[INFO] updating cached repository brettmcintosh/spellcheck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brettmcintosh/spellcheck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brettmcintosh/spellcheck" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/brettmcintosh/spellcheck"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/brettmcintosh/spellcheck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brettmcintosh/spellcheck" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/brettmcintosh/spellcheck"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/brettmcintosh/spellcheck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3ca69bbe441a84e1b5bd828bed9afd658a4e4ff
[INFO] sha for GitHub repo brettmcintosh/spellcheck: d3ca69bbe441a84e1b5bd828bed9afd658a4e4ff
[INFO] validating manifest of brettmcintosh/spellcheck 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 brettmcintosh/spellcheck 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 brettmcintosh/spellcheck
[INFO] finished frobbing brettmcintosh/spellcheck
[INFO] frobbed toml for brettmcintosh/spellcheck written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/brettmcintosh/spellcheck/Cargo.toml
[INFO] started frobbing brettmcintosh/spellcheck
[INFO] finished frobbing brettmcintosh/spellcheck
[INFO] frobbed toml for brettmcintosh/spellcheck written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/brettmcintosh/spellcheck/Cargo.toml
[INFO] crate brettmcintosh/spellcheck 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking brettmcintosh/spellcheck against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/brettmcintosh/spellcheck:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4a739c73c59fa53eb2593571f7484e1dae6884873a3e2145e707ebf3cf20e746
[INFO] running `"docker" "start" "-a" "4a739c73c59fa53eb2593571f7484e1dae6884873a3e2145e707ebf3cf20e746"`
[INFO] [stderr]     Checking trie v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::From<&_>`
[INFO] [stderr]   --> src/data_structures.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |                         let mut child_prefix = String::from(prefix.as_ref());
[INFO] [stderr]    |                                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `trie`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::From<&_>`
[INFO] [stderr]   --> src/data_structures.rs:51:48
[INFO] [stderr]    |
[INFO] [stderr] 51 |                         let mut child_prefix = String::from(prefix.as_ref());
[INFO] [stderr]    |                                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `trie`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4a739c73c59fa53eb2593571f7484e1dae6884873a3e2145e707ebf3cf20e746"`
[INFO] running `"docker" "rm" "-f" "4a739c73c59fa53eb2593571f7484e1dae6884873a3e2145e707ebf3cf20e746"`
[INFO] [stdout] 4a739c73c59fa53eb2593571f7484e1dae6884873a3e2145e707ebf3cf20e746