[INFO] updating cached repository cogciprocate/microcosm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cogciprocate/microcosm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cogciprocate/microcosm" "work/ex/beta-1.37-6/sources/1.36.0/gh/cogciprocate/microcosm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cogciprocate/microcosm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cogciprocate/microcosm" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cogciprocate/microcosm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cogciprocate/microcosm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4dc03786c1826053869c4683f4b4210c1cca4a6
[INFO] sha for GitHub repo cogciprocate/microcosm: c4dc03786c1826053869c4683f4b4210c1cca4a6
[INFO] validating manifest of cogciprocate/microcosm on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cogciprocate/microcosm on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cogciprocate/microcosm
[INFO] finished frobbing cogciprocate/microcosm
[INFO] frobbed toml for cogciprocate/microcosm written to work/ex/beta-1.37-6/sources/1.36.0/gh/cogciprocate/microcosm/Cargo.toml
[INFO] started frobbing cogciprocate/microcosm
[INFO] finished frobbing cogciprocate/microcosm
[INFO] frobbed toml for cogciprocate/microcosm written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cogciprocate/microcosm/Cargo.toml
[INFO] crate cogciprocate/microcosm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cogciprocate/microcosm/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cogciprocate/microcosm against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cogciprocate/microcosm:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 87185811a03e956fad75a4716e00320ee5b79cd76f311d9ecef36042bcba9655
[INFO] running `"docker" "start" "-a" "87185811a03e956fad75a4716e00320ee5b79cd76f311d9ecef36042bcba9655"`
[INFO] [stderr]    Compiling microcosm v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `num::Float`
[INFO] [stderr]  --> src/entity.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::Float`
[INFO] [stderr]  --> src/world.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inten`
[INFO] [stderr]   --> src/world.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let inten = if common::floats_eq(0f32, dist) { 1f32 / 0.0001f32.powi(2) } else { 1f32 / dist.powi(2) };
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_inten`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "87185811a03e956fad75a4716e00320ee5b79cd76f311d9ecef36042bcba9655"`
[INFO] running `"docker" "rm" "-f" "87185811a03e956fad75a4716e00320ee5b79cd76f311d9ecef36042bcba9655"`
[INFO] [stdout] 87185811a03e956fad75a4716e00320ee5b79cd76f311d9ecef36042bcba9655
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cogciprocate/microcosm:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3c31253a09cca5685f2093005854270b7112a45dc444961d07ed95672efc268b
[INFO] running `"docker" "start" "-a" "3c31253a09cca5685f2093005854270b7112a45dc444961d07ed95672efc268b"`
[INFO] [stderr]    Compiling microcosm v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `num::Float`
[INFO] [stderr]  --> src/entity.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::Float`
[INFO] [stderr]  --> src/world.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inten`
[INFO] [stderr]   --> src/world.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let inten = if common::floats_eq(0f32, dist) { 1f32 / 0.0001f32.powi(2) } else { 1f32 / dist.powi(2) };
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_inten`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "3c31253a09cca5685f2093005854270b7112a45dc444961d07ed95672efc268b"`
[INFO] running `"docker" "rm" "-f" "3c31253a09cca5685f2093005854270b7112a45dc444961d07ed95672efc268b"`
[INFO] [stdout] 3c31253a09cca5685f2093005854270b7112a45dc444961d07ed95672efc268b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cogciprocate/microcosm:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f9237d8c1888203f01a8e60cadfe57c63377ecb7ff1b1fcd0b43db251189edd5
[INFO] running `"docker" "start" "-a" "f9237d8c1888203f01a8e60cadfe57c63377ecb7ff1b1fcd0b43db251189edd5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/microcosm-110452ade99ab223
[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]    Doc-tests microcosm
[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" "f9237d8c1888203f01a8e60cadfe57c63377ecb7ff1b1fcd0b43db251189edd5"`
[INFO] running `"docker" "rm" "-f" "f9237d8c1888203f01a8e60cadfe57c63377ecb7ff1b1fcd0b43db251189edd5"`
[INFO] [stdout] f9237d8c1888203f01a8e60cadfe57c63377ecb7ff1b1fcd0b43db251189edd5