[INFO] cloning repository https://github.com/inq/sprout
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inq/sprout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fsprout"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fsprout'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5086aaac24579baf3df150420906d9d382f8791c
[INFO] checking inq/sprout against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fsprout" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inq/sprout on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/inq/sprout
[INFO] finished tweaking git repo https://github.com/inq/sprout
[INFO] tweaked toml for git repo https://github.com/inq/sprout written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/inq/sprout already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6cd525a02920acd081f3329b50c4988a29d1972ede06fec19b688ae372fe6111
[INFO] running `"docker" "start" "-a" "6cd525a02920acd081f3329b50c4988a29d1972ede06fec19b688ae372fe6111"`
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking ghakuf v0.5.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking lopdf v0.19.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking sprout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `VertLine`
[INFO] [stderr]  --> src/recognizer/bar/mod.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::common::{Fixed, Object, VertLine};
[INFO] [stderr]   |                                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VertLine`
[INFO] [stderr]  --> src/recognizer/bar/mod.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::common::{Fixed, Object, VertLine};
[INFO] [stderr]   |                                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Smf`
[INFO] [stderr]  --> src/smf/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Smf {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Action`
[INFO] [stderr]   --> src/smf/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Action {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `time`
[INFO] [stderr]   --> src/smf/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn time(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/smf/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(bpm: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/smf/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write(&mut self, collectors: &[Collector]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Smf`
[INFO] [stderr]  --> src/smf/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Smf {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Action`
[INFO] [stderr]   --> src/smf/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Action {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `time`
[INFO] [stderr]   --> src/smf/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn time(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/smf/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(bpm: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/smf/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write(&mut self, collectors: &[Collector]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.43s
[INFO] running `"docker" "inspect" "6cd525a02920acd081f3329b50c4988a29d1972ede06fec19b688ae372fe6111"`
[INFO] running `"docker" "rm" "-f" "6cd525a02920acd081f3329b50c4988a29d1972ede06fec19b688ae372fe6111"`
[INFO] [stdout] 6cd525a02920acd081f3329b50c4988a29d1972ede06fec19b688ae372fe6111