[INFO] updating cached repository Euphoric/EconomicSim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Euphoric/EconomicSim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Euphoric/EconomicSim" "work/ex/beta-1.38-1/sources/1.37.0/gh/Euphoric/EconomicSim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Euphoric/EconomicSim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Euphoric/EconomicSim" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Euphoric/EconomicSim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Euphoric/EconomicSim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 01d71306fbc3e508eeb5f5be7ffadf80d30fc545
[INFO] sha for GitHub repo Euphoric/EconomicSim: 01d71306fbc3e508eeb5f5be7ffadf80d30fc545
[INFO] validating manifest of Euphoric/EconomicSim 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 Euphoric/EconomicSim 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 Euphoric/EconomicSim
[INFO] finished frobbing Euphoric/EconomicSim
[INFO] frobbed toml for Euphoric/EconomicSim written to work/ex/beta-1.38-1/sources/1.37.0/gh/Euphoric/EconomicSim/Cargo.toml
[INFO] started frobbing Euphoric/EconomicSim
[INFO] finished frobbing Euphoric/EconomicSim
[INFO] frobbed toml for Euphoric/EconomicSim written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Euphoric/EconomicSim/Cargo.toml
[INFO] crate Euphoric/EconomicSim 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 Euphoric/EconomicSim 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Euphoric/EconomicSim:/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] 84442bd05065aa948a9dce334d517286741c94ba8e478a8096e8a65b9fa0e775
[INFO] running `"docker" "start" "-a" "84442bd05065aa948a9dce334d517286741c94ba8e478a8096e8a65b9fa0e775"`
[INFO] [stderr]    Compiling populations v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `wanted_resources` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:111:25
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 let mut wanted_resources = 0_f64;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_wanted_resources` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `wanted_gold` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let mut wanted_gold = 0_f64;
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_wanted_gold` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relative`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Relative {product : usize, ratio : f64},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `"docker" "inspect" "84442bd05065aa948a9dce334d517286741c94ba8e478a8096e8a65b9fa0e775"`
[INFO] running `"docker" "rm" "-f" "84442bd05065aa948a9dce334d517286741c94ba8e478a8096e8a65b9fa0e775"`
[INFO] [stdout] 84442bd05065aa948a9dce334d517286741c94ba8e478a8096e8a65b9fa0e775
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Euphoric/EconomicSim:/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] b47c3ebbe1335478ab395b77b108c1fbcab93f76becacf35814428c1941bacda
[INFO] running `"docker" "start" "-a" "b47c3ebbe1335478ab395b77b108c1fbcab93f76becacf35814428c1941bacda"`
[INFO] [stderr]    Compiling populations v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `wanted_resources` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:111:25
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 let mut wanted_resources = 0_f64;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_wanted_resources` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `wanted_gold` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let mut wanted_gold = 0_f64;
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_wanted_gold` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relative`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Relative {product : usize, ratio : f64},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "b47c3ebbe1335478ab395b77b108c1fbcab93f76becacf35814428c1941bacda"`
[INFO] running `"docker" "rm" "-f" "b47c3ebbe1335478ab395b77b108c1fbcab93f76becacf35814428c1941bacda"`
[INFO] [stdout] b47c3ebbe1335478ab395b77b108c1fbcab93f76becacf35814428c1941bacda
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Euphoric/EconomicSim:/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] a0d64e87e55b854a0d456eeca4e581fad781f2bdc15a45158ca412611fa42cf1
[INFO] running `"docker" "start" "-a" "a0d64e87e55b854a0d456eeca4e581fad781f2bdc15a45158ca412611fa42cf1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[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/populations-fe006e14952a3676
[INFO] running `"docker" "inspect" "a0d64e87e55b854a0d456eeca4e581fad781f2bdc15a45158ca412611fa42cf1"`
[INFO] running `"docker" "rm" "-f" "a0d64e87e55b854a0d456eeca4e581fad781f2bdc15a45158ca412611fa42cf1"`
[INFO] [stdout] a0d64e87e55b854a0d456eeca4e581fad781f2bdc15a45158ca412611fa42cf1