[INFO] updating cached repository wellbehavedsoftware/btrfs-dedupe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wellbehavedsoftware/btrfs-dedupe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wellbehavedsoftware/btrfs-dedupe" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/wellbehavedsoftware/btrfs-dedupe"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/wellbehavedsoftware/btrfs-dedupe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wellbehavedsoftware/btrfs-dedupe" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/wellbehavedsoftware/btrfs-dedupe"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/wellbehavedsoftware/btrfs-dedupe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf8d1a82fee2ff8635d00865acc1033707957c9e
[INFO] sha for GitHub repo wellbehavedsoftware/btrfs-dedupe: bf8d1a82fee2ff8635d00865acc1033707957c9e
[INFO] validating manifest of wellbehavedsoftware/btrfs-dedupe on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wellbehavedsoftware/btrfs-dedupe on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wellbehavedsoftware/btrfs-dedupe
[INFO] finished frobbing wellbehavedsoftware/btrfs-dedupe
[INFO] frobbed toml for wellbehavedsoftware/btrfs-dedupe written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/wellbehavedsoftware/btrfs-dedupe/Cargo.toml
[INFO] started frobbing wellbehavedsoftware/btrfs-dedupe
[INFO] finished frobbing wellbehavedsoftware/btrfs-dedupe
[INFO] frobbed toml for wellbehavedsoftware/btrfs-dedupe written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/wellbehavedsoftware/btrfs-dedupe/Cargo.toml
[INFO] crate wellbehavedsoftware/btrfs-dedupe already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wellbehavedsoftware/btrfs-dedupe against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/wellbehavedsoftware/btrfs-dedupe:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 64d0ad1f0004bcbe84cbcfc9bff2bbd29379de5b4e5c14f2f55b4f8346ffe66e
[INFO] running `"docker" "start" "-a" "64d0ad1f0004bcbe84cbcfc9bff2bbd29379de5b4e5c14f2f55b4f8346ffe66e"`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling typenum v1.5.1
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking byte-tools v0.1.2
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]    Compiling syntex_pos v0.52.0
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking termion v1.1.4
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking ioctl v0.3.3
[INFO] [stderr]    Compiling syn v0.10.6
[INFO] [stderr]     Checking nodrop v0.1.8
[INFO] [stderr]     Checking minilzo v0.1.0
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr] error: missing fragment specifier
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.20.0/src/macros.rs:621:41
[INFO] [stderr]     |
[INFO] [stderr] 621 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stderr]     |                                         ^
[INFO] [stderr] 
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking output v0.4.1
[INFO] [stderr]    Compiling syntex_errors v0.52.0
[INFO] [stderr]     Checking generic-array v0.6.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking digest v0.4.0
[INFO] [stderr]     Checking digest-buffer v0.2.0
[INFO] [stderr]    Compiling syntex_syntax v0.52.0
[INFO] [stderr]     Checking sha2 v0.4.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `clap`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0423]: expected function, found struct `ast::Name`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.52.0/src/symbol.rs:146:27
[INFO] [stderr]     |
[INFO] [stderr] 146 |                       name: ast::Name($index),
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 165 | / declare_keywords! {
[INFO] [stderr] 166 | |     // Invalid identifier
[INFO] [stderr] 167 | |     (0,  Invalid,        "")
[INFO] [stderr] 168 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 228 | |     (55, Union,          "union")
[INFO] [stderr] 229 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0423`.
[INFO] [stderr] error: Could not compile `syntex_syntax`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "64d0ad1f0004bcbe84cbcfc9bff2bbd29379de5b4e5c14f2f55b4f8346ffe66e"`
[INFO] running `"docker" "rm" "-f" "64d0ad1f0004bcbe84cbcfc9bff2bbd29379de5b4e5c14f2f55b4f8346ffe66e"`
[INFO] [stdout] 64d0ad1f0004bcbe84cbcfc9bff2bbd29379de5b4e5c14f2f55b4f8346ffe66e