[INFO] cloning repository https://github.com/szymski/dumb_gfx_format [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szymski/dumb_gfx_format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymski%2Fdumb_gfx_format", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymski%2Fdumb_gfx_format'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 837c2915ce8677618841c1cabe5260387e02f6ab [INFO] checking szymski/dumb_gfx_format against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymski%2Fdumb_gfx_format" "/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/szymski/dumb_gfx_format on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/szymski/dumb_gfx_format [INFO] finished tweaking git repo https://github.com/szymski/dumb_gfx_format [INFO] tweaked toml for git repo https://github.com/szymski/dumb_gfx_format written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/szymski/dumb_gfx_format 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking szymski/dumb_gfx_format against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymski%2Fdumb_gfx_format" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/szymski/dumb_gfx_format on toolchain 09bc67b9158392361780e779d32997f14cc75c39 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/szymski/dumb_gfx_format [INFO] finished tweaking git repo https://github.com/szymski/dumb_gfx_format [INFO] tweaked toml for git repo https://github.com/szymski/dumb_gfx_format written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/szymski/dumb_gfx_format 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" "+09bc67b9158392361780e779d32997f14cc75c39" "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 flume v0.10.10 [INFO] [stderr] Downloaded jpeg-decoder v0.2.1 [INFO] [stderr] Downloaded image v0.24.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60140fab2a2ca3dc4b6acd0df91d05dc156548679c647da87a471a7d3e684c6b [INFO] running `Command { std: "docker" "start" "-a" "60140fab2a2ca3dc4b6acd0df91d05dc156548679c647da87a471a7d3e684c6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60140fab2a2ca3dc4b6acd0df91d05dc156548679c647da87a471a7d3e684c6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60140fab2a2ca3dc4b6acd0df91d05dc156548679c647da87a471a7d3e684c6b", kill_on_drop: false }` [INFO] [stdout] 60140fab2a2ca3dc4b6acd0df91d05dc156548679c647da87a471a7d3e684c6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d2fedf89dc0d8dd62768cd23cdcb5947af217c541f2707a6213fa943be4ee1d [INFO] running `Command { std: "docker" "start" "-a" "5d2fedf89dc0d8dd62768cd23cdcb5947af217c541f2707a6213fa943be4ee1d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling crc32fast v1.3.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] 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dumb_gfx_format v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/dct.rs:11:37 [INFO] [stdout] | [INFO] [stdout] 11 | return sum * T::inv(T::sqrt((n as T))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 11 - return sum * T::inv(T::sqrt((n as T))); [INFO] [stdout] 11 + return sum * T::inv(T::sqrt(n as T)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/decoder.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToPixelBuffer` [INFO] [stdout] --> src/main.rs:10:27 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::pixel_buffer::{ToPixelBuffer}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rgb` [INFO] [stdout] --> src/main.rs:12:26 [INFO] [stdout] | [INFO] [stdout] 12 | use image::{ImageResult, Rgb, RgbImage}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/dct.rs:11:37 [INFO] [stdout] | [INFO] [stdout] 11 | return sum * T::inv(T::sqrt((n as T))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 11 - return sum * T::inv(T::sqrt((n as T))); [INFO] [stdout] 11 + return sum * T::inv(T::sqrt(n as T)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/decoder.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToPixelBuffer` [INFO] [stdout] --> src/main.rs:10:27 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::pixel_buffer::{ToPixelBuffer}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rgb` [INFO] [stdout] --> src/main.rs:12:26 [INFO] [stdout] | [INFO] [stdout] 12 | use image::{ImageResult, Rgb, RgbImage}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/decoder.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mode` [INFO] [stdout] --> src/dgf.rs:16:62 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new(version: DgfVersion, width: u16, height: u16, mode: ImageMode) -> Dgf { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_mode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/decoder.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/encoder.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/encoder.rs:98:33 [INFO] [stdout] | [INFO] [stdout] 98 | let [r, g, b] = image.get_pixel(x, y).0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/encoder.rs:98:36 [INFO] [stdout] | [INFO] [stdout] 98 | let [r, g, b] = image.get_pixel(x, y).0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mode` [INFO] [stdout] --> src/dgf.rs:16:62 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new(version: DgfVersion, width: u16, height: u16, mode: ImageMode) -> Dgf { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_mode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Grayscale1` is never constructed [INFO] [stdout] --> src/dgf.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 83 | pub enum ImageMode { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 84 | Grayscale1 = 0x00, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ImageMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Rle` is never constructed [INFO] [stdout] --> src/dgf.rs:133:17 [INFO] [stdout] | [INFO] [stdout] 130 | pub enum PostCompressionMode { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 133 | Rle = 1, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PostCompressionMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/pixel_buffer.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct PixelBuffer { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_pixel_buffer` is never used [INFO] [stdout] --> src/pixel_buffer.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub trait ToPixelBuffer { [INFO] [stdout] | ------------- method in this trait [INFO] [stdout] 13 | fn to_pixel_buffer(&self) -> PixelBuffer; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pixels` is never used [INFO] [stdout] --> src/util.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Chunk { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn pixels(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/encoder.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/encoder.rs:98:33 [INFO] [stdout] | [INFO] [stdout] 98 | let [r, g, b] = image.get_pixel(x, y).0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/encoder.rs:98:36 [INFO] [stdout] | [INFO] [stdout] 98 | let [r, g, b] = image.get_pixel(x, y).0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Grayscale1` is never constructed [INFO] [stdout] --> src/dgf.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 83 | pub enum ImageMode { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 84 | Grayscale1 = 0x00, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ImageMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Rle` is never constructed [INFO] [stdout] --> src/dgf.rs:133:17 [INFO] [stdout] | [INFO] [stdout] 130 | pub enum PostCompressionMode { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 133 | Rle = 1, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PostCompressionMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/pixel_buffer.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct PixelBuffer { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_pixel_buffer` is never used [INFO] [stdout] --> src/pixel_buffer.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub trait ToPixelBuffer { [INFO] [stdout] | ------------- method in this trait [INFO] [stdout] 13 | fn to_pixel_buffer(&self) -> PixelBuffer; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pixels` is never used [INFO] [stdout] --> src/util.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Chunk { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn pixels(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.35s [INFO] running `Command { std: "docker" "inspect" "5d2fedf89dc0d8dd62768cd23cdcb5947af217c541f2707a6213fa943be4ee1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d2fedf89dc0d8dd62768cd23cdcb5947af217c541f2707a6213fa943be4ee1d", kill_on_drop: false }` [INFO] [stdout] 5d2fedf89dc0d8dd62768cd23cdcb5947af217c541f2707a6213fa943be4ee1d