[INFO] updating cached repository https://github.com/EralpCelebi/brainf-interpreter
[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] 166e482782bb2e7a767f019c93669e5eeb2ca629
[INFO] testing EralpCelebi/brainf-interpreter against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FEralpCelebi%2Fbrainf-interpreter" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EralpCelebi/brainf-interpreter 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/EralpCelebi/brainf-interpreter
[INFO] finished tweaking git repo https://github.com/EralpCelebi/brainf-interpreter
[INFO] tweaked toml for git repo https://github.com/EralpCelebi/brainf-interpreter written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/EralpCelebi/brainf-interpreter 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 6bd1e595a6e65f87ad5b2fb87567d6c32fea2219af3958a362703ee81c79d2be
[INFO] running `"docker" "start" "-a" "6bd1e595a6e65f87ad5b2fb87567d6c32fea2219af3958a362703ee81c79d2be"`
[INFO] [stderr]    Compiling bf-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]    --> src/main.rs:121:35
[INFO] [stderr]     |
[INFO] [stderr] 121 |     use std::io::{stdin,stdout,Write,Read};
[INFO] [stderr]     |                                      ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]    --> src/main.rs:123:2
[INFO] [stderr]     |
[INFO] [stderr] 123 |     while true {
[INFO] [stderr]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:86:6
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     std::io::stdout().flush();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:125:3
[INFO] [stderr]     |
[INFO] [stderr] 125 |         stdout().flush();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "6bd1e595a6e65f87ad5b2fb87567d6c32fea2219af3958a362703ee81c79d2be"`
[INFO] running `"docker" "rm" "-f" "6bd1e595a6e65f87ad5b2fb87567d6c32fea2219af3958a362703ee81c79d2be"`
[INFO] [stdout] 6bd1e595a6e65f87ad5b2fb87567d6c32fea2219af3958a362703ee81c79d2be
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] cad555fa9da96b7cab02f47ffe42e349469a3f64b615bde24c87bbc9b45ce1e9
[INFO] running `"docker" "start" "-a" "cad555fa9da96b7cab02f47ffe42e349469a3f64b615bde24c87bbc9b45ce1e9"`
[INFO] [stderr]    Compiling bf-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]    --> src/main.rs:121:35
[INFO] [stderr]     |
[INFO] [stderr] 121 |     use std::io::{stdin,stdout,Write,Read};
[INFO] [stderr]     |                                      ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]    --> src/main.rs:123:2
[INFO] [stderr]     |
[INFO] [stderr] 123 |     while true {
[INFO] [stderr]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:86:6
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     std::io::stdout().flush();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:125:3
[INFO] [stderr]     |
[INFO] [stderr] 125 |         stdout().flush();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "cad555fa9da96b7cab02f47ffe42e349469a3f64b615bde24c87bbc9b45ce1e9"`
[INFO] running `"docker" "rm" "-f" "cad555fa9da96b7cab02f47ffe42e349469a3f64b615bde24c87bbc9b45ce1e9"`
[INFO] [stdout] cad555fa9da96b7cab02f47ffe42e349469a3f64b615bde24c87bbc9b45ce1e9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] c47accdc908a2e415ba1aa1f3628188606cea2badc0003f3dc77b9302128100e
[INFO] running `"docker" "start" "-a" "c47accdc908a2e415ba1aa1f3628188606cea2badc0003f3dc77b9302128100e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bf_compiler-ff55b3732ab133f6
[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" "c47accdc908a2e415ba1aa1f3628188606cea2badc0003f3dc77b9302128100e"`
[INFO] running `"docker" "rm" "-f" "c47accdc908a2e415ba1aa1f3628188606cea2badc0003f3dc77b9302128100e"`
[INFO] [stdout] c47accdc908a2e415ba1aa1f3628188606cea2badc0003f3dc77b9302128100e