[INFO] updating cached repository SplittyDev/neoqo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SplittyDev/neoqo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SplittyDev/neoqo" "work/ex/beta-1.38-1/sources/1.37.0/gh/SplittyDev/neoqo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/SplittyDev/neoqo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SplittyDev/neoqo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SplittyDev/neoqo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SplittyDev/neoqo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b4c76fa4fe124a809d3a40f4a37e69dbe36de26e
[INFO] sha for GitHub repo SplittyDev/neoqo: b4c76fa4fe124a809d3a40f4a37e69dbe36de26e
[INFO] validating manifest of SplittyDev/neoqo 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 SplittyDev/neoqo 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 SplittyDev/neoqo
[INFO] finished frobbing SplittyDev/neoqo
[INFO] frobbed toml for SplittyDev/neoqo written to work/ex/beta-1.38-1/sources/1.37.0/gh/SplittyDev/neoqo/Cargo.toml
[INFO] started frobbing SplittyDev/neoqo
[INFO] finished frobbing SplittyDev/neoqo
[INFO] frobbed toml for SplittyDev/neoqo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SplittyDev/neoqo/Cargo.toml
[INFO] crate SplittyDev/neoqo 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SplittyDev/neoqo/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing SplittyDev/neoqo 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-1/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/SplittyDev/neoqo:/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] 31f9c4071efa959557e0271b2a0d2542233e6ea1218d83b5c99f7e1351c035b7
[INFO] running `"docker" "start" "-a" "31f9c4071efa959557e0271b2a0d2542233e6ea1218d83b5c99f7e1351c035b7"`
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling bincode v0.5.9
[INFO] [stderr]    Compiling neoqo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm/vm.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |             let mut server = self.debug_server.as_mut().unwrap();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.07s
[INFO] running `"docker" "inspect" "31f9c4071efa959557e0271b2a0d2542233e6ea1218d83b5c99f7e1351c035b7"`
[INFO] running `"docker" "rm" "-f" "31f9c4071efa959557e0271b2a0d2542233e6ea1218d83b5c99f7e1351c035b7"`
[INFO] [stdout] 31f9c4071efa959557e0271b2a0d2542233e6ea1218d83b5c99f7e1351c035b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/SplittyDev/neoqo:/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] 16fc8bc1a42e4b8859e44d098a518450106420cc9f4f408db05f478f0808df55
[INFO] running `"docker" "start" "-a" "16fc8bc1a42e4b8859e44d098a518450106420cc9f4f408db05f478f0808df55"`
[INFO] [stderr]    Compiling neoqo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm/vm.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |             let mut server = self.debug_server.as_mut().unwrap();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "16fc8bc1a42e4b8859e44d098a518450106420cc9f4f408db05f478f0808df55"`
[INFO] running `"docker" "rm" "-f" "16fc8bc1a42e4b8859e44d098a518450106420cc9f4f408db05f478f0808df55"`
[INFO] [stdout] 16fc8bc1a42e4b8859e44d098a518450106420cc9f4f408db05f478f0808df55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/SplittyDev/neoqo:/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] 510e74e031f590ee51acc9e9eee80314073cf546555a17aa3070178e34fe1c06
[INFO] running `"docker" "start" "-a" "510e74e031f590ee51acc9e9eee80314073cf546555a17aa3070178e34fe1c06"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neoqo-7c817d63c38ce4fb
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neodbg-dc2139c2315aa246
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neoqo-163940050933d6d9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests neoqo
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "510e74e031f590ee51acc9e9eee80314073cf546555a17aa3070178e34fe1c06"`
[INFO] running `"docker" "rm" "-f" "510e74e031f590ee51acc9e9eee80314073cf546555a17aa3070178e34fe1c06"`
[INFO] [stdout] 510e74e031f590ee51acc9e9eee80314073cf546555a17aa3070178e34fe1c06