[INFO] updating cached repository https://github.com/keathley/bf
[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] ee0333994d3059a4f7765fc404fbb694a33c66c0
[INFO] testing keathley/bf against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeathley%2Fbf" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keathley/bf on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/keathley/bf
[INFO] finished tweaking git repo https://github.com/keathley/bf
[INFO] tweaked toml for git repo https://github.com/keathley/bf written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/keathley/bf already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 34c205eb008cd27f148a534fb353da309b8ff065de5d5bd201ff88c3ea778345
[INFO] running `"docker" "start" "-a" "34c205eb008cd27f148a534fb353da309b8ff065de5d5bd201ff88c3ea778345"`
[INFO] [stderr]    Compiling bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `bytecode_to_string`
[INFO] [stderr]   --> src/interpreter/optimized.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn bytecode_to_string(ops: &Ops) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `"docker" "inspect" "34c205eb008cd27f148a534fb353da309b8ff065de5d5bd201ff88c3ea778345"`
[INFO] running `"docker" "rm" "-f" "34c205eb008cd27f148a534fb353da309b8ff065de5d5bd201ff88c3ea778345"`
[INFO] [stdout] 34c205eb008cd27f148a534fb353da309b8ff065de5d5bd201ff88c3ea778345
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c2d46537c22c436cf650cd33eec08ee51a32e9a849dc6544e520f1d40f116d78
[INFO] running `"docker" "start" "-a" "c2d46537c22c436cf650cd33eec08ee51a32e9a849dc6544e520f1d40f116d78"`
[INFO] [stderr]    Compiling bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `bytecode_to_string`
[INFO] [stderr]   --> src/interpreter/optimized.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn bytecode_to_string(ops: &Ops) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "c2d46537c22c436cf650cd33eec08ee51a32e9a849dc6544e520f1d40f116d78"`
[INFO] running `"docker" "rm" "-f" "c2d46537c22c436cf650cd33eec08ee51a32e9a849dc6544e520f1d40f116d78"`
[INFO] [stdout] c2d46537c22c436cf650cd33eec08ee51a32e9a849dc6544e520f1d40f116d78
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] c4a384bf04b9d5f82c6b3b83a4d41a8219407a81e132441d2495709d746d46f6
[INFO] running `"docker" "start" "-a" "c4a384bf04b9d5f82c6b3b83a4d41a8219407a81e132441d2495709d746d46f6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bf-0cda36f5973bc827
[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" "c4a384bf04b9d5f82c6b3b83a4d41a8219407a81e132441d2495709d746d46f6"`
[INFO] running `"docker" "rm" "-f" "c4a384bf04b9d5f82c6b3b83a4d41a8219407a81e132441d2495709d746d46f6"`
[INFO] [stdout] c4a384bf04b9d5f82c6b3b83a4d41a8219407a81e132441d2495709d746d46f6