[INFO] crate serde_json_experimental 1.0.29-rc1 is already in cache
[INFO] extracting crate serde_json_experimental 1.0.29-rc1 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/serde_json_experimental/1.0.29-rc1
[INFO] extracting crate serde_json_experimental 1.0.29-rc1 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/serde_json_experimental/1.0.29-rc1
[INFO] validating manifest of serde_json_experimental-1.0.29-rc1 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_json_experimental-1.0.29-rc1 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_json_experimental-1.0.29-rc1
[INFO] finished frobbing serde_json_experimental-1.0.29-rc1
[INFO] frobbed toml for serde_json_experimental-1.0.29-rc1 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/serde_json_experimental/1.0.29-rc1/Cargo.toml
[INFO] started frobbing serde_json_experimental-1.0.29-rc1
[INFO] finished frobbing serde_json_experimental-1.0.29-rc1
[INFO] frobbed toml for serde_json_experimental-1.0.29-rc1 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/serde_json_experimental/1.0.29-rc1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking serde_json_experimental-1.0.29-rc1 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/serde_json_experimental/1.0.29-rc1:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c676d1a5a9723a387d0369cd28cf9fcf804b05a7efcfce5943a4f8b469b0568c
[INFO] running `"docker" "start" "-a" "c676d1a5a9723a387d0369cd28cf9fcf804b05a7efcfce5943a4f8b469b0568c"`
[INFO] [stderr]    Compiling compiletest_rs v0.3.22
[INFO] [stderr]     Checking serde_json_experimental v1.0.29-rc1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `"docker" "inspect" "c676d1a5a9723a387d0369cd28cf9fcf804b05a7efcfce5943a4f8b469b0568c"`
[INFO] running `"docker" "rm" "-f" "c676d1a5a9723a387d0369cd28cf9fcf804b05a7efcfce5943a4f8b469b0568c"`
[INFO] [stdout] c676d1a5a9723a387d0369cd28cf9fcf804b05a7efcfce5943a4f8b469b0568c