[INFO] fetching crate rust-cv 0.1.0... [INFO] checking rust-cv-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rust-cv 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate rust-cv 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust-cv 0.1.0 [INFO] finished tweaking crates.io crate rust-cv 0.1.0 [INFO] tweaked toml for crates.io crate rust-cv 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb6cd7eed71dc9e37f5f5083564917ea0674f25c2c0e110d5fed788f794e0749 [INFO] running `Command { std: "docker" "start" "-a" "eb6cd7eed71dc9e37f5f5083564917ea0674f25c2c0e110d5fed788f794e0749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb6cd7eed71dc9e37f5f5083564917ea0674f25c2c0e110d5fed788f794e0749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb6cd7eed71dc9e37f5f5083564917ea0674f25c2c0e110d5fed788f794e0749", kill_on_drop: false }` [INFO] [stdout] eb6cd7eed71dc9e37f5f5083564917ea0674f25c2c0e110d5fed788f794e0749 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 745f6b615345e30d27c5846359994fbce502124f34997caeb9787598283b79f0 [INFO] running `Command { std: "docker" "start" "-a" "745f6b615345e30d27c5846359994fbce502124f34997caeb9787598283b79f0", kill_on_drop: false }` [INFO] [stderr] Checking jpeg-decoder v0.3.1 [INFO] [stderr] Checking rust-cv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Display`, `Formatter` [INFO] [stdout] --> src/image/image.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Display, Formatter}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/image/image.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Display`, `Formatter` [INFO] [stdout] --> src/image/image.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Display, Formatter}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/image/image.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/image/image.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/image/image.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut out = ImBuffer { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/image/image.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut out = ImBuffer { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/image/image.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn from_png(file_name: &str) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/image/image.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn from_png(file_name: &str) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ImBuffer` is never constructed [INFO] [stdout] --> src/image/image.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ImBuffer { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from`, `from_png`, `prelude`, and `to_ppm` are never used [INFO] [stdout] --> src/image/image.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl ImBuffer { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 15 | pub fn new(buffer: Vec, dims: Dims) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn from(file_name: &str) -> ImBuffer{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn from_png(file_name: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn prelude(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn to_ppm(&self, file_name: String) -> std::io::Result<()>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/image/pixel.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Pixel { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(in_slice: &[u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Dims` is never constructed [INFO] [stdout] --> src/image/dims.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Dims { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `width`, `height`, `max`, `set_width`, `set_height`, and `new` are never used [INFO] [stdout] --> src/image/dims.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Dims { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 9 | pub fn width(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn height(&self) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn max(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn set_width(&mut self, width: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn set_height(&mut self, height: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn new(width: i32, height: i32, max: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ImBuffer` is never constructed [INFO] [stdout] --> src/image/image.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ImBuffer { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from`, `from_png`, `prelude`, and `to_ppm` are never used [INFO] [stdout] --> src/image/image.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl ImBuffer { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 15 | pub fn new(buffer: Vec, dims: Dims) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn from(file_name: &str) -> ImBuffer{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn from_png(file_name: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn prelude(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn to_ppm(&self, file_name: String) -> std::io::Result<()>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/image/pixel.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Pixel { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(in_slice: &[u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Dims` is never constructed [INFO] [stdout] --> src/image/dims.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Dims { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `width`, `height`, `max`, `set_width`, `set_height`, and `new` are never used [INFO] [stdout] --> src/image/dims.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Dims { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 9 | pub fn width(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn height(&self) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn max(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn set_width(&mut self, width: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn set_height(&mut self, height: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn new(width: i32, height: i32, max: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "745f6b615345e30d27c5846359994fbce502124f34997caeb9787598283b79f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "745f6b615345e30d27c5846359994fbce502124f34997caeb9787598283b79f0", kill_on_drop: false }` [INFO] [stdout] 745f6b615345e30d27c5846359994fbce502124f34997caeb9787598283b79f0