpng-message'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 829d1397ac4f66bc4330d0ef025e552a4f4c54de [INFO] checking andresovela/png-message against try#724e78794d2cf06eef820a24c9a4608d63435e1d for pr-149145 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresovela%2Fpng-message" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/andresovela/png-message [INFO] finished tweaking git repo https://github.com/andresovela/png-message [INFO] tweaked toml for git repo https://github.com/andresovela/png-message written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/andresovela/png-message on toolchain 724e78794d2cf06eef820a24c9a4608d63435e1d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/andresovela/png-message 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" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking andresovela/png-message against try#724e78794d2cf06eef820a24c9a4608d63435e1d for pr-149145 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandresovela%2Fpng-message" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/andresovela/png-message [INFO] finished tweaking git repo https://github.com/andresovela/png-message [INFO] tweaked toml for git repo https://github.com/andresovela/png-message written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/andresovela/png-message on toolchain 724e78794d2cf06eef820a24c9a4608d63435e1d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/andresovela/png-message 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" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fehler-macros v1.0.0 [INFO] [stderr] Downloaded fehler v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6a5f82f1fa131a47c0418500229a6ad20e5540b179c3d29daeea9b57e07fcd5 [INFO] running `Command { std: "docker" "start" "-a" "f6a5f82f1fa131a47c0418500229a6ad20e5540b179c3d29daeea9b57e07fcd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6a5f82f1fa131a47c0418500229a6ad20e5540b179c3d29daeea9b57e07fcd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6a5f82f1fa131a47c0418500229a6ad20e5540b179c3d29daeea9b57e07fcd5", kill_on_drop: false }` [INFO] [stdout] f6a5f82f1fa131a47c0418500229a6ad20e5540b179c3d29daeea9b57e07fcd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0562ddc0094d09ef62d2fca72fce40fc194e7ec123cd51444e86d6e7b6cff6ca [INFO] running `Command { std: "docker" "start" "-a" "0562ddc0094d09ef62d2fca72fce40fc194e7ec123cd51444e86d6e7b6cff6ca", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling fehler-macros v1.0.0 [INFO] [stderr] Checking fehler v1.0.0 [INFO] [stderr] Checking png-msg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Chunk` is never constructed [INFO] [stdout] --> src/chunk.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | 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: multiple associated items are never used [INFO] [stdout] --> src/chunk.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Chunk { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 16 | pub fn new(chunk_type: ChunkType, data: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn length(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn chunk_type(&self) -> &ChunkType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn data(&self) -> &[u8] { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn crc(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn data_as_string(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ChunkType` is never constructed [INFO] [stdout] --> src/chunk_type.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct ChunkType { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `bytes`, `is_valid`, `is_critical`, `is_public`, `is_reserved_bit_valid`, and `is_safe_to_copy` are never used [INFO] [stdout] --> src/chunk_type.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl ChunkType { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 12 | pub fn bytes(&self) -> &[u8; 4] { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn is_critical(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn is_public(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn is_reserved_bit_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn is_safe_to_copy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Png` is never constructed [INFO] [stdout] --> src/png.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Png { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/png.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 12 | impl Png { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 13 | const STANDARD_HEADER: [u8; 8] = [ 137, 80, 78, 71, 13, 10, 26, 10 ]; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 14 | [INFO] [stdout] 15 | fn from_chunks(chunks: Vec) -> Png { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn append_chunk(&mut self, chunk: Chunk) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | fn remove_chunk(&mut self, chunk_type: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn header(&self) -> &[u8; 8] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn chunks(&self) -> &[Chunk] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn as_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `data` is never used [INFO] [stdout] --> src/chunk.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Chunk { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | 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:42:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Png { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | fn header(&self) -> &[u8; 8] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "0562ddc0094d09ef62d2fca72fce40fc194e7ec123cd51444e86d6e7b6cff6ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0562ddc0094d09ef62d2fca72fce40fc194e7ec123cd51444e86d6e7b6cff6ca", kill_on_drop: false }` [INFO] [stdout] 0562ddc0094d09ef62d2fca72fce40fc194e7ec123cd51444e86d6e7b6cff6ca