[INFO] cloning repository lewisgcm/polymer
[INFO] running `"git" "clone" "--bare" "git://github.com/lewisgcm/polymer.git" "work/cache/sources/gh/lewisgcm/polymer"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lewisgcm/polymer'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lewisgcm/polymer" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lewisgcm/polymer"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lewisgcm/polymer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lewisgcm/polymer" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lewisgcm/polymer"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lewisgcm/polymer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ecaeabad41bc1d80f691758220618391af32d238
[INFO] sha for GitHub repo lewisgcm/polymer: ecaeabad41bc1d80f691758220618391af32d238
[INFO] validating manifest of lewisgcm/polymer 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 lewisgcm/polymer 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 lewisgcm/polymer
[INFO] finished frobbing lewisgcm/polymer
[INFO] frobbed toml for lewisgcm/polymer written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lewisgcm/polymer/Cargo.toml
[INFO] started frobbing lewisgcm/polymer
[INFO] finished frobbing lewisgcm/polymer
[INFO] frobbed toml for lewisgcm/polymer written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lewisgcm/polymer/Cargo.toml
[INFO] crate lewisgcm/polymer 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 lewisgcm/polymer against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lewisgcm/polymer:/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] 086c2ad0028ac01bb545b99cf07517a5287fe27356b76a6143f9cb63c81b6c83
[INFO] running `"docker" "start" "-a" "086c2ad0028ac01bb545b99cf07517a5287fe27356b76a6143f9cb63c81b6c83"`
[INFO] [stderr] warning: unused manifest key: dependencies.openssl.feature
[INFO] [stderr]    Compiling polymer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut last_hash = last_block.hash();
[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: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(int_to_from_bytes)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "086c2ad0028ac01bb545b99cf07517a5287fe27356b76a6143f9cb63c81b6c83"`
[INFO] running `"docker" "rm" "-f" "086c2ad0028ac01bb545b99cf07517a5287fe27356b76a6143f9cb63c81b6c83"`
[INFO] [stdout] 086c2ad0028ac01bb545b99cf07517a5287fe27356b76a6143f9cb63c81b6c83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lewisgcm/polymer:/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] f34ac1e1b8663af20062b632f74a93d8f8b7ba2e67c82f2ce1e30f41b7d29899
[INFO] running `"docker" "start" "-a" "f34ac1e1b8663af20062b632f74a93d8f8b7ba2e67c82f2ce1e30f41b7d29899"`
[INFO] [stderr] warning: unused manifest key: dependencies.openssl.feature
[INFO] [stderr]    Compiling polymer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut last_hash = last_block.hash();
[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: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(int_to_from_bytes)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "f34ac1e1b8663af20062b632f74a93d8f8b7ba2e67c82f2ce1e30f41b7d29899"`
[INFO] running `"docker" "rm" "-f" "f34ac1e1b8663af20062b632f74a93d8f8b7ba2e67c82f2ce1e30f41b7d29899"`
[INFO] [stdout] f34ac1e1b8663af20062b632f74a93d8f8b7ba2e67c82f2ce1e30f41b7d29899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lewisgcm/polymer:/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] 9e5dca4b9a7c6e18502478179cb2b9b29f7a19281f857b3b40e8018bc909f693
[INFO] running `"docker" "start" "-a" "9e5dca4b9a7c6e18502478179cb2b9b29f7a19281f857b3b40e8018bc909f693"`
[INFO] [stderr] warning: unused manifest key: dependencies.openssl.feature
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polymer-9a020ee29264b296
[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]      Running /opt/crater/target/debug/deps/blockchain-85fda76936652396
[INFO] [stderr]      Running /opt/crater/target/debug/deps/block_tests-7085b2dcc44e5361
[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 1 test
[INFO] [stdout] test tests::test_block_to_bytes ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blockchain_tests-60d6a5d21a28e27f
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_chain_correct_multi_value_false ... ok
[INFO] [stdout] test tests::test_chain_correct_multi_true ... ok
[INFO] [stdout] test tests::test_chain_correct_single_timestamp_false ... ok
[INFO] [stdout] test tests::test_chain_correct_multi_first_false ... ok
[INFO] [stdout] test tests::test_chain_correct_multi_timestamp_false ... ok
[INFO] [stdout] test tests::test_chain_correct_single_true ... ok
[INFO] [stdout] test tests::test_chain_correct_single_value_false ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hashable_tests-1af33dfda9f7eb32
[INFO] [stderr]    Doc-tests polymer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "9e5dca4b9a7c6e18502478179cb2b9b29f7a19281f857b3b40e8018bc909f693"`
[INFO] running `"docker" "rm" "-f" "9e5dca4b9a7c6e18502478179cb2b9b29f7a19281f857b3b40e8018bc909f693"`
[INFO] [stdout] 9e5dca4b9a7c6e18502478179cb2b9b29f7a19281f857b3b40e8018bc909f693