[INFO] updating cached repository https://github.com/zesterer/fuckvm
[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] cf2751673cba6fe0eba6495ce0585958097add51
[INFO] testing zesterer/fuckvm against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm" "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/zesterer/fuckvm 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/zesterer/fuckvm
[INFO] finished tweaking git repo https://github.com/zesterer/fuckvm
[INFO] tweaked toml for git repo https://github.com/zesterer/fuckvm written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/zesterer/fuckvm 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] 79719e56b359ac15fbf0a9c4193501035a9134185ebf71627572955a4201a687
[INFO] running `"docker" "start" "-a" "79719e56b359ac15fbf0a9c4193501035a9134185ebf71627572955a4201a687"`
[INFO] [stderr]    Compiling fuckvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ir/lir.rs:165:21
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     _ => unimplemented!(),
[INFO] [stderr]     |                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stack_size`
[INFO] [stderr]    --> src/bf/bfir.rs:111:37
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_stack_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCRATCH_3`
[INFO] [stderr]    --> src/bf/bfir.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | const SCRATCH_3: usize = 9;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_byte_zeroing`
[INFO] [stderr]    --> src/bf/bfir.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/test.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     vm.exec(&bf);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `"docker" "inspect" "79719e56b359ac15fbf0a9c4193501035a9134185ebf71627572955a4201a687"`
[INFO] running `"docker" "rm" "-f" "79719e56b359ac15fbf0a9c4193501035a9134185ebf71627572955a4201a687"`
[INFO] [stdout] 79719e56b359ac15fbf0a9c4193501035a9134185ebf71627572955a4201a687
[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] 0f9e2fc311842ee3cc80be08bfd0907de9e78f500e7e23ac40d22971db99b4d1
[INFO] running `"docker" "start" "-a" "0f9e2fc311842ee3cc80be08bfd0907de9e78f500e7e23ac40d22971db99b4d1"`
[INFO] [stderr]    Compiling fuckvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/test.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     vm.exec(&bf);
[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: unreachable pattern
[INFO] [stderr]    --> src/bf/bfir.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 _ => unimplemented!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ir/lir.rs:165:21
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     _ => unimplemented!(),
[INFO] [stderr]     |                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stack_size`
[INFO] [stderr]    --> src/bf/bfir.rs:111:37
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 lir::Branch::Return(stack_size) =>
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_stack_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCRATCH_3`
[INFO] [stderr]    --> src/bf/bfir.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | const SCRATCH_3: usize = 9;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_byte_zeroing`
[INFO] [stderr]    --> src/bf/bfir.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "0f9e2fc311842ee3cc80be08bfd0907de9e78f500e7e23ac40d22971db99b4d1"`
[INFO] running `"docker" "rm" "-f" "0f9e2fc311842ee3cc80be08bfd0907de9e78f500e7e23ac40d22971db99b4d1"`
[INFO] [stdout] 0f9e2fc311842ee3cc80be08bfd0907de9e78f500e7e23ac40d22971db99b4d1
[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] 585756ef2310762e4908e7e57613a7a8a4fed249cfa30861b4b597dda130d064
[INFO] running `"docker" "start" "-a" "585756ef2310762e4908e7e57613a7a8a4fed249cfa30861b4b597dda130d064"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuckvm-c90d6c757b573838
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test-99648bf5cf7b135f
[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] [stderr]      Running /opt/rustwide/target/debug/deps/vm-fb86ac288ab2df20
[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] [stderr]    Doc-tests fuckvm
[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" "585756ef2310762e4908e7e57613a7a8a4fed249cfa30861b4b597dda130d064"`
[INFO] running `"docker" "rm" "-f" "585756ef2310762e4908e7e57613a7a8a4fed249cfa30861b4b597dda130d064"`
[INFO] [stdout] 585756ef2310762e4908e7e57613a7a8a4fed249cfa30861b4b597dda130d064