[INFO] updating cached repository bhamrick/factorio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bhamrick/factorio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bhamrick/factorio" "work/ex/beta-1.38-1/sources/1.37.0/gh/bhamrick/factorio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bhamrick/factorio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bhamrick/factorio" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bhamrick/factorio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bhamrick/factorio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c41b01434d6105fc6bbf002659f145a8d67dc562
[INFO] sha for GitHub repo bhamrick/factorio: c41b01434d6105fc6bbf002659f145a8d67dc562
[INFO] validating manifest of bhamrick/factorio 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 bhamrick/factorio 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 bhamrick/factorio
[INFO] finished frobbing bhamrick/factorio
[INFO] frobbed toml for bhamrick/factorio written to work/ex/beta-1.38-1/sources/1.37.0/gh/bhamrick/factorio/Cargo.toml
[INFO] started frobbing bhamrick/factorio
[INFO] finished frobbing bhamrick/factorio
[INFO] frobbed toml for bhamrick/factorio written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bhamrick/factorio/Cargo.toml
[INFO] crate bhamrick/factorio 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] testing bhamrick/factorio 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bhamrick/factorio:/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] a21207be1fdf6d905d0caf3465c913ed7a640a488f78c5928a7632d1bfe41860
[INFO] running `"docker" "start" "-a" "a21207be1fdf6d905d0caf3465c913ed7a640a488f78c5928a7632d1bfe41860"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling nom v3.1.0
[INFO] [stderr]    Compiling factorio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:3300:25
[INFO] [stderr]      |
[INFO] [stderr] 3300 |                     let mut coeff : &mut f32 = ent.get_mut();
[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] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:3311:25
[INFO] [stderr]      |
[INFO] [stderr] 3311 |                     let mut coeff : &mut f32 = ent.get_mut();
[INFO] [stderr]      |                         ----^^^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `"docker" "inspect" "a21207be1fdf6d905d0caf3465c913ed7a640a488f78c5928a7632d1bfe41860"`
[INFO] running `"docker" "rm" "-f" "a21207be1fdf6d905d0caf3465c913ed7a640a488f78c5928a7632d1bfe41860"`
[INFO] [stdout] a21207be1fdf6d905d0caf3465c913ed7a640a488f78c5928a7632d1bfe41860
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bhamrick/factorio:/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] c94d081b761a90bb38b4f2081a14935e2f87bcd398c03f719d8083fa7295bd2f
[INFO] running `"docker" "start" "-a" "c94d081b761a90bb38b4f2081a14935e2f87bcd398c03f719d8083fa7295bd2f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling factorio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:3300:25
[INFO] [stderr]      |
[INFO] [stderr] 3300 |                     let mut coeff : &mut f32 = ent.get_mut();
[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] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:3311:25
[INFO] [stderr]      |
[INFO] [stderr] 3311 |                     let mut coeff : &mut f32 = ent.get_mut();
[INFO] [stderr]      |                         ----^^^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "c94d081b761a90bb38b4f2081a14935e2f87bcd398c03f719d8083fa7295bd2f"`
[INFO] running `"docker" "rm" "-f" "c94d081b761a90bb38b4f2081a14935e2f87bcd398c03f719d8083fa7295bd2f"`
[INFO] [stdout] c94d081b761a90bb38b4f2081a14935e2f87bcd398c03f719d8083fa7295bd2f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bhamrick/factorio:/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] f52d108d7428e5d384f34b437c89c3493761ed9d36986d6e096c243a67048e82
[INFO] running `"docker" "start" "-a" "f52d108d7428e5d384f34b437c89c3493761ed9d36986d6e096c243a67048e82"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/factorio-bd4ca8fbb6374e36
[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" "f52d108d7428e5d384f34b437c89c3493761ed9d36986d6e096c243a67048e82"`
[INFO] running `"docker" "rm" "-f" "f52d108d7428e5d384f34b437c89c3493761ed9d36986d6e096c243a67048e82"`
[INFO] [stdout] f52d108d7428e5d384f34b437c89c3493761ed9d36986d6e096c243a67048e82