[INFO] cloning repository https://github.com/fredlahde/bucky
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredlahde/bucky" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredlahde%2Fbucky"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredlahde%2Fbucky'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66cc4e3581214b9467618daa277f0f2186253ba7
[INFO] checking fredlahde/bucky against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredlahde%2Fbucky" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredlahde/bucky on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fredlahde/bucky
[INFO] finished tweaking git repo https://github.com/fredlahde/bucky
[INFO] tweaked toml for git repo https://github.com/fredlahde/bucky written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/fredlahde/bucky already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 49f992964c2fd9f074a09e200632ea7157a29ac7ba2ebcc64f7fc99892b70cfd
[INFO] running `"docker" "start" "-a" "49f992964c2fd9f074a09e200632ea7157a29ac7ba2ebcc64f7fc99892b70cfd"`
[INFO] [stderr]     Checking bucky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/config.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/config.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/config.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/config.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/config.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn read(r: &mut dyn Read) -> Result<Config> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_or_default`
[INFO] [stderr]   --> src/config.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn read_or_default(r: &mut dyn Read) -> Config {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_scheduled`
[INFO] [stderr]  --> src/schedule.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run_scheduled(interval: u32, f: &dyn Fn() -> Result<()>) -> Result<()> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/config.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn read(r: &mut dyn Read) -> Result<Config> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_or_default`
[INFO] [stderr]   --> src/config.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn read_or_default(r: &mut dyn Read) -> Config {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_scheduled`
[INFO] [stderr]  --> src/schedule.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run_scheduled(interval: u32, f: &dyn Fn() -> Result<()>) -> Result<()> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "49f992964c2fd9f074a09e200632ea7157a29ac7ba2ebcc64f7fc99892b70cfd"`
[INFO] running `"docker" "rm" "-f" "49f992964c2fd9f074a09e200632ea7157a29ac7ba2ebcc64f7fc99892b70cfd"`
[INFO] [stdout] 49f992964c2fd9f074a09e200632ea7157a29ac7ba2ebcc64f7fc99892b70cfd