[INFO] crate symbolic-sourcemap 5.7.2 is already in cache
[INFO] extracting crate symbolic-sourcemap 5.7.2 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/symbolic-sourcemap/5.7.2
[INFO] extracting crate symbolic-sourcemap 5.7.2 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/symbolic-sourcemap/5.7.2
[INFO] validating manifest of symbolic-sourcemap-5.7.2 on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of symbolic-sourcemap-5.7.2 on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing symbolic-sourcemap-5.7.2
[INFO] finished frobbing symbolic-sourcemap-5.7.2
[INFO] frobbed toml for symbolic-sourcemap-5.7.2 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/symbolic-sourcemap/5.7.2/Cargo.toml
[INFO] started frobbing symbolic-sourcemap-5.7.2
[INFO] finished frobbing symbolic-sourcemap-5.7.2
[INFO] frobbed toml for symbolic-sourcemap-5.7.2 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/symbolic-sourcemap/5.7.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbolic-common v5.7.7
[INFO] [stderr]     Blocking waiting for file lock on symbolic-common-5.7.7.crate
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking symbolic-sourcemap-5.7.2 against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-3/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/symbolic-sourcemap/5.7.2:/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" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f0adc8ac5860f75011aafe01cc0739199e57d51cfc067f340717dc97fde5b623
[INFO] running `"docker" "start" "-a" "f0adc8ac5860f75011aafe01cc0739199e57d51cfc067f340717dc97fde5b623"`
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling sourcemap v2.2.1
[INFO] [stderr]     Checking debugid v0.3.1
[INFO] [stderr]     Checking symbolic-common v5.7.7
[INFO] [stderr]     Checking symbolic-sourcemap v5.7.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `"docker" "inspect" "f0adc8ac5860f75011aafe01cc0739199e57d51cfc067f340717dc97fde5b623"`
[INFO] running `"docker" "rm" "-f" "f0adc8ac5860f75011aafe01cc0739199e57d51cfc067f340717dc97fde5b623"`
[INFO] [stdout] f0adc8ac5860f75011aafe01cc0739199e57d51cfc067f340717dc97fde5b623