[INFO] fetching crate RatRod-rs 0.2.1...
[INFO] checking RatRod-rs-0.2.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate RatRod-rs 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate RatRod-rs 0.2.1
[INFO] finished tweaking crates.io crate RatRod-rs 0.2.1
[INFO] tweaked toml for crates.io crate RatRod-rs 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate RatRod-rs 0.2.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json_any_key v2.0.0
[INFO] [stderr]   Downloaded more-asserts v0.3.1
[INFO] [stderr]   Downloaded sparse_matrix v0.6.3
[INFO] [stderr]   Downloaded dylib v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70515b5737cfae149266edc85926419d860b0c9d0527140dc4419e418b01a95e
[INFO] running `Command { std: "docker" "start" "-a" "70515b5737cfae149266edc85926419d860b0c9d0527140dc4419e418b01a95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70515b5737cfae149266edc85926419d860b0c9d0527140dc4419e418b01a95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70515b5737cfae149266edc85926419d860b0c9d0527140dc4419e418b01a95e", kill_on_drop: false }`
[INFO] [stdout] 70515b5737cfae149266edc85926419d860b0c9d0527140dc4419e418b01a95e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 880729a91ef0c5e3b289e50c8d5db107c66f36c461789c144861c196d1ea8730
[INFO] running `Command { std: "docker" "start" "-a" "880729a91ef0c5e3b289e50c8d5db107c66f36c461789c144861c196d1ea8730", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking dylib v0.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking sparse_matrix v0.6.3
[INFO] [stderr]     Checking serde_json_any_key v2.0.0
[INFO] [stderr]     Checking RatRod-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `File`, `io::Write`, and `process::exit`
[INFO] [stdout]  --> src/model.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, rc::Rc, fs::{self, File}, process::exit, io::Write};
[INFO] [stdout]   |                                                    ^^^^   ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `io::Write`, and `process::exit`
[INFO] [stdout]  --> src/model.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, rc::Rc, fs::{self, File}, process::exit, io::Write};
[INFO] [stdout]   |                                                    ^^^^   ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mat_size`
[INFO] [stdout]   --> src/elements/beam.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn get_3_d_matrix(&self, mat_size : usize, x:usize, y:usize) -> CooMat {
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mat_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/elements/beam.rs:73:52
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn get_3_d_matrix(&self, mat_size : usize, x:usize, y:usize) -> CooMat {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/elements/beam.rs:73:61
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn get_3_d_matrix(&self, mat_size : usize, x:usize, y:usize) -> CooMat {
[INFO] [stdout]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mat_size`
[INFO] [stdout]   --> src/elements/beam.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn get_3_d_matrix(&self, mat_size : usize, x:usize, y:usize) -> CooMat {
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mat_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/elements/beam.rs:73:52
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn get_3_d_matrix(&self, mat_size : usize, x:usize, y:usize) -> CooMat {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/elements/beam.rs:73:61
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn get_3_d_matrix(&self, mat_size : usize, x:usize, y:usize) -> CooMat {
[INFO] [stdout]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RatRod_rs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rat_rod_rs`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "880729a91ef0c5e3b289e50c8d5db107c66f36c461789c144861c196d1ea8730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880729a91ef0c5e3b289e50c8d5db107c66f36c461789c144861c196d1ea8730", kill_on_drop: false }`
[INFO] [stdout] 880729a91ef0c5e3b289e50c8d5db107c66f36c461789c144861c196d1ea8730