[INFO] updating cached repository https://github.com/mdsherry/ministat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] f8900b6f6c5a407a9e7f045c2faa830a3c61b382
[INFO] checking mdsherry/ministat against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsherry%2Fministat" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdsherry/ministat on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mdsherry/ministat
[INFO] finished tweaking git repo https://github.com/mdsherry/ministat
[INFO] tweaked toml for git repo https://github.com/mdsherry/ministat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mdsherry/ministat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6d26c0b510ea52e1190d3d21af160973f9965b94e9b3b7177942ceb240ab8eaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6d26c0b510ea52e1190d3d21af160973f9965b94e9b3b7177942ceb240ab8eaf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking kahan v0.1.0
[INFO] [stderr]     Checking noisy_float v0.1.4
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking terminal_size v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking ministat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `BufReader` is imported redundantly
[INFO] [stderr]   --> src/data.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use std::io::{BufReader, BufRead};
[INFO] [stderr]    |               --------- the item `BufReader` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 53 |     use std::io::BufReader;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `BufReader` is imported redundantly
[INFO] [stderr]   --> src/data.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use std::io::{BufReader, BufRead};
[INFO] [stderr]    |               --------- the item `BufReader` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 53 |     use std::io::BufReader;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]  --> src/args.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(StructOpt, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |          |
[INFO] [stderr]   |          unreachable call
[INFO] [stderr]   |          any code following this expression is unreachable
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/stats.rs:72:35
[INFO] [stderr]    |
[INFO] [stderr] 72 |         |x| format!("{:13.6}", x).trim_right_matches('0').trim_right_matches('.').to_string();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/stats.rs:72:59
[INFO] [stderr]    |
[INFO] [stderr] 72 |         |x| format!("{:13.6}", x).trim_right_matches('0').trim_right_matches('.').to_string();
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]  --> src/args.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(StructOpt, Debug)]
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |          |
[INFO] [stderr]   |          unreachable call
[INFO] [stderr]   |          any code following this expression is unreachable
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/stats.rs:72:35
[INFO] [stderr]    |
[INFO] [stderr] 72 |         |x| format!("{:13.6}", x).trim_right_matches('0').trim_right_matches('.').to_string();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/stats.rs:72:59
[INFO] [stderr]    |
[INFO] [stderr] 72 |         |x| format!("{:13.6}", x).trim_right_matches('0').trim_right_matches('.').to_string();
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `"docker" "inspect" "6d26c0b510ea52e1190d3d21af160973f9965b94e9b3b7177942ceb240ab8eaf"`
[INFO] running `"docker" "rm" "-f" "6d26c0b510ea52e1190d3d21af160973f9965b94e9b3b7177942ceb240ab8eaf"`
[INFO] [stdout] 6d26c0b510ea52e1190d3d21af160973f9965b94e9b3b7177942ceb240ab8eaf