[INFO] crate ref-cast-impl 0.2.4 is already in cache
[INFO] extracting crate ref-cast-impl 0.2.4 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/ref-cast-impl/0.2.4
[INFO] extracting crate ref-cast-impl 0.2.4 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ref-cast-impl/0.2.4
[INFO] validating manifest of ref-cast-impl-0.2.4 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ref-cast-impl-0.2.4 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ref-cast-impl-0.2.4
[INFO] finished frobbing ref-cast-impl-0.2.4
[INFO] frobbed toml for ref-cast-impl-0.2.4 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/ref-cast-impl/0.2.4/Cargo.toml
[INFO] started frobbing ref-cast-impl-0.2.4
[INFO] finished frobbing ref-cast-impl-0.2.4
[INFO] frobbed toml for ref-cast-impl-0.2.4 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ref-cast-impl/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ref-cast-impl-0.2.4 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ref-cast-impl/0.2.4:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 1257214ec9873a4201324a092da90a32724fe55a4f686eadb1945f5fe094ef8b
[INFO] running `"docker" "start" "-a" "1257214ec9873a4201324a092da90a32724fe55a4f686eadb1945f5fe094ef8b"`
[INFO] [stderr]    Compiling ref-cast-impl v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "1257214ec9873a4201324a092da90a32724fe55a4f686eadb1945f5fe094ef8b"`
[INFO] running `"docker" "rm" "-f" "1257214ec9873a4201324a092da90a32724fe55a4f686eadb1945f5fe094ef8b"`
[INFO] [stdout] 1257214ec9873a4201324a092da90a32724fe55a4f686eadb1945f5fe094ef8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ref-cast-impl/0.2.4:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a194c56d331c2c3979a717f59d89d7486023c1e361910155252276cdbf33bde
[INFO] running `"docker" "start" "-a" "2a194c56d331c2c3979a717f59d89d7486023c1e361910155252276cdbf33bde"`
[INFO] [stderr]    Compiling ref-cast-impl v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "2a194c56d331c2c3979a717f59d89d7486023c1e361910155252276cdbf33bde"`
[INFO] running `"docker" "rm" "-f" "2a194c56d331c2c3979a717f59d89d7486023c1e361910155252276cdbf33bde"`
[INFO] [stdout] 2a194c56d331c2c3979a717f59d89d7486023c1e361910155252276cdbf33bde
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ref-cast-impl/0.2.4:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] c054877a1aabf9aeae9a42c5e499ad6cd4ae36aba8761126da261c236fe84aff
[INFO] running `"docker" "start" "-a" "c054877a1aabf9aeae9a42c5e499ad6cd4ae36aba8761126da261c236fe84aff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ref_cast_impl-2d813db3bb68bbf0
[INFO] [stderr]    Doc-tests ref_cast_impl
[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 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" "c054877a1aabf9aeae9a42c5e499ad6cd4ae36aba8761126da261c236fe84aff"`
[INFO] running `"docker" "rm" "-f" "c054877a1aabf9aeae9a42c5e499ad6cd4ae36aba8761126da261c236fe84aff"`
[INFO] [stdout] c054877a1aabf9aeae9a42c5e499ad6cd4ae36aba8761126da261c236fe84aff