[INFO] fetching crate chromosome 0.1.0... [INFO] checking chromosome-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate chromosome 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate chromosome 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chromosome 0.1.0 [INFO] finished tweaking crates.io crate chromosome 0.1.0 [INFO] tweaked toml for crates.io crate chromosome 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate chromosome 0.1.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc1b66a100f9b0df0f329396e3a87274fca36cd9f0c0cf87e75d54a3b2f502df [INFO] running `Command { std: "docker" "start" "-a" "dc1b66a100f9b0df0f329396e3a87274fca36cd9f0c0cf87e75d54a3b2f502df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc1b66a100f9b0df0f329396e3a87274fca36cd9f0c0cf87e75d54a3b2f502df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc1b66a100f9b0df0f329396e3a87274fca36cd9f0c0cf87e75d54a3b2f502df", kill_on_drop: false }` [INFO] [stdout] dc1b66a100f9b0df0f329396e3a87274fca36cd9f0c0cf87e75d54a3b2f502df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af71c44ba5a469b21b00052db68852c2bc773fa8faa77a699c0f4d4a4c26289d [INFO] running `Command { std: "docker" "start" "-a" "af71c44ba5a469b21b00052db68852c2bc773fa8faa77a699c0f4d4a4c26289d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chromosome v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `generate_average` is never used [INFO] [stdout] --> src/cascade_sum.rs:34:19 [INFO] [stdout] | [INFO] [stdout] 18 | impl CascadeSum { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub(crate) fn generate_average( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/cascade_sum.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `generate_average` is never used [INFO] [stdout] --> src/cascade_sum.rs:34:19 [INFO] [stdout] | [INFO] [stdout] 18 | impl CascadeSum { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub(crate) fn generate_average( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/cascade_sum.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `Command { std: "docker" "inspect" "af71c44ba5a469b21b00052db68852c2bc773fa8faa77a699c0f4d4a4c26289d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af71c44ba5a469b21b00052db68852c2bc773fa8faa77a699c0f4d4a4c26289d", kill_on_drop: false }` [INFO] [stdout] af71c44ba5a469b21b00052db68852c2bc773fa8faa77a699c0f4d4a4c26289d