[INFO] crate corepack 0.4.0 is already in cache
[INFO] extracting crate corepack 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/corepack/0.4.0
[INFO] extracting crate corepack 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/corepack/0.4.0
[INFO] validating manifest of corepack-0.4.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of corepack-0.4.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/corepack/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing corepack-0.4.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 03590bb3fb60527195988523b29b8a79be20c50e3f4381f2f230899b21353a55
[INFO] running `"docker" "start" "-a" "03590bb3fb60527195988523b29b8a79be20c50e3f4381f2f230899b21353a55"`
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling corepack v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `"docker" "inspect" "03590bb3fb60527195988523b29b8a79be20c50e3f4381f2f230899b21353a55"`
[INFO] running `"docker" "rm" "-f" "03590bb3fb60527195988523b29b8a79be20c50e3f4381f2f230899b21353a55"`
[INFO] [stdout] 03590bb3fb60527195988523b29b8a79be20c50e3f4381f2f230899b21353a55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a6742f52510fcbace24ba00833a46e7a37a35dbba5b4f3695adee9290c7c2f6e
[INFO] running `"docker" "start" "-a" "a6742f52510fcbace24ba00833a46e7a37a35dbba5b4f3695adee9290c7c2f6e"`
[INFO] [stderr]    Compiling corepack v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `"docker" "inspect" "a6742f52510fcbace24ba00833a46e7a37a35dbba5b4f3695adee9290c7c2f6e"`
[INFO] running `"docker" "rm" "-f" "a6742f52510fcbace24ba00833a46e7a37a35dbba5b4f3695adee9290c7c2f6e"`
[INFO] [stdout] a6742f52510fcbace24ba00833a46e7a37a35dbba5b4f3695adee9290c7c2f6e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] df5c390050670f47945164c08a9a3158c226959323a38de0989fd25829d5a46d
[INFO] running `"docker" "start" "-a" "df5c390050670f47945164c08a9a3158c226959323a38de0989fd25829d5a46d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/corepack-08b7bc2027fac875
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test de::test::str8_test ... ok
[INFO] [stdout] test de::test::f64_test ... ok
[INFO] [stdout] test de::test::fixarr_test ... ok
[INFO] [stdout] test de::test::negative_fixint_test ... ok
[INFO] [stdout] test de::test::positive_fixint_test ... ok
[INFO] [stdout] test ser::test::fixmap_test ... ok
[INFO] [stdout] test ser::test::array16_test ... ok
[INFO] [stdout] test ser::test::fixarr_test ... ok
[INFO] [stdout] test de::test::uint8_test ... ok
[INFO] [stdout] test de::test::fixmap_test ... ok
[INFO] [stdout] test ser::test::fixstr_test ... ok
[INFO] [stdout] test ser::test::positive_fixint_test ... ok
[INFO] [stdout] test ser::test::str8_test ... ok
[INFO] [stdout] test ser::test::negative_fixint_test ... ok
[INFO] [stdout] test de::test::fixstr_test ... ok
[INFO] [stdout] test ser::test::uint8_test ... ok
[INFO] [stdout] test test::test_byte_array ... ok
[INFO] [stdout] test de::test::array16_test ... ok
[INFO] [stdout] test test::test_char ... ok
[INFO] [stdout] test test::test_enum ... ok
[INFO] [stdout] test test::test_enum_newtype ... ok
[INFO] [stdout] test test::test_float32 ... ok
[INFO] [stdout] test test::test_enum_tuple ... ok
[INFO] [stdout] test test::test_option ... ok
[INFO] [stdout] test test::test_false ... ok
[INFO] [stdout] test test::test_enum_struct ... ok
[INFO] [stdout] test test::test_float ... ok
[INFO] [stdout] test test::test_option_none ... ok
[INFO] [stdout] test test::test_str ... ok
[INFO] [stdout] test test::test_unit_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" "df5c390050670f47945164c08a9a3158c226959323a38de0989fd25829d5a46d"`
[INFO] running `"docker" "rm" "-f" "df5c390050670f47945164c08a9a3158c226959323a38de0989fd25829d5a46d"`
[INFO] [stdout] df5c390050670f47945164c08a9a3158c226959323a38de0989fd25829d5a46d