[INFO] cloning repository https://github.com/renellc/kakusu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renellc/kakusu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenellc%2Fkakusu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenellc%2Fkakusu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 841bf9f4217db5994ecc59b48ccddb43dad1f645 [INFO] checking renellc/kakusu against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenellc%2Fkakusu" "/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/renellc/kakusu 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/renellc/kakusu [INFO] finished tweaking git repo https://github.com/renellc/kakusu [INFO] tweaked toml for git repo https://github.com/renellc/kakusu written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/renellc/kakusu 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lzw v0.10.0 [INFO] [stderr] Downloaded inflate v0.4.5 [INFO] [stderr] Downloaded png v0.16.3 [INFO] [stderr] Downloaded scoped_threadpool v0.1.9 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded color_quant v1.0.1 [INFO] [stderr] Downloaded memoffset v0.5.4 [INFO] [stderr] Downloaded tiff v0.4.0 [INFO] [stderr] Downloaded hermit-abi v0.1.13 [INFO] [stderr] Downloaded miniz_oxide v0.3.6 [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded gif v0.10.3 [INFO] [stderr] Downloaded jpeg-decoder v0.1.19 [INFO] [stderr] Downloaded num-traits v0.2.11 [INFO] [stderr] Downloaded deflate v0.8.4 [INFO] [stderr] Downloaded libc v0.2.70 [INFO] [stderr] Downloaded image v0.23.4 [INFO] [stderr] Downloaded rayon-core v1.7.0 [INFO] [stderr] Downloaded winapi v0.3.8 [INFO] [stderr] Downloaded rayon v1.3.0 [INFO] [stderr] Downloaded bytemuck v1.2.0 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded crossbeam-queue v0.2.1 [INFO] [stderr] Downloaded num-iter v0.1.40 [INFO] [stderr] Downloaded num-integer v0.1.42 [INFO] [stderr] Downloaded num-rational v0.2.4 [INFO] [stderr] Downloaded crc32fast v1.2.0 [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] f1a1a5c15f433e0eddacbde7a33f0f6d29632d0ff9e379484f7b98d60a1c07bf [INFO] running `Command { std: "docker" "start" "-a" "f1a1a5c15f433e0eddacbde7a33f0f6d29632d0ff9e379484f7b98d60a1c07bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1a1a5c15f433e0eddacbde7a33f0f6d29632d0ff9e379484f7b98d60a1c07bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a1a5c15f433e0eddacbde7a33f0f6d29632d0ff9e379484f7b98d60a1c07bf", kill_on_drop: false }` [INFO] [stdout] f1a1a5c15f433e0eddacbde7a33f0f6d29632d0ff9e379484f7b98d60a1c07bf [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] 26154b828b1feda5fa5ae56cef269ffccb25c0cbad381ad573bfa4af797d8337 [INFO] running `Command { std: "docker" "start" "-a" "26154b828b1feda5fa5ae56cef269ffccb25c0cbad381ad573bfa4af797d8337", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Checking deflate v0.8.4 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Checking bytemuck v1.2.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking png v0.16.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking jpeg-decoder v0.1.19 [INFO] [stderr] Checking image v0.23.4 [INFO] [stderr] Checking kakusu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `NUM_BITS` is never used [INFO] [stdout] --> src/kakusu.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const NUM_BITS: u8 = 8; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUM_BITS` is never used [INFO] [stdout] --> src/kakusu.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const NUM_BITS: u8 = 8; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.63s [INFO] running `Command { std: "docker" "inspect" "26154b828b1feda5fa5ae56cef269ffccb25c0cbad381ad573bfa4af797d8337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26154b828b1feda5fa5ae56cef269ffccb25c0cbad381ad573bfa4af797d8337", kill_on_drop: false }` [INFO] [stdout] 26154b828b1feda5fa5ae56cef269ffccb25c0cbad381ad573bfa4af797d8337 [INFO] checking renellc/kakusu against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenellc%2Fkakusu" "/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/renellc/kakusu on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/renellc/kakusu [INFO] finished tweaking git repo https://github.com/renellc/kakusu [INFO] tweaked toml for git repo https://github.com/renellc/kakusu written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/renellc/kakusu 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9c56fb95c92c2609fe62f91c3e7d3e7a3a62ae161e5e0f392f05daaf379e0ca0 [INFO] running `Command { std: "docker" "start" "-a" "9c56fb95c92c2609fe62f91c3e7d3e7a3a62ae161e5e0f392f05daaf379e0ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c56fb95c92c2609fe62f91c3e7d3e7a3a62ae161e5e0f392f05daaf379e0ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c56fb95c92c2609fe62f91c3e7d3e7a3a62ae161e5e0f392f05daaf379e0ca0", kill_on_drop: false }` [INFO] [stdout] 9c56fb95c92c2609fe62f91c3e7d3e7a3a62ae161e5e0f392f05daaf379e0ca0 [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bba7d170e03c18d9e37407cd43c81b3918110fcba168ce1f3f49b2e301f80a6 [INFO] running `Command { std: "docker" "start" "-a" "8bba7d170e03c18d9e37407cd43c81b3918110fcba168ce1f3f49b2e301f80a6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Checking deflate v0.8.4 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bytemuck v1.2.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking png v0.16.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking jpeg-decoder v0.1.19 [INFO] [stderr] Checking image v0.23.4 [INFO] [stderr] Checking kakusu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `NUM_BITS` is never used [INFO] [stdout] --> src/kakusu.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const NUM_BITS: u8 = 8; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUM_BITS` is never used [INFO] [stdout] --> src/kakusu.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const NUM_BITS: u8 = 8; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.14s [INFO] running `Command { std: "docker" "inspect" "8bba7d170e03c18d9e37407cd43c81b3918110fcba168ce1f3f49b2e301f80a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bba7d170e03c18d9e37407cd43c81b3918110fcba168ce1f3f49b2e301f80a6", kill_on_drop: false }` [INFO] [stdout] 8bba7d170e03c18d9e37407cd43c81b3918110fcba168ce1f3f49b2e301f80a6