[INFO] cloning repository juanibiapina/collatz-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/juanibiapina/collatz-rs.git" "work/cache/sources/gh/juanibiapina/collatz-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/juanibiapina/collatz-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/juanibiapina/collatz-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/juanibiapina/collatz-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/juanibiapina/collatz-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/juanibiapina/collatz-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/juanibiapina/collatz-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/juanibiapina/collatz-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3cf388bca8db8abbe02bc0f726dad0a6e9397605
[INFO] sha for GitHub repo juanibiapina/collatz-rs: 3cf388bca8db8abbe02bc0f726dad0a6e9397605
[INFO] validating manifest of juanibiapina/collatz-rs 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 juanibiapina/collatz-rs 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 juanibiapina/collatz-rs
[INFO] finished frobbing juanibiapina/collatz-rs
[INFO] frobbed toml for juanibiapina/collatz-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/juanibiapina/collatz-rs/Cargo.toml
[INFO] started frobbing juanibiapina/collatz-rs
[INFO] finished frobbing juanibiapina/collatz-rs
[INFO] frobbed toml for juanibiapina/collatz-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/juanibiapina/collatz-rs/Cargo.toml
[INFO] crate juanibiapina/collatz-rs 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 juanibiapina/collatz-rs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/juanibiapina/collatz-rs:/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] 0074aab98c562b7a82e3f3dea0acc61b3f9fd1442b3a209a7a5b7bbd72ab7321
[INFO] running `"docker" "start" "-a" "0074aab98c562b7a82e3f3dea0acc61b3f9fd1442b3a209a7a5b7bbd72ab7321"`
[INFO] [stderr]    Compiling collatz-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "0074aab98c562b7a82e3f3dea0acc61b3f9fd1442b3a209a7a5b7bbd72ab7321"`
[INFO] running `"docker" "rm" "-f" "0074aab98c562b7a82e3f3dea0acc61b3f9fd1442b3a209a7a5b7bbd72ab7321"`
[INFO] [stdout] 0074aab98c562b7a82e3f3dea0acc61b3f9fd1442b3a209a7a5b7bbd72ab7321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/juanibiapina/collatz-rs:/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] c9b0441dadebb09f158ef428fffcec1689b5f4926940d8b0463fb10040fccd4e
[INFO] running `"docker" "start" "-a" "c9b0441dadebb09f158ef428fffcec1689b5f4926940d8b0463fb10040fccd4e"`
[INFO] [stderr]    Compiling collatz-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "c9b0441dadebb09f158ef428fffcec1689b5f4926940d8b0463fb10040fccd4e"`
[INFO] running `"docker" "rm" "-f" "c9b0441dadebb09f158ef428fffcec1689b5f4926940d8b0463fb10040fccd4e"`
[INFO] [stdout] c9b0441dadebb09f158ef428fffcec1689b5f4926940d8b0463fb10040fccd4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/juanibiapina/collatz-rs:/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] ada066efddb3382a566e2a5780c71e6550001b520aa0e90a82be646c6f85c696
[INFO] running `"docker" "start" "-a" "ada066efddb3382a566e2a5780c71e6550001b520aa0e90a82be646c6f85c696"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collatz_rs-6635cfcfd550819d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_heilstone_sequence_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ada066efddb3382a566e2a5780c71e6550001b520aa0e90a82be646c6f85c696"`
[INFO] running `"docker" "rm" "-f" "ada066efddb3382a566e2a5780c71e6550001b520aa0e90a82be646c6f85c696"`
[INFO] [stdout] ada066efddb3382a566e2a5780c71e6550001b520aa0e90a82be646c6f85c696