[INFO] cloning repository Bert-Proesmans/syn-issue [INFO] running `"git" "clone" "--bare" "git://github.com/Bert-Proesmans/syn-issue.git" "work/cache/sources/gh/Bert-Proesmans/syn-issue"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Bert-Proesmans/syn-issue'... [INFO] running `"git" "clone" "work/cache/sources/gh/Bert-Proesmans/syn-issue" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Bert-Proesmans/syn-issue"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Bert-Proesmans/syn-issue'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Bert-Proesmans/syn-issue" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Bert-Proesmans/syn-issue"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Bert-Proesmans/syn-issue'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e72b592c0128d8be110cafafa2aee637c056fea2 [INFO] sha for GitHub repo Bert-Proesmans/syn-issue: e72b592c0128d8be110cafafa2aee637c056fea2 [INFO] validating manifest of Bert-Proesmans/syn-issue on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Bert-Proesmans/syn-issue on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Bert-Proesmans/syn-issue [INFO] removed path dependency proc_macro from Bert-Proesmans/syn-issue [INFO] finished frobbing Bert-Proesmans/syn-issue [INFO] frobbed toml for Bert-Proesmans/syn-issue written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Bert-Proesmans/syn-issue/Cargo.toml [INFO] started frobbing Bert-Proesmans/syn-issue [INFO] removed path dependency proc_macro from Bert-Proesmans/syn-issue [INFO] finished frobbing Bert-Proesmans/syn-issue [INFO] frobbed toml for Bert-Proesmans/syn-issue written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/Bert-Proesmans/syn-issue/Cargo.toml [INFO] crate Bert-Proesmans/syn-issue already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: no matching package named `proc_macro` found [INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index` [INFO] [stderr] required by package `syn_issue v0.1.0 (/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/Bert-Proesmans/syn-issue)` [ERROR] this task or one of its parent failed! [ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed