[INFO] updating cached repository Enet4/pandoc-ac
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Enet4/pandoc-ac
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Enet4/pandoc-ac" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Enet4/pandoc-ac"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Enet4/pandoc-ac'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Enet4/pandoc-ac" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Enet4/pandoc-ac"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Enet4/pandoc-ac'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56a3957fc2e8f79dee78c4301ed7028a4c51728c
[INFO] sha for GitHub repo Enet4/pandoc-ac: 56a3957fc2e8f79dee78c4301ed7028a4c51728c
[INFO] validating manifest of Enet4/pandoc-ac on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Enet4/pandoc-ac on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Enet4/pandoc-ac
[INFO] finished frobbing Enet4/pandoc-ac
[INFO] frobbed toml for Enet4/pandoc-ac written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Enet4/pandoc-ac/Cargo.toml
[INFO] started frobbing Enet4/pandoc-ac
[INFO] finished frobbing Enet4/pandoc-ac
[INFO] frobbed toml for Enet4/pandoc-ac written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Enet4/pandoc-ac/Cargo.toml
[INFO] crate Enet4/pandoc-ac already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking Enet4/pandoc-ac against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Enet4/pandoc-ac:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 76c247f264f9b10774588e64884b96bd475b84e311f9af853a8c5e81cdabaed8
[INFO] running `"docker" "start" "-a" "76c247f264f9b10774588e64884b96bd475b84e311f9af853a8c5e81cdabaed8"`
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking pandoc_ast v0.7.2
[INFO] [stderr]     Checking pandoc-ac v0.2.1-alpha.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking pandoc v0.7.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `"docker" "inspect" "76c247f264f9b10774588e64884b96bd475b84e311f9af853a8c5e81cdabaed8"`
[INFO] running `"docker" "rm" "-f" "76c247f264f9b10774588e64884b96bd475b84e311f9af853a8c5e81cdabaed8"`
[INFO] [stdout] 76c247f264f9b10774588e64884b96bd475b84e311f9af853a8c5e81cdabaed8