[INFO] cloning repository kevbot18/speed_primes
[INFO] running `"git" "clone" "--bare" "git://github.com/kevbot18/speed_primes.git" "work/cache/sources/gh/kevbot18/speed_primes"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kevbot18/speed_primes'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kevbot18/speed_primes" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kevbot18/speed_primes"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kevbot18/speed_primes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kevbot18/speed_primes" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kevbot18/speed_primes"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kevbot18/speed_primes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd2cb988f8dc983f5b2b714ec20bedc733db5380
[INFO] sha for GitHub repo kevbot18/speed_primes: bd2cb988f8dc983f5b2b714ec20bedc733db5380
[INFO] validating manifest of kevbot18/speed_primes 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 kevbot18/speed_primes 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 kevbot18/speed_primes
[INFO] finished frobbing kevbot18/speed_primes
[INFO] frobbed toml for kevbot18/speed_primes written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kevbot18/speed_primes/Cargo.toml
[INFO] started frobbing kevbot18/speed_primes
[INFO] finished frobbing kevbot18/speed_primes
[INFO] frobbed toml for kevbot18/speed_primes written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kevbot18/speed_primes/Cargo.toml
[INFO] crate kevbot18/speed_primes 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 kevbot18/speed_primes against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kevbot18/speed_primes:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 5518d10070749f82fbea117ce19c6959b50793a04f1e115baa69a2c7c755138b
[INFO] running `"docker" "start" "-a" "5518d10070749f82fbea117ce19c6959b50793a04f1e115baa69a2c7c755138b"`
[INFO] [stderr]    Compiling speed_primes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stderr]   --> src/main.rs:60:10
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let mut is_prime: Vec<u8> = Vec::with_capacity(elements as usize);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "5518d10070749f82fbea117ce19c6959b50793a04f1e115baa69a2c7c755138b"`
[INFO] running `"docker" "rm" "-f" "5518d10070749f82fbea117ce19c6959b50793a04f1e115baa69a2c7c755138b"`
[INFO] [stdout] 5518d10070749f82fbea117ce19c6959b50793a04f1e115baa69a2c7c755138b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kevbot18/speed_primes:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e4c0938b61949112d89a88ea40643c7cc0bba0cd515947af914b056a769ac960
[INFO] running `"docker" "start" "-a" "e4c0938b61949112d89a88ea40643c7cc0bba0cd515947af914b056a769ac960"`
[INFO] [stderr]    Compiling speed_primes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stderr]   --> src/main.rs:60:10
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let mut is_prime: Vec<u8> = Vec::with_capacity(elements as usize);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "e4c0938b61949112d89a88ea40643c7cc0bba0cd515947af914b056a769ac960"`
[INFO] running `"docker" "rm" "-f" "e4c0938b61949112d89a88ea40643c7cc0bba0cd515947af914b056a769ac960"`
[INFO] [stdout] e4c0938b61949112d89a88ea40643c7cc0bba0cd515947af914b056a769ac960
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kevbot18/speed_primes:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 377e1272247c549fc0e3d1ce6d275080850cf412aaf431c6090c60e97f7ba29c
[INFO] running `"docker" "start" "-a" "377e1272247c549fc0e3d1ce6d275080850cf412aaf431c6090c60e97f7ba29c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/speed_primes-5a185913092232a0
[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" "377e1272247c549fc0e3d1ce6d275080850cf412aaf431c6090c60e97f7ba29c"`
[INFO] running `"docker" "rm" "-f" "377e1272247c549fc0e3d1ce6d275080850cf412aaf431c6090c60e97f7ba29c"`
[INFO] [stdout] 377e1272247c549fc0e3d1ce6d275080850cf412aaf431c6090c60e97f7ba29c