[INFO] cloning repository scottwillmoore/rust-primer
[INFO] running `"git" "clone" "--bare" "git://github.com/scottwillmoore/rust-primer.git" "work/cache/sources/gh/scottwillmoore/rust-primer"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/scottwillmoore/rust-primer'...
[INFO] running `"git" "clone" "work/cache/sources/gh/scottwillmoore/rust-primer" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scottwillmoore/rust-primer"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scottwillmoore/rust-primer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottwillmoore/rust-primer" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scottwillmoore/rust-primer"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scottwillmoore/rust-primer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3987f1a197201a58362beba79573dd2edd187748
[INFO] sha for GitHub repo scottwillmoore/rust-primer: 3987f1a197201a58362beba79573dd2edd187748
[INFO] validating manifest of scottwillmoore/rust-primer 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 scottwillmoore/rust-primer 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 scottwillmoore/rust-primer
[INFO] finished frobbing scottwillmoore/rust-primer
[INFO] frobbed toml for scottwillmoore/rust-primer written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scottwillmoore/rust-primer/Cargo.toml
[INFO] started frobbing scottwillmoore/rust-primer
[INFO] finished frobbing scottwillmoore/rust-primer
[INFO] frobbed toml for scottwillmoore/rust-primer written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scottwillmoore/rust-primer/Cargo.toml
[INFO] crate scottwillmoore/rust-primer 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 scottwillmoore/rust-primer against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scottwillmoore/rust-primer:/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] de3de49e0c9ccd8988286e1dbb2c5ad43a1deb07bb906f8d198525cc62d916e7
[INFO] running `"docker" "start" "-a" "de3de49e0c9ccd8988286e1dbb2c5ad43a1deb07bb906f8d198525cc62d916e7"`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling primer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = usize> + 'a> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(iterator_step_by)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.77s
[INFO] running `"docker" "inspect" "de3de49e0c9ccd8988286e1dbb2c5ad43a1deb07bb906f8d198525cc62d916e7"`
[INFO] running `"docker" "rm" "-f" "de3de49e0c9ccd8988286e1dbb2c5ad43a1deb07bb906f8d198525cc62d916e7"`
[INFO] [stdout] de3de49e0c9ccd8988286e1dbb2c5ad43a1deb07bb906f8d198525cc62d916e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scottwillmoore/rust-primer:/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] bb2c0adf92f44346b726bd44fb6d9f1ea5c274608789939b04100e81ca040c7f
[INFO] running `"docker" "start" "-a" "bb2c0adf92f44346b726bd44fb6d9f1ea5c274608789939b04100e81ca040c7f"`
[INFO] [stderr]    Compiling primer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = usize> + 'a> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(iterator_step_by)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "bb2c0adf92f44346b726bd44fb6d9f1ea5c274608789939b04100e81ca040c7f"`
[INFO] running `"docker" "rm" "-f" "bb2c0adf92f44346b726bd44fb6d9f1ea5c274608789939b04100e81ca040c7f"`
[INFO] [stdout] bb2c0adf92f44346b726bd44fb6d9f1ea5c274608789939b04100e81ca040c7f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scottwillmoore/rust-primer:/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] 1b84c9f3471173a8c59632335a8e24868d8a31a067c1201da6c72a605489b2dd
[INFO] running `"docker" "start" "-a" "1b84c9f3471173a8c59632335a8e24868d8a31a067c1201da6c72a605489b2dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/primer-b07bc320721d5151
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::first_ten_composites ... ok
[INFO] [stdout] test tests::first_ten_primes ... ok
[INFO] [stdout] test tests::assorted_large_primes ... ok
[INFO] [stdout] test tests::assorted_large_composites ... ok
[INFO] [stdout] test tests::sum_primes_under_two_million ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/primer-9641cd61c8ecc89a
[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 primer
[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" "1b84c9f3471173a8c59632335a8e24868d8a31a067c1201da6c72a605489b2dd"`
[INFO] running `"docker" "rm" "-f" "1b84c9f3471173a8c59632335a8e24868d8a31a067c1201da6c72a605489b2dd"`
[INFO] [stdout] 1b84c9f3471173a8c59632335a8e24868d8a31a067c1201da6c72a605489b2dd