[INFO] fetching crate mcq 0.1.0... [INFO] testing mcq-0.1.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate mcq 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate mcq 0.1.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded png v0.5.2 [INFO] [stderr] Downloaded image v0.10.4 [INFO] [stderr] Downloaded flate2 v0.2.20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca423409f11209fccfc02e0db77aa8c37a5d73305da60926f779fb4878eba871 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ca423409f11209fccfc02e0db77aa8c37a5d73305da60926f779fb4878eba871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca423409f11209fccfc02e0db77aa8c37a5d73305da60926f779fb4878eba871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca423409f11209fccfc02e0db77aa8c37a5d73305da60926f779fb4878eba871", kill_on_drop: false }` [INFO] [stdout] ca423409f11209fccfc02e0db77aa8c37a5d73305da60926f779fb4878eba871 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d88be10e4a75c7b5b9d6966ad3bab5d3d9bc416ecee10c53ce23267092bb9f26 [INFO] running `Command { std: "docker" "start" "-a" "d88be10e4a75c7b5b9d6966ad3bab5d3d9bc416ecee10c53ce23267092bb9f26", kill_on_drop: false }` [INFO] [stderr] Compiling mcq v0.1.0 (/opt/rustwide/workdir) [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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 [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "d88be10e4a75c7b5b9d6966ad3bab5d3d9bc416ecee10c53ce23267092bb9f26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d88be10e4a75c7b5b9d6966ad3bab5d3d9bc416ecee10c53ce23267092bb9f26", kill_on_drop: false }` [INFO] [stdout] d88be10e4a75c7b5b9d6966ad3bab5d3d9bc416ecee10c53ce23267092bb9f26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e26786e8b4c92beb6bcc6a70ef5d7790149630cb29e931a0fd1a10efaa247f1e [INFO] running `Command { std: "docker" "start" "-a" "e26786e8b4c92beb6bcc6a70ef5d7790149630cb29e931a0fd1a10efaa247f1e", kill_on_drop: false }` [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling inflate v0.1.1 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling byteorder v0.5.3 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [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] [stderr] Compiling memoffset v0.6.1 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling png v0.5.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling jpeg-decoder v0.1.20 [INFO] [stderr] Compiling image v0.10.4 [INFO] [stderr] Compiling mcq v0.1.0 (/opt/rustwide/workdir) [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [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: 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 55.82s [INFO] running `Command { std: "docker" "inspect" "e26786e8b4c92beb6bcc6a70ef5d7790149630cb29e931a0fd1a10efaa247f1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e26786e8b4c92beb6bcc6a70ef5d7790149630cb29e931a0fd1a10efaa247f1e", kill_on_drop: false }` [INFO] [stdout] e26786e8b4c92beb6bcc6a70ef5d7790149630cb29e931a0fd1a10efaa247f1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9c5680648b2fc5b03d346d65a3c195cfeaa5d1af265530285bdafbe54a51a78f [INFO] running `Command { std: "docker" "start" "-a" "9c5680648b2fc5b03d346d65a3c195cfeaa5d1af265530285bdafbe54a51a78f", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:237:30 [INFO] [stderr] | [INFO] [stderr] 237 | pixels_copy.push((0xFFFFFF & pixels_orig[i])); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:335:43 [INFO] [stderr] | [INFO] [stderr] 335 | let new_box = if let Some(mut next_box) = self.find_box_to_split(&mut color_set) { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:237:30 [INFO] [stderr] | [INFO] [stderr] 237 | pixels_copy.push((0xFFFFFF & pixels_orig[i])); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:335:43 [INFO] [stderr] | [INFO] [stderr] 335 | let new_box = if let Some(mut next_box) = self.find_box_to_split(&mut color_set) { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> examples/image_file.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mcq-c2c9c50311707b65 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests mcq [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:237:30 [INFO] [stderr] | [INFO] [stderr] 237 | pixels_copy.push((0xFFFFFF & pixels_orig[i])); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9c5680648b2fc5b03d346d65a3c195cfeaa5d1af265530285bdafbe54a51a78f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c5680648b2fc5b03d346d65a3c195cfeaa5d1af265530285bdafbe54a51a78f", kill_on_drop: false }` [INFO] [stdout] 9c5680648b2fc5b03d346d65a3c195cfeaa5d1af265530285bdafbe54a51a78f