[INFO] updating cached repository https://github.com/nsmryan/rgep
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/nsmryan/rgep
[INFO] [stderr]    d2a9a99..e675040  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e675040c41b68ba2e176940464edd987478fd08f
[INFO] testing nsmryan/rgep against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2Frgep" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsmryan/rgep on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nsmryan/rgep
[INFO] finished tweaking git repo https://github.com/nsmryan/rgep
[INFO] tweaked toml for git repo https://github.com/nsmryan/rgep written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nsmryan/rgep already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] bf92a216295631d779adf2cf09348b4b3826c9321f849f5dfac1127dfcc7fb25
[INFO] running `"docker" "start" "-a" "bf92a216295631d779adf2cf09348b4b3826c9321f849f5dfac1127dfcc7fb25"`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling im v12.3.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling statrs v0.10.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rgep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/crossover.rs:182:32
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let bit_mask = T::from_u32((2_u32.pow(bit_index.to_u32().unwrap()) - 1)).unwrap();
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main_expr`
[INFO] [stderr]    --> src/main.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn main_expr() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.26s
[INFO] running `"docker" "inspect" "bf92a216295631d779adf2cf09348b4b3826c9321f849f5dfac1127dfcc7fb25"`
[INFO] running `"docker" "rm" "-f" "bf92a216295631d779adf2cf09348b4b3826c9321f849f5dfac1127dfcc7fb25"`
[INFO] [stdout] bf92a216295631d779adf2cf09348b4b3826c9321f849f5dfac1127dfcc7fb25
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 11f11566cce9e95cde7b15e2897432afb2002d1c8a3bbca151d5924b059eef08
[INFO] running `"docker" "start" "-a" "11f11566cce9e95cde7b15e2897432afb2002d1c8a3bbca151d5924b059eef08"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling criterion-plot v0.3.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling tinytemplate v1.0.1
[INFO] [stderr]    Compiling criterion v0.2.8
[INFO] [stderr]    Compiling rgep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/crossover.rs:182:32
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let bit_mask = T::from_u32((2_u32.pow(bit_index.to_u32().unwrap()) - 1)).unwrap();
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rgep::*`
[INFO] [stderr]   --> src/point_mutation.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::rgep::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ga::*`
[INFO] [stderr]   --> src/point_mutation.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use crate::ga::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `float_cmp::*`
[INFO] [stderr]  --> src/rgep/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use float_cmp::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main_expr`
[INFO] [stderr]    --> src/main.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn main_expr() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.73s
[INFO] running `"docker" "inspect" "11f11566cce9e95cde7b15e2897432afb2002d1c8a3bbca151d5924b059eef08"`
[INFO] running `"docker" "rm" "-f" "11f11566cce9e95cde7b15e2897432afb2002d1c8a3bbca151d5924b059eef08"`
[INFO] [stdout] 11f11566cce9e95cde7b15e2897432afb2002d1c8a3bbca151d5924b059eef08
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 9de087063f7886587c2488a606291e2aad8cd6b84d5f55d6fd8c176fba2aa57a
[INFO] running `"docker" "start" "-a" "9de087063f7886587c2488a606291e2aad8cd6b84d5f55d6fd8c176fba2aa57a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rgep-7db217fc5a08f319
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test crossover::test_cross_at_point ... ok
[INFO] [stdout] test crossover::test_cross_word ... ok
[INFO] [stdout] test rgep::context::test_eval_simple_equation ... ok
[INFO] [stdout] test rgep::program::test_arity_simple_cases ... ok
[INFO] [stdout] test rotation::test_rotate_copy ... ok
[INFO] [stdout] test crossover::test_cross_at_points ... ok
[INFO] [stdout] test crossover::test_cross_at_points_naive ... ok
[INFO] [stdout] test rotation::test_rotate ... ok
[INFO] [stdout] test rgep::test_point_mutation_flips_bits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rgep-486012fd3733e8f1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_popcount ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rgep
[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" "9de087063f7886587c2488a606291e2aad8cd6b84d5f55d6fd8c176fba2aa57a"`
[INFO] running `"docker" "rm" "-f" "9de087063f7886587c2488a606291e2aad8cd6b84d5f55d6fd8c176fba2aa57a"`
[INFO] [stdout] 9de087063f7886587c2488a606291e2aad8cd6b84d5f55d6fd8c176fba2aa57a