[INFO] fetching crate corepack 0.4.0...
[INFO] extracting crate corepack 0.4.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/corepack/0.4.0
[INFO] extracting crate corepack 0.4.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/corepack/0.4.0
[INFO] validating manifest of corepack-0.4.0 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 corepack-0.4.0 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 corepack-0.4.0
[INFO] finished frobbing corepack-0.4.0
[INFO] frobbed toml for corepack-0.4.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/corepack/0.4.0/Cargo.toml
[INFO] started frobbing corepack-0.4.0
[INFO] finished frobbing corepack-0.4.0
[INFO] frobbed toml for corepack-0.4.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/corepack/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing corepack-0.4.0 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/reg/corepack/0.4.0:/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] 8599ee4ffc529b449d632de57b22c6d51b4a56f6ac5180ae7cfa37a15a46c516
[INFO] running `"docker" "start" "-a" "8599ee4ffc529b449d632de57b22c6d51b4a56f6ac5180ae7cfa37a15a46c516"`
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling corepack v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:71:32
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "8599ee4ffc529b449d632de57b22c6d51b4a56f6ac5180ae7cfa37a15a46c516"`
[INFO] running `"docker" "rm" "-f" "8599ee4ffc529b449d632de57b22c6d51b4a56f6ac5180ae7cfa37a15a46c516"`
[INFO] [stdout] 8599ee4ffc529b449d632de57b22c6d51b4a56f6ac5180ae7cfa37a15a46c516
[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/reg/corepack/0.4.0:/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] 2b975e4fb40021b3c3502f36b78958a4c38825da0fd7af907d17195cb4c6def8
[INFO] running `"docker" "start" "-a" "2b975e4fb40021b3c3502f36b78958a4c38825da0fd7af907d17195cb4c6def8"`
[INFO] [stderr]    Compiling corepack v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:71:32
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `"docker" "inspect" "2b975e4fb40021b3c3502f36b78958a4c38825da0fd7af907d17195cb4c6def8"`
[INFO] running `"docker" "rm" "-f" "2b975e4fb40021b3c3502f36b78958a4c38825da0fd7af907d17195cb4c6def8"`
[INFO] [stdout] 2b975e4fb40021b3c3502f36b78958a4c38825da0fd7af907d17195cb4c6def8
[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/reg/corepack/0.4.0:/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] 4d40fe34fa41540582aea1b799c6d19dd52d3d577b6268830256d4434dfaf325
[INFO] running `"docker" "start" "-a" "4d40fe34fa41540582aea1b799c6d19dd52d3d577b6268830256d4434dfaf325"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/corepack-313fe73a1d21cde1
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test de::test::f64_test ... ok
[INFO] [stdout] test de::test::array16_test ... ok
[INFO] [stdout] test de::test::negative_fixint_test ... ok
[INFO] [stdout] test de::test::positive_fixint_test ... ok
[INFO] [stdout] test de::test::str8_test ... ok
[INFO] [stdout] test de::test::fixarr_test ... ok
[INFO] [stdout] test de::test::fixstr_test ... ok
[INFO] [stdout] test de::test::fixmap_test ... ok
[INFO] [stdout] test ser::test::str8_test ... ok
[INFO] [stdout] test ser::test::fixmap_test ... ok
[INFO] [stdout] test ser::test::fixstr_test ... ok
[INFO] [stdout] test ser::test::fixarr_test ... ok
[INFO] [stdout] test ser::test::array16_test ... ok
[INFO] [stdout] test de::test::uint8_test ... ok
[INFO] [stdout] test ser::test::positive_fixint_test ... ok
[INFO] [stdout] test ser::test::negative_fixint_test ... ok
[INFO] [stdout] test test::test_char ... ok
[INFO] [stdout] test test::test_enum ... ok
[INFO] [stdout] test test::test_false ... ok
[INFO] [stdout] test test::test_enum_newtype ... ok
[INFO] [stdout] test test::test_enum_struct ... ok
[INFO] [stdout] test test::test_enum_tuple ... ok
[INFO] [stdout] test test::test_float32 ... ok
[INFO] [stdout] test test::test_str ... ok
[INFO] [stdout] test test::test_unit_option ... ok
[INFO] [stdout] test test::test_option_none ... ok
[INFO] [stdout] test test::test_float ... ok
[INFO] [stdout] test ser::test::uint8_test ... ok
[INFO] [stdout] test test::test_byte_array ... ok
[INFO] [stdout] test test::test_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests corepack
[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" "4d40fe34fa41540582aea1b799c6d19dd52d3d577b6268830256d4434dfaf325"`
[INFO] running `"docker" "rm" "-f" "4d40fe34fa41540582aea1b799c6d19dd52d3d577b6268830256d4434dfaf325"`
[INFO] [stdout] 4d40fe34fa41540582aea1b799c6d19dd52d3d577b6268830256d4434dfaf325