[INFO] updating cached repository zargony/synacor-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zargony/synacor-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zargony/synacor-challenge" "work/ex/beta-1.38-1/sources/1.37.0/gh/zargony/synacor-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zargony/synacor-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zargony/synacor-challenge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zargony/synacor-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zargony/synacor-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07b7a31e7ad31202e31007eac05fe6173bf7ff60
[INFO] sha for GitHub repo zargony/synacor-challenge: 07b7a31e7ad31202e31007eac05fe6173bf7ff60
[INFO] validating manifest of zargony/synacor-challenge 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 zargony/synacor-challenge 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 zargony/synacor-challenge
[INFO] finished frobbing zargony/synacor-challenge
[INFO] frobbed toml for zargony/synacor-challenge written to work/ex/beta-1.38-1/sources/1.37.0/gh/zargony/synacor-challenge/Cargo.toml
[INFO] started frobbing zargony/synacor-challenge
[INFO] finished frobbing zargony/synacor-challenge
[INFO] frobbed toml for zargony/synacor-challenge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zargony/synacor-challenge/Cargo.toml
[INFO] crate zargony/synacor-challenge 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing zargony/synacor-challenge against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zargony/synacor-challenge:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 94335edc16a7cc00f9d5907fb346eb65247a3e5e06974e5b1d082e7aca3d8cfe
[INFO] running `"docker" "start" "-a" "94335edc16a7cc00f9d5907fb346eb65247a3e5e06974e5b1d082e7aca3d8cfe"`
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling synacor-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `jump`
[INFO] [stderr]    --> src/memory.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn jump(&mut self, addr: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.44s
[INFO] running `"docker" "inspect" "94335edc16a7cc00f9d5907fb346eb65247a3e5e06974e5b1d082e7aca3d8cfe"`
[INFO] running `"docker" "rm" "-f" "94335edc16a7cc00f9d5907fb346eb65247a3e5e06974e5b1d082e7aca3d8cfe"`
[INFO] [stdout] 94335edc16a7cc00f9d5907fb346eb65247a3e5e06974e5b1d082e7aca3d8cfe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zargony/synacor-challenge:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d2940ede8c1828aaf60fc8c79c898d87ebfbd9ec975e64e0d52fef598c2177fe
[INFO] running `"docker" "start" "-a" "d2940ede8c1828aaf60fc8c79c898d87ebfbd9ec975e64e0d52fef598c2177fe"`
[INFO] [stderr]    Compiling synacor-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "d2940ede8c1828aaf60fc8c79c898d87ebfbd9ec975e64e0d52fef598c2177fe"`
[INFO] running `"docker" "rm" "-f" "d2940ede8c1828aaf60fc8c79c898d87ebfbd9ec975e64e0d52fef598c2177fe"`
[INFO] [stdout] d2940ede8c1828aaf60fc8c79c898d87ebfbd9ec975e64e0d52fef598c2177fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zargony/synacor-challenge:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6fe2ebcf9da644a4d71c733ece45d6cf395182d05b7f367f7db221bb034ae012
[INFO] running `"docker" "start" "-a" "6fe2ebcf9da644a4d71c733ece45d6cf395182d05b7f367f7db221bb034ae012"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synacor_challenge-9152eaf9871906ab
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test vm::tests::instruction_fetching ... ok
[INFO] [stdout] test memory::tests::creating ... ok
[INFO] [stdout] test vm::tests::operand_fetching ... ok
[INFO] [stdout] test memory::tests::loading ... ok
[INFO] [stdout] test memory::tests::pointer_operations ... ok
[INFO] [stdout] test memory::tests::basic_access ... ok
[INFO] [stdout] test vm::tests::vm ... ok
[INFO] [stdout] test vm::tests::operands ... ok
[INFO] [stdout] test memory::tests::loading_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6fe2ebcf9da644a4d71c733ece45d6cf395182d05b7f367f7db221bb034ae012"`
[INFO] running `"docker" "rm" "-f" "6fe2ebcf9da644a4d71c733ece45d6cf395182d05b7f367f7db221bb034ae012"`
[INFO] [stdout] 6fe2ebcf9da644a4d71c733ece45d6cf395182d05b7f367f7db221bb034ae012