[INFO] updating cached repository ifydev/Zircon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ifydev/Zircon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ifydev/Zircon" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/ifydev/Zircon"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/ifydev/Zircon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ifydev/Zircon" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/ifydev/Zircon"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/ifydev/Zircon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f84b42876e943e9d5eccba77b8e1d69fd7ef7e8
[INFO] sha for GitHub repo ifydev/Zircon: 5f84b42876e943e9d5eccba77b8e1d69fd7ef7e8
[INFO] validating manifest of ifydev/Zircon on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ifydev/Zircon on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ifydev/Zircon
[INFO] finished frobbing ifydev/Zircon
[INFO] frobbed toml for ifydev/Zircon written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/ifydev/Zircon/Cargo.toml
[INFO] started frobbing ifydev/Zircon
[INFO] finished frobbing ifydev/Zircon
[INFO] frobbed toml for ifydev/Zircon written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/ifydev/Zircon/Cargo.toml
[INFO] crate ifydev/Zircon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ifydev/Zircon against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-3/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/ifydev/Zircon:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 53e1dc14f7cb8de0f6419146044e2acb94118eac09d74303b06af42ad4e8166e
[INFO] running `"docker" "start" "-a" "53e1dc14f7cb8de0f6419146044e2acb94118eac09d74303b06af42ad4e8166e"`
[INFO] [stderr]     Checking zircon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `,`, `=`, or `}`, found `/// 0x08`
[INFO] [stderr]   --> src/protocol/packet.rs:55:2
[INFO] [stderr]    |
[INFO] [stderr] 54 |     OfflineConnectionRequest2(u8, i64, String, i16, i8)
[INFO] [stderr]    |                                                        - expected one of `,`, `=`, or `}` here
[INFO] [stderr] 55 |     /// 0x08
[INFO] [stderr]    |     ^^^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `,`, `=`, or `}`, found `/// 0x08`
[INFO] [stderr]   --> src/protocol/packet.rs:55:2
[INFO] [stderr]    |
[INFO] [stderr] 54 |     OfflineConnectionRequest2(u8, i64, String, i16, i8)
[INFO] [stderr]    |                                                        - expected one of `,`, `=`, or `}` here
[INFO] [stderr] 55 |     /// 0x08
[INFO] [stderr]    |     ^^^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `zircon`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `zircon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "53e1dc14f7cb8de0f6419146044e2acb94118eac09d74303b06af42ad4e8166e"`
[INFO] running `"docker" "rm" "-f" "53e1dc14f7cb8de0f6419146044e2acb94118eac09d74303b06af42ad4e8166e"`
[INFO] [stdout] 53e1dc14f7cb8de0f6419146044e2acb94118eac09d74303b06af42ad4e8166e