[INFO] updating cached repository https://github.com/Stateford/rust-graph
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9fd717504a2a2ff9f0e47593e82c4fdc009af82d
[INFO] checking Stateford/rust-graph against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FStateford%2Frust-graph" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Stateford/rust-graph on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Stateford/rust-graph
[INFO] finished tweaking git repo https://github.com/Stateford/rust-graph
[INFO] tweaked toml for git repo https://github.com/Stateford/rust-graph written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Stateford/rust-graph already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f7e950af451f0cbaa81de583e3b2859c0f55c50223b1cd95c5e23f92171ce4e
[INFO] running `"docker" "start" "-a" "5f7e950af451f0cbaa81de583e3b2859c0f55c50223b1cd95c5e23f92171ce4e"`
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.54.0
[INFO] [stderr]     Checking piston_window v0.85.0
[INFO] [stderr]     Checking graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `shift`
[INFO] [stderr]   --> src/graph/point.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn shift(&mut self, max_positions: i32, size: Vector2f) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `totalTime` should have a snake case name
[INFO] [stderr]   --> src/graph/instance.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     totalTime: f64,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to snake case: `total_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `switchTime` should have a snake case name
[INFO] [stderr]   --> src/graph/instance.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     switchTime: f64
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `switch_time`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shift`
[INFO] [stderr]   --> src/graph/point.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn shift(&mut self, max_positions: i32, size: Vector2f) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `totalTime` should have a snake case name
[INFO] [stderr]   --> src/graph/instance.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     totalTime: f64,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to snake case: `total_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `switchTime` should have a snake case name
[INFO] [stderr]   --> src/graph/instance.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     switchTime: f64
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `switch_time`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]  --> src/graph/point.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     x: f64,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]  --> src/graph/point.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     y: f64,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `position`
[INFO] [stderr]  --> src/graph/point.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     position: i32
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/graph/point.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_value`
[INFO] [stderr]   --> src/graph/point.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn set_value(&mut self, value: f64, max_positions: i32, position: usize, size: Vector2f) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shift`
[INFO] [stderr]   --> src/graph/point.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn shift(&mut self, max_positions: i32, size: Vector2f) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GraphPoints`
[INFO] [stderr]   --> src/graph/point.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct GraphPoints {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/graph/point.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn new(size: Vector2f) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_max_size`
[INFO] [stderr]   --> src/graph/point.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn set_max_size(&mut self, size: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/graph/point.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn len(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_point`
[INFO] [stderr]   --> src/graph/point.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn add_point(&mut self, value: f64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `totalTime` should have a snake case name
[INFO] [stderr]   --> src/graph/instance.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     totalTime: f64,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to snake case: `total_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `switchTime` should have a snake case name
[INFO] [stderr]   --> src/graph/instance.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     switchTime: f64
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `switch_time`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]  --> src/graph/point.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     x: f64,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]  --> src/graph/point.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     y: f64,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `position`
[INFO] [stderr]  --> src/graph/point.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     position: i32
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/graph/point.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_value`
[INFO] [stderr]   --> src/graph/point.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn set_value(&mut self, value: f64, max_positions: i32, position: usize, size: Vector2f) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shift`
[INFO] [stderr]   --> src/graph/point.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn shift(&mut self, max_positions: i32, size: Vector2f) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GraphPoints`
[INFO] [stderr]   --> src/graph/point.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct GraphPoints {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/graph/point.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn new(size: Vector2f) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_max_size`
[INFO] [stderr]   --> src/graph/point.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn set_max_size(&mut self, size: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/graph/point.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn len(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_point`
[INFO] [stderr]   --> src/graph/point.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn add_point(&mut self, value: f64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `totalTime` should have a snake case name
[INFO] [stderr]   --> src/graph/instance.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     totalTime: f64,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to snake case: `total_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `switchTime` should have a snake case name
[INFO] [stderr]   --> src/graph/instance.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     switchTime: f64
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `switch_time`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `"docker" "inspect" "5f7e950af451f0cbaa81de583e3b2859c0f55c50223b1cd95c5e23f92171ce4e"`
[INFO] running `"docker" "rm" "-f" "5f7e950af451f0cbaa81de583e3b2859c0f55c50223b1cd95c5e23f92171ce4e"`
[INFO] [stdout] 5f7e950af451f0cbaa81de583e3b2859c0f55c50223b1cd95c5e23f92171ce4e