[INFO] fetching crate chromosome 0.0.9...
[INFO] checking chromosome-0.0.9 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate chromosome 0.0.9 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate chromosome 0.0.9 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chromosome 0.0.9
[INFO] finished tweaking crates.io crate chromosome 0.0.9
[INFO] tweaked toml for crates.io crate chromosome 0.0.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate chromosome 0.0.9 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97e067d0ef9143c2c461f3146265283d05ab14065e5af7aabe10092e2e21ec77
[INFO] running `Command { std: "docker" "start" "-a" "97e067d0ef9143c2c461f3146265283d05ab14065e5af7aabe10092e2e21ec77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e067d0ef9143c2c461f3146265283d05ab14065e5af7aabe10092e2e21ec77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e067d0ef9143c2c461f3146265283d05ab14065e5af7aabe10092e2e21ec77", kill_on_drop: false }`
[INFO] [stdout] 97e067d0ef9143c2c461f3146265283d05ab14065e5af7aabe10092e2e21ec77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8d1a16726fc08d84f40429deaeb3dd1d066bcd5f71bb277a929a4acd496a567
[INFO] running `Command { std: "docker" "start" "-a" "c8d1a16726fc08d84f40429deaeb3dd1d066bcd5f71bb277a929a4acd496a567", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chromosome v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `generate_average` is never used
[INFO] [stdout]   --> src/cascade_sum.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl CascadeSum {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub(crate) fn generate_average<R : rand::RngCore>(self: &Self, size: usize, rng: &mut R) -> Vec<f64> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/cascade_sum.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[warn(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_average` is never used
[INFO] [stdout]   --> src/cascade_sum.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl CascadeSum {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub(crate) fn generate_average<R : rand::RngCore>(self: &Self, size: usize, rng: &mut R) -> Vec<f64> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/cascade_sum.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[warn(dead_code)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "c8d1a16726fc08d84f40429deaeb3dd1d066bcd5f71bb277a929a4acd496a567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d1a16726fc08d84f40429deaeb3dd1d066bcd5f71bb277a929a4acd496a567", kill_on_drop: false }`
[INFO] [stdout] c8d1a16726fc08d84f40429deaeb3dd1d066bcd5f71bb277a929a4acd496a567
