[INFO] fetching crate twisterl 0.2.0...
[INFO] testing twisterl-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate twisterl 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate twisterl 0.2.0
[INFO] finished tweaking crates.io crate twisterl 0.2.0
[INFO] tweaked toml for crates.io crate twisterl 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate twisterl 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twisterl 0.2.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-build-config v0.24.2
[INFO] [stderr]   Downloaded inventory v0.3.15
[INFO] [stderr]   Downloaded pyo3-ffi v0.24.2
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[INFO] [stderr]   Downloaded syn v2.0.85
[INFO] [stderr]   Downloaded portable-atomic v1.9.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.24.2
[INFO] [stderr]   Downloaded hashbrown v0.15.0
[INFO] [stderr]   Downloaded nalgebra v0.33.1
[INFO] [stderr]   Downloaded libc v0.2.161
[INFO] [stderr]   Downloaded safe_arch v0.7.2
[INFO] [stderr]   Downloaded pyo3 v0.24.2
[INFO] [stderr]   Downloaded pyo3-macros v0.24.2
[INFO] [stderr]   Downloaded unindent v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffcb152a2d6257a9f0d66548709f70556f11328d93b198e209d2493506ffe1a9
[INFO] running `Command { std: "docker" "start" "-a" "ffcb152a2d6257a9f0d66548709f70556f11328d93b198e209d2493506ffe1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffcb152a2d6257a9f0d66548709f70556f11328d93b198e209d2493506ffe1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcb152a2d6257a9f0d66548709f70556f11328d93b198e209d2493506ffe1a9", kill_on_drop: false }`
[INFO] [stdout] ffcb152a2d6257a9f0d66548709f70556f11328d93b198e209d2493506ffe1a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c2d62681068476a601cfc65c01b709f9d74bcb26e116629ce28107df5b1f80
[INFO] running `Command { std: "docker" "start" "-a" "20c2d62681068476a601cfc65c01b709f9d74bcb26e116629ce28107df5b1f80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling bytemuck v1.19.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling safe_arch v0.7.2
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling wide v0.7.28
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling nalgebra v0.33.1
[INFO] [stderr]    Compiling twisterl v0.2.0 (/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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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 26.60s
[INFO] running `Command { std: "docker" "inspect" "20c2d62681068476a601cfc65c01b709f9d74bcb26e116629ce28107df5b1f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c2d62681068476a601cfc65c01b709f9d74bcb26e116629ce28107df5b1f80", kill_on_drop: false }`
[INFO] [stdout] 20c2d62681068476a601cfc65c01b709f9d74bcb26e116629ce28107df5b1f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d08177d3369c8cbe1553dc8427a3252d1d17223ad0b049af2893988188a8de3b
[INFO] running `Command { std: "docker" "start" "-a" "d08177d3369c8cbe1553dc8427a3252d1d17223ad0b049af2893988188a8de3b", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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]    Compiling twisterl v0.2.0 (/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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "d08177d3369c8cbe1553dc8427a3252d1d17223ad0b049af2893988188a8de3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08177d3369c8cbe1553dc8427a3252d1d17223ad0b049af2893988188a8de3b", kill_on_drop: false }`
[INFO] [stdout] d08177d3369c8cbe1553dc8427a3252d1d17223ad0b049af2893988188a8de3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 486d9a000e3f4687a9782785ff2dfa29ffa3e4e01b7133335e6f4435d66dfddf
[INFO] running `Command { std: "docker" "start" "-a" "486d9a000e3f4687a9782785ff2dfa29ffa3e4e01b7133335e6f4435d66dfddf", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `difficulty`
[INFO] [stderr]   --> src/rl/env.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn set_difficulty(&mut self, difficulty: usize){}
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `idx` is never read
[INFO] [stderr]   --> src/rl/tree.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Node<T> {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 19 |     idx: usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `C` should have a snake case name
[INFO] [stderr]   --> src/collector/az.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub C: f32,
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]   --> src/collector/az.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         C: f32,
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]   --> src/rl/search.rs:29:41
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn ucb(&self, child: &MCTSNode, C: f32) -> f32 {
[INFO] [stderr]    |                                         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]   --> src/rl/search.rs:77:41
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn next(&self, node_idx: usize, C: f32) -> usize {
[INFO] [stderr]    |                                         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]    --> src/rl/search.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     C: f32,
[INFO] [stderr]     |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]   --> src/rl/evaluate.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     C: f32,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]   --> src/rl/solve.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     C: f32,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]   --> src/rl/solve.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     C: f32,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: `twisterl` (lib) generated 10 warnings (run `cargo fix --lib -p twisterl` to apply 1 suggestion)
[INFO] [stderr] warning: `twisterl` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/twisterl-ccaf848a5e0f99e6)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test envs::puzzle::tests::test_puzzle_step_and_masks ... ok
[INFO] [stdout] test envs::puzzle::tests::test_puzzle_solved ... ok
[INFO] [stdout] test collector::ppo::tests::test_ppocollector_collect ... ok
[INFO] [stdout] test collector::collector::tests::test_merge_collected_data ... ok
[INFO] [stdout] test collector::az::tests::test_azcollector_collect ... ok
[INFO] [stdout] test nn::layers::tests::test_linear_forward_relu ... ok
[INFO] [stdout] test nn::policy::tests::test_argmax_basic ... ok
[INFO] [stdout] test nn::policy::tests::test_argmax_with_nan ... ok
[INFO] [stdout] test nn::layers::tests::test_linear_forward ... ok
[INFO] [stdout] test nn::layers::tests::test_embedding_bag_forward ... ok
[INFO] [stdout] test rl::tree::tests::test_tree_add_child ... ok
[INFO] [stdout] test nn::policy::tests::test_sample_from_logits_range ... ok
[INFO] [stdout] test nn::policy::tests::test_sample_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twisterl
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "486d9a000e3f4687a9782785ff2dfa29ffa3e4e01b7133335e6f4435d66dfddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486d9a000e3f4687a9782785ff2dfa29ffa3e4e01b7133335e6f4435d66dfddf", kill_on_drop: false }`
[INFO] [stdout] 486d9a000e3f4687a9782785ff2dfa29ffa3e4e01b7133335e6f4435d66dfddf