[INFO] cloning repository https://github.com/emreturgutce/rust-basics [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emreturgutce/rust-basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreturgutce%2Frust-basics", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreturgutce%2Frust-basics'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d00fbdc5bd4838b7c70e49068b12ae37741c463b [INFO] checking emreturgutce/rust-basics against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreturgutce%2Frust-basics" "/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/emreturgutce/rust-basics 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 git repo https://github.com/emreturgutce/rust-basics [INFO] finished tweaking git repo https://github.com/emreturgutce/rust-basics [INFO] tweaked toml for git repo https://github.com/emreturgutce/rust-basics written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/emreturgutce/rust-basics 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aca575bef648b5151e87b17801b8d69a86738b89b56d57d28e90b0cfdabab080 [INFO] running `Command { std: "docker" "start" "-a" "aca575bef648b5151e87b17801b8d69a86738b89b56d57d28e90b0cfdabab080", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aca575bef648b5151e87b17801b8d69a86738b89b56d57d28e90b0cfdabab080", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aca575bef648b5151e87b17801b8d69a86738b89b56d57d28e90b0cfdabab080", kill_on_drop: false }` [INFO] [stdout] aca575bef648b5151e87b17801b8d69a86738b89b56d57d28e90b0cfdabab080 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5758266e15b5e9c6aaa90f6be9740fa5d891ac653700006b52f1a4c5149725f [INFO] running `Command { std: "docker" "start" "-a" "e5758266e15b5e9c6aaa90f6be9740fa5d891ac653700006b52f1a4c5149725f", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling rayon-core v1.9.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking weezl v0.1.6 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Checking gif v0.11.3 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking rust-basics v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `image_2` [INFO] [stdout] --> src/main.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | let (image_1, image_2) = standardise_size(image_1, image_2); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let output = FloatingImage::new(image_1.width(), image_1.height(), args.output); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, `data`, and `name` are never read [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct FloatingImage { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 13 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 15 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `image_2` [INFO] [stdout] --> src/main.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | let (image_1, image_2) = standardise_size(image_1, image_2); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let output = FloatingImage::new(image_1.width(), image_1.height(), args.output); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, `data`, and `name` are never read [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct FloatingImage { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 13 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 15 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.42s [INFO] running `Command { std: "docker" "inspect" "e5758266e15b5e9c6aaa90f6be9740fa5d891ac653700006b52f1a4c5149725f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5758266e15b5e9c6aaa90f6be9740fa5d891ac653700006b52f1a4c5149725f", kill_on_drop: false }` [INFO] [stdout] e5758266e15b5e9c6aaa90f6be9740fa5d891ac653700006b52f1a4c5149725f