[INFO] fetching crate twisterl-rs 0.1.0...
[INFO] checking twisterl-rs-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate twisterl-rs 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate twisterl-rs 0.1.0
[INFO] finished tweaking crates.io crate twisterl-rs 0.1.0
[INFO] tweaked toml for crates.io crate twisterl-rs 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate twisterl-rs 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twisterl-rs 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra v0.33.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0b0745b4608c8ce0bac87d001c941517def71d9bad6079d6b79f9ec8bccd84
[INFO] running `Command { std: "docker" "start" "-a" "ab0b0745b4608c8ce0bac87d001c941517def71d9bad6079d6b79f9ec8bccd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0b0745b4608c8ce0bac87d001c941517def71d9bad6079d6b79f9ec8bccd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0b0745b4608c8ce0bac87d001c941517def71d9bad6079d6b79f9ec8bccd84", kill_on_drop: false }`
[INFO] [stdout] ab0b0745b4608c8ce0bac87d001c941517def71d9bad6079d6b79f9ec8bccd84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 085c05f1be64a6c66ca1f85933f40f384bd15682964afbeb7f03d250f74e53d8
[INFO] running `Command { std: "docker" "start" "-a" "085c05f1be64a6c66ca1f85933f40f384bd15682964afbeb7f03d250f74e53d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking bytemuck v1.19.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking safe_arch v0.7.2
[INFO] [stderr]     Checking wide v0.7.28
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking simba v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking nalgebra v0.33.1
[INFO] [stderr]     Checking twisterl-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]   --> src/rl/env.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn set_difficulty(&mut self, difficulty: usize){}
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `idx` is never read
[INFO] [stdout]   --> src/rl/tree.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Node<T> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     idx: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C` should have a snake case name
[INFO] [stdout]   --> src/collector/az.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub C: f32,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/collector/az.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         C: f32,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/search.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn ucb(&self, child: &MCTSNode, C: f32) -> f32 {
[INFO] [stdout]    |                                         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/search.rs:77:41
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn next(&self, node_idx: usize, C: f32) -> usize {
[INFO] [stdout]    |                                         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/rl/search.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     C: f32,
[INFO] [stdout]     |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/evaluate.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     C: f32,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/solve.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     C: f32,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/solve.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     C: f32,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]   --> src/rl/env.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn set_difficulty(&mut self, difficulty: usize){}
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `idx` is never read
[INFO] [stdout]   --> src/rl/tree.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Node<T> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     idx: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `C` should have a snake case name
[INFO] [stdout]   --> src/collector/az.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub C: f32,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/collector/az.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         C: f32,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/search.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn ucb(&self, child: &MCTSNode, C: f32) -> f32 {
[INFO] [stdout]    |                                         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/search.rs:77:41
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn next(&self, node_idx: usize, C: f32) -> usize {
[INFO] [stdout]    |                                         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]    --> src/rl/search.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     C: f32,
[INFO] [stdout]     |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/evaluate.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     C: f32,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/solve.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     C: f32,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/rl/solve.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     C: f32,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.97s
[INFO] running `Command { std: "docker" "inspect" "085c05f1be64a6c66ca1f85933f40f384bd15682964afbeb7f03d250f74e53d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085c05f1be64a6c66ca1f85933f40f384bd15682964afbeb7f03d250f74e53d8", kill_on_drop: false }`
[INFO] [stdout] 085c05f1be64a6c66ca1f85933f40f384bd15682964afbeb7f03d250f74e53d8