[INFO] updating cached repository Noskcaj19/brainrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Noskcaj19/brainrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Noskcaj19/brainrust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Noskcaj19/brainrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Noskcaj19/brainrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Noskcaj19/brainrust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Noskcaj19/brainrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Noskcaj19/brainrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 273f0b066022f51ef7ff01005cfbd8faa87c33fe
[INFO] sha for GitHub repo Noskcaj19/brainrust: 273f0b066022f51ef7ff01005cfbd8faa87c33fe
[INFO] validating manifest of Noskcaj19/brainrust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Noskcaj19/brainrust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Noskcaj19/brainrust
[INFO] finished frobbing Noskcaj19/brainrust
[INFO] frobbed toml for Noskcaj19/brainrust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Noskcaj19/brainrust/Cargo.toml
[INFO] started frobbing Noskcaj19/brainrust
[INFO] finished frobbing Noskcaj19/brainrust
[INFO] frobbed toml for Noskcaj19/brainrust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Noskcaj19/brainrust/Cargo.toml
[INFO] crate Noskcaj19/brainrust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Noskcaj19/brainrust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Noskcaj19/brainrust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 02dda0b21e2aa4746fde58601c0a7bd1fc2aa9b60be63b35ea632ec096163be1
[INFO] running `"docker" "start" "-a" "02dda0b21e2aa4746fde58601c0a7bd1fc2aa9b60be63b35ea632ec096163be1"`
[INFO] [stderr]    Compiling bf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]  --> src/main.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{stdin, stdout, Write};
[INFO] [stderr]   |                      ^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "02dda0b21e2aa4746fde58601c0a7bd1fc2aa9b60be63b35ea632ec096163be1"`
[INFO] running `"docker" "rm" "-f" "02dda0b21e2aa4746fde58601c0a7bd1fc2aa9b60be63b35ea632ec096163be1"`
[INFO] [stdout] 02dda0b21e2aa4746fde58601c0a7bd1fc2aa9b60be63b35ea632ec096163be1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Noskcaj19/brainrust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d7a60f4c35ee3398bf2c34caa37c36c854576224fdd0084e8c89a67eb9dcf0da
[INFO] running `"docker" "start" "-a" "d7a60f4c35ee3398bf2c34caa37c36c854576224fdd0084e8c89a67eb9dcf0da"`
[INFO] [stderr]    Compiling bf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]  --> src/main.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{stdin, stdout, Write};
[INFO] [stderr]   |                      ^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "d7a60f4c35ee3398bf2c34caa37c36c854576224fdd0084e8c89a67eb9dcf0da"`
[INFO] running `"docker" "rm" "-f" "d7a60f4c35ee3398bf2c34caa37c36c854576224fdd0084e8c89a67eb9dcf0da"`
[INFO] [stdout] d7a60f4c35ee3398bf2c34caa37c36c854576224fdd0084e8c89a67eb9dcf0da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Noskcaj19/brainrust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 19015945408d0f8400c730b4555136eb574cb2c5f68116a12610c5c1991e3228
[INFO] running `"docker" "start" "-a" "19015945408d0f8400c730b4555136eb574cb2c5f68116a12610c5c1991e3228"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bf-ba796cfd85b3827c
[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" "19015945408d0f8400c730b4555136eb574cb2c5f68116a12610c5c1991e3228"`
[INFO] running `"docker" "rm" "-f" "19015945408d0f8400c730b4555136eb574cb2c5f68116a12610c5c1991e3228"`
[INFO] [stdout] 19015945408d0f8400c730b4555136eb574cb2c5f68116a12610c5c1991e3228