[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[INFO] the lockfile is outdated, regenerating it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 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d49fa8765b197c1f60a7c149873591b8a9ee926b115da8d317a250382538cbd4
[INFO] running `"docker" "start" "-a" "d49fa8765b197c1f60a7c149873591b8a9ee926b115da8d317a250382538cbd4"`
[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 7.12s
[INFO] running `"docker" "inspect" "d49fa8765b197c1f60a7c149873591b8a9ee926b115da8d317a250382538cbd4"`
[INFO] running `"docker" "rm" "-f" "d49fa8765b197c1f60a7c149873591b8a9ee926b115da8d317a250382538cbd4"`
[INFO] [stdout] d49fa8765b197c1f60a7c149873591b8a9ee926b115da8d317a250382538cbd4
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4837e6d863feea543af2c473c16580a6547c9ded69b216748da6e160c64af821
[INFO] running `"docker" "start" "-a" "4837e6d863feea543af2c473c16580a6547c9ded69b216748da6e160c64af821"`
[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 1.96s
[INFO] running `"docker" "inspect" "4837e6d863feea543af2c473c16580a6547c9ded69b216748da6e160c64af821"`
[INFO] running `"docker" "rm" "-f" "4837e6d863feea543af2c473c16580a6547c9ded69b216748da6e160c64af821"`
[INFO] [stdout] 4837e6d863feea543af2c473c16580a6547c9ded69b216748da6e160c64af821
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] df4dbff81b29286997a6e08a1a507527ae8579f91f44ab74d819e010f1173891
[INFO] running `"docker" "start" "-a" "df4dbff81b29286997a6e08a1a507527ae8579f91f44ab74d819e010f1173891"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neoqo-54079e72627c44a5
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neodbg-cee1bf89e37c5012
[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] [stderr]      Running /opt/crater/target/debug/deps/neoqo-6f6087fd02441554
[INFO] [stderr]    Doc-tests neoqo
[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" "df4dbff81b29286997a6e08a1a507527ae8579f91f44ab74d819e010f1173891"`
[INFO] running `"docker" "rm" "-f" "df4dbff81b29286997a6e08a1a507527ae8579f91f44ab74d819e010f1173891"`
[INFO] [stdout] df4dbff81b29286997a6e08a1a507527ae8579f91f44ab74d819e010f1173891