[INFO] updating cached repository https://github.com/BoogieP/CP-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] cf6f5e09c6e0b171148ce75b80cc69c77d150397
[INFO] testing BoogieP/CP-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FBoogieP%2FCP-rust" "work/builds/worker-9/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BoogieP/CP-rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BoogieP/CP-rust
[INFO] finished tweaking git repo https://github.com/BoogieP/CP-rust
[INFO] tweaked toml for git repo https://github.com/BoogieP/CP-rust written to work/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/BoogieP/CP-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] c69a263d9a53ae1d740a78a4b7118ec77321ac52e0619f1539dcc8d18f4ceb98
[INFO] running `"docker" "start" "-a" "c69a263d9a53ae1d740a78a4b7118ec77321ac52e0619f1539dcc8d18f4ceb98"`
[INFO] [stderr]    Compiling regex v1.3.0
[INFO] [stderr]    Compiling cp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufWriter, stdin, stdout, Write};
[INFO] [stderr]   |                                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scan`
[INFO] [stderr]   --> src/main.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut scan = Scanner::default();
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_scan`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let out = &mut BufWriter::new(stdout());
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_out`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut scan = Scanner::default();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `"docker" "inspect" "c69a263d9a53ae1d740a78a4b7118ec77321ac52e0619f1539dcc8d18f4ceb98"`
[INFO] running `"docker" "rm" "-f" "c69a263d9a53ae1d740a78a4b7118ec77321ac52e0619f1539dcc8d18f4ceb98"`
[INFO] [stdout] c69a263d9a53ae1d740a78a4b7118ec77321ac52e0619f1539dcc8d18f4ceb98
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5fd6dfceea1b2b4442672b40df7ec156d23cf2631686a73ca049603ac7de6a9
[INFO] running `"docker" "start" "-a" "d5fd6dfceea1b2b4442672b40df7ec156d23cf2631686a73ca049603ac7de6a9"`
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling cp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufWriter, stdin, stdout, Write};
[INFO] [stderr]   |                                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scan`
[INFO] [stderr]   --> src/main.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut scan = Scanner::default();
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_scan`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let out = &mut BufWriter::new(stdout());
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_out`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut scan = Scanner::default();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.46s
[INFO] running `"docker" "inspect" "d5fd6dfceea1b2b4442672b40df7ec156d23cf2631686a73ca049603ac7de6a9"`
[INFO] running `"docker" "rm" "-f" "d5fd6dfceea1b2b4442672b40df7ec156d23cf2631686a73ca049603ac7de6a9"`
[INFO] [stdout] d5fd6dfceea1b2b4442672b40df7ec156d23cf2631686a73ca049603ac7de6a9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 2ef4f9c1f0a986e85caf80ce064859b45dd06ea5ce8031a379b889e25b4e28fa
[INFO] running `"docker" "start" "-a" "2ef4f9c1f0a986e85caf80ce064859b45dd06ea5ce8031a379b889e25b4e28fa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cp-047042edac679a21
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2ef4f9c1f0a986e85caf80ce064859b45dd06ea5ce8031a379b889e25b4e28fa"`
[INFO] running `"docker" "rm" "-f" "2ef4f9c1f0a986e85caf80ce064859b45dd06ea5ce8031a379b889e25b4e28fa"`
[INFO] [stdout] 2ef4f9c1f0a986e85caf80ce064859b45dd06ea5ce8031a379b889e25b4e28fa