[INFO] updating cached repository docevaad/synacorvm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/docevaad/synacorvm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/docevaad/synacorvm" "work/ex/beta-1.38-1/sources/1.37.0/gh/docevaad/synacorvm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/docevaad/synacorvm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/docevaad/synacorvm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/docevaad/synacorvm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/docevaad/synacorvm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea92303aea20407b489061742b5bf159c8314344
[INFO] sha for GitHub repo docevaad/synacorvm: ea92303aea20407b489061742b5bf159c8314344
[INFO] validating manifest of docevaad/synacorvm 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 docevaad/synacorvm 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 docevaad/synacorvm
[INFO] finished frobbing docevaad/synacorvm
[INFO] frobbed toml for docevaad/synacorvm written to work/ex/beta-1.38-1/sources/1.37.0/gh/docevaad/synacorvm/Cargo.toml
[INFO] started frobbing docevaad/synacorvm
[INFO] finished frobbing docevaad/synacorvm
[INFO] frobbed toml for docevaad/synacorvm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/docevaad/synacorvm/Cargo.toml
[INFO] crate docevaad/synacorvm 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] [stderr]     Blocking waiting for file lock on package cache
[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 docevaad/synacorvm 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/docevaad/synacorvm:/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] 7a661957d68b265aa49cdee458ce45360a90c02ca6c7055b1b7658ef36c6295e
[INFO] running `"docker" "start" "-a" "7a661957d68b265aa49cdee458ce45360a90c02ca6c7055b1b7658ef36c6295e"`
[INFO] [stderr]    Compiling synacorvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `bytecode_size`
[INFO] [stderr]  --> src/engine/svm_program.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     bytecode_size: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_program`
[INFO] [stderr]   --> src/engine/svm_program.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn print_program(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `nextValue` should have a snake case name
[INFO] [stderr]   --> src/engine/internals/instruction_pointer.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let nextValue = memory.load_memory(self.ip);
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `next_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "7a661957d68b265aa49cdee458ce45360a90c02ca6c7055b1b7658ef36c6295e"`
[INFO] running `"docker" "rm" "-f" "7a661957d68b265aa49cdee458ce45360a90c02ca6c7055b1b7658ef36c6295e"`
[INFO] [stdout] 7a661957d68b265aa49cdee458ce45360a90c02ca6c7055b1b7658ef36c6295e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/docevaad/synacorvm:/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] c55246ed1978a52adf0570b8d644f2f9c9306c5bbc87fec9f6f1ec944ebb300e
[INFO] running `"docker" "start" "-a" "c55246ed1978a52adf0570b8d644f2f9c9306c5bbc87fec9f6f1ec944ebb300e"`
[INFO] [stderr]    Compiling synacorvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `bytecode_size`
[INFO] [stderr]  --> src/engine/svm_program.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     bytecode_size: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_program`
[INFO] [stderr]   --> src/engine/svm_program.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn print_program(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `nextValue` should have a snake case name
[INFO] [stderr]   --> src/engine/internals/instruction_pointer.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let nextValue = memory.load_memory(self.ip);
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `next_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "c55246ed1978a52adf0570b8d644f2f9c9306c5bbc87fec9f6f1ec944ebb300e"`
[INFO] running `"docker" "rm" "-f" "c55246ed1978a52adf0570b8d644f2f9c9306c5bbc87fec9f6f1ec944ebb300e"`
[INFO] [stdout] c55246ed1978a52adf0570b8d644f2f9c9306c5bbc87fec9f6f1ec944ebb300e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/docevaad/synacorvm:/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] eb54258d2b61f33c9fe03be14ac2f428c1c9292a9a028a7360cbd67f620538a7
[INFO] running `"docker" "start" "-a" "eb54258d2b61f33c9fe03be14ac2f428c1c9292a9a028a7360cbd67f620538a7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synacorvm-313b23aeec3a8e93
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eb54258d2b61f33c9fe03be14ac2f428c1c9292a9a028a7360cbd67f620538a7"`
[INFO] running `"docker" "rm" "-f" "eb54258d2b61f33c9fe03be14ac2f428c1c9292a9a028a7360cbd67f620538a7"`
[INFO] [stdout] eb54258d2b61f33c9fe03be14ac2f428c1c9292a9a028a7360cbd67f620538a7