[INFO] cloning repository https://github.com/mdsherry/ministat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdsherry/ministat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsherry%2Fministat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsherry%2Fministat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8900b6f6c5a407a9e7f045c2faa830a3c61b382
[INFO] checking mdsherry/ministat against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsherry%2Fministat" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdsherry/ministat on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-15/source/Cargo.toml
[INFO] crate git repo https://github.com/mdsherry/ministat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff60be1395d1156cbd12996d9b83547339f9b7b0e6b245925ccc68ae5958e9d8
[INFO] running `Command { std: "docker" "start" "-a" "ff60be1395d1156cbd12996d9b83547339f9b7b0e6b245925ccc68ae5958e9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff60be1395d1156cbd12996d9b83547339f9b7b0e6b245925ccc68ae5958e9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff60be1395d1156cbd12996d9b83547339f9b7b0e6b245925ccc68ae5958e9d8", kill_on_drop: false }`
[INFO] [stdout] ff60be1395d1156cbd12996d9b83547339f9b7b0e6b245925ccc68ae5958e9d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b837dc8a2dd3b13fd1fa0586e2d2be5bc67b2c658fe50b7c6e755729cfcec17
[INFO] running `Command { std: "docker" "start" "-a" "2b837dc8a2dd3b13fd1fa0586e2d2be5bc67b2c658fe50b7c6e755729cfcec17", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking noisy_float v0.1.4
[INFO] [stderr]     Checking kahan v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking terminal_size v0.1.7
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking structopt v0.1.6
[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] [stdout] warning: the item `BufReader` is imported redundantly
[INFO] [stdout]   --> src/data.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::io::{BufReader, BufRead};
[INFO] [stdout]    |               --------- the item `BufReader` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     use std::io::BufReader;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufReader` is imported redundantly
[INFO] [stdout]   --> src/data.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::io::{BufReader, BufRead};
[INFO] [stdout]    |               --------- the item `BufReader` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     use std::io::BufReader;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/stats.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |         |x| format!("{:13.6}", x).trim_right_matches('0').trim_right_matches('.').to_string();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/stats.rs:72:59
[INFO] [stdout]    |
[INFO] [stdout] 72 |         |x| format!("{:13.6}", x).trim_right_matches('0').trim_right_matches('.').to_string();
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/stats.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |         |x| format!("{:13.6}", x).trim_right_matches('0').trim_right_matches('.').to_string();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/stats.rs:72:59
[INFO] [stdout]    |
[INFO] [stdout] 72 |         |x| format!("{:13.6}", x).trim_right_matches('0').trim_right_matches('.').to_string();
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `Command { std: "docker" "inspect" "2b837dc8a2dd3b13fd1fa0586e2d2be5bc67b2c658fe50b7c6e755729cfcec17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b837dc8a2dd3b13fd1fa0586e2d2be5bc67b2c658fe50b7c6e755729cfcec17", kill_on_drop: false }`
[INFO] [stdout] 2b837dc8a2dd3b13fd1fa0586e2d2be5bc67b2c658fe50b7c6e755729cfcec17