[INFO] fetching crate mcq 0.1.0... [INFO] checking mcq-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate mcq 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate mcq 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 mcq 0.1.0 [INFO] finished tweaking crates.io crate mcq 0.1.0 [INFO] tweaked toml for crates.io crate mcq 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 39 packages [INFO] [stderr] Adding bitflags v0.7.0 (latest: v2.5.0) [INFO] [stderr] Adding byteorder v0.5.3 (latest: v1.5.0) [INFO] [stderr] Adding flate2 v0.2.20 (latest: v1.0.28) [INFO] [stderr] Adding gif v0.9.2 (latest: v0.13.1) [INFO] [stderr] Adding glob v0.2.11 (latest: v0.3.1) [INFO] [stderr] Adding image v0.10.4 (latest: v0.25.1) [INFO] [stderr] Adding inflate v0.1.1 (latest: v0.4.5) [INFO] [stderr] Adding jpeg-decoder v0.1.22 (latest: v0.3.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding png v0.5.2 (latest: v0.17.13) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded byteorder v0.5.3 [INFO] [stderr] Downloaded inflate v0.1.1 [INFO] [stderr] Downloaded png v0.5.2 [INFO] [stderr] Downloaded image v0.10.4 [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] 24d1f26398d44c0c533c522039966563121c51748d66a7405bab7e626b977d94 [INFO] running `Command { std: "docker" "start" "-a" "24d1f26398d44c0c533c522039966563121c51748d66a7405bab7e626b977d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24d1f26398d44c0c533c522039966563121c51748d66a7405bab7e626b977d94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24d1f26398d44c0c533c522039966563121c51748d66a7405bab7e626b977d94", kill_on_drop: false }` [INFO] [stdout] 24d1f26398d44c0c533c522039966563121c51748d66a7405bab7e626b977d94 [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] d475735a8083d5171557c924678acc2edc088d25350360ea4fb4128ee48f4baa [INFO] running `Command { std: "docker" "start" "-a" "d475735a8083d5171557c924678acc2edc088d25350360ea4fb4128ee48f4baa", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking inflate v0.1.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking mcq v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:237:30 [INFO] [stdout] | [INFO] [stdout] 237 | pixels_copy.push((0xFFFFFF & pixels_orig[i])); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 237 - pixels_copy.push((0xFFFFFF & pixels_orig[i])); [INFO] [stdout] 237 + pixels_copy.push(0xFFFFFF & pixels_orig[i]); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking gif v0.9.2 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:335:43 [INFO] [stdout] | [INFO] [stdout] 335 | let new_box = if let Some(mut next_box) = self.find_box_to_split(&mut color_set) { [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking png v0.5.2 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking image v0.10.4 [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> examples/image_file.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/lib.rs:237:30 [INFO] [stdout] | [INFO] [stdout] 237 | pixels_copy.push((0xFFFFFF & pixels_orig[i])); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 237 - pixels_copy.push((0xFFFFFF & pixels_orig[i])); [INFO] [stdout] 237 + pixels_copy.push(0xFFFFFF & pixels_orig[i]); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:335:43 [INFO] [stdout] | [INFO] [stdout] 335 | let new_box = if let Some(mut next_box) = self.find_box_to_split(&mut color_set) { [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.45s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "d475735a8083d5171557c924678acc2edc088d25350360ea4fb4128ee48f4baa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d475735a8083d5171557c924678acc2edc088d25350360ea4fb4128ee48f4baa", kill_on_drop: false }` [INFO] [stdout] d475735a8083d5171557c924678acc2edc088d25350360ea4fb4128ee48f4baa