[INFO] cloning repository margarita-v/optimization_methods_development
[INFO] running `"git" "clone" "--bare" "git://github.com/margarita-v/optimization_methods_development.git" "work/cache/sources/gh/margarita-v/optimization_methods_development"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/margarita-v/optimization_methods_development'...
[INFO] running `"git" "clone" "work/cache/sources/gh/margarita-v/optimization_methods_development" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/margarita-v/optimization_methods_development"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/margarita-v/optimization_methods_development'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/margarita-v/optimization_methods_development" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/margarita-v/optimization_methods_development"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/margarita-v/optimization_methods_development'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ffb3b35f434c06725c6cf4ed885b736b10bcb1b
[INFO] sha for GitHub repo margarita-v/optimization_methods_development: 1ffb3b35f434c06725c6cf4ed885b736b10bcb1b
[INFO] validating manifest of margarita-v/optimization_methods_development on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of margarita-v/optimization_methods_development on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing margarita-v/optimization_methods_development
[INFO] finished frobbing margarita-v/optimization_methods_development
[INFO] frobbed toml for margarita-v/optimization_methods_development written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/margarita-v/optimization_methods_development/Cargo.toml
[INFO] started frobbing margarita-v/optimization_methods_development
[INFO] finished frobbing margarita-v/optimization_methods_development
[INFO] frobbed toml for margarita-v/optimization_methods_development written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/margarita-v/optimization_methods_development/Cargo.toml
[INFO] crate margarita-v/optimization_methods_development already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing margarita-v/optimization_methods_development against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/margarita-v/optimization_methods_development:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 10581f86e45ab297cee3ae039c199ac71a92445481e49702f1c3ed2d254d0309
[INFO] running `"docker" "start" "-a" "10581f86e45ab297cee3ae039c199ac71a92445481e49702f1c3ed2d254d0309"`
[INFO] [stderr]    Compiling optimization_methods_development v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/methods/segment_division.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     f:         &Fn(f64) -> f64
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/methods/golden_section.rs:11:55
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn golden_section(_a: f64, _b: f64, eps: f64, f: &Fn(f64) -> f64) -> f64 {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 let mut result : f64;
[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 1.71s
[INFO] running `"docker" "inspect" "10581f86e45ab297cee3ae039c199ac71a92445481e49702f1c3ed2d254d0309"`
[INFO] running `"docker" "rm" "-f" "10581f86e45ab297cee3ae039c199ac71a92445481e49702f1c3ed2d254d0309"`
[INFO] [stdout] 10581f86e45ab297cee3ae039c199ac71a92445481e49702f1c3ed2d254d0309
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/margarita-v/optimization_methods_development:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9eb9d3c316446dc58b1f06f23564f21cbb865f4ce17a3fc8fa2d67a0cf34cd30
[INFO] running `"docker" "start" "-a" "9eb9d3c316446dc58b1f06f23564f21cbb865f4ce17a3fc8fa2d67a0cf34cd30"`
[INFO] [stderr]    Compiling optimization_methods_development v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 let mut result : f64;
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/methods/segment_division.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     f:         &Fn(f64) -> f64
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/methods/golden_section.rs:11:55
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn golden_section(_a: f64, _b: f64, eps: f64, f: &Fn(f64) -> f64) -> f64 {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "9eb9d3c316446dc58b1f06f23564f21cbb865f4ce17a3fc8fa2d67a0cf34cd30"`
[INFO] running `"docker" "rm" "-f" "9eb9d3c316446dc58b1f06f23564f21cbb865f4ce17a3fc8fa2d67a0cf34cd30"`
[INFO] [stdout] 9eb9d3c316446dc58b1f06f23564f21cbb865f4ce17a3fc8fa2d67a0cf34cd30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/margarita-v/optimization_methods_development:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 5851f0851fdd79964b05cc3828ae6b199551e7628a2561860a11552815afcf6b
[INFO] running `"docker" "start" "-a" "5851f0851fdd79964b05cc3828ae6b199551e7628a2561860a11552815afcf6b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/optimization_methods_development-dba5994864412281
[INFO] [stderr]      Running /opt/crater/target/debug/deps/optimization_methods_development-556c86d41353bbc1
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optimization_methods_development
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_segment_division ... ok
[INFO] [stdout] test test::test_golden_section ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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] [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" "5851f0851fdd79964b05cc3828ae6b199551e7628a2561860a11552815afcf6b"`
[INFO] running `"docker" "rm" "-f" "5851f0851fdd79964b05cc3828ae6b199551e7628a2561860a11552815afcf6b"`
[INFO] [stdout] 5851f0851fdd79964b05cc3828ae6b199551e7628a2561860a11552815afcf6b