[INFO] fetching crate chromosome 0.0.9...
[INFO] checking chromosome-0.0.9 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate chromosome 0.0.9 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate chromosome 0.0.9 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "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-7-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" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d271503c5e13be9663204bdc93d26630706d6a78bdfec4b41314df1518448234
[INFO] running `Command { std: "docker" "start" "-a" "d271503c5e13be9663204bdc93d26630706d6a78bdfec4b41314df1518448234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d271503c5e13be9663204bdc93d26630706d6a78bdfec4b41314df1518448234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d271503c5e13be9663204bdc93d26630706d6a78bdfec4b41314df1518448234", kill_on_drop: false }`
[INFO] [stdout] d271503c5e13be9663204bdc93d26630706d6a78bdfec4b41314df1518448234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08293638f585ddc4fff1c11817df035309253fc9132c42e7cce5830ec7919459
[INFO] running `Command { std: "docker" "start" "-a" "08293638f585ddc4fff1c11817df035309253fc9132c42e7cce5830ec7919459", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[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 v0.0.9 (/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 1.38s
[INFO] running `Command { std: "docker" "inspect" "08293638f585ddc4fff1c11817df035309253fc9132c42e7cce5830ec7919459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08293638f585ddc4fff1c11817df035309253fc9132c42e7cce5830ec7919459", kill_on_drop: false }`
[INFO] [stdout] 08293638f585ddc4fff1c11817df035309253fc9132c42e7cce5830ec7919459
