[INFO] updating cached repository julienXX/toucan
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/julienXX/toucan
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/julienXX/toucan" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/julienXX/toucan"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/julienXX/toucan'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/julienXX/toucan" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/julienXX/toucan"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/julienXX/toucan'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 766aa80a6d9bdda997308a17dd9d771c6c49c1dc
[INFO] sha for GitHub repo julienXX/toucan: 766aa80a6d9bdda997308a17dd9d771c6c49c1dc
[INFO] validating manifest of julienXX/toucan on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of julienXX/toucan on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing julienXX/toucan
[INFO] finished frobbing julienXX/toucan
[INFO] frobbed toml for julienXX/toucan written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/julienXX/toucan/Cargo.toml
[INFO] started frobbing julienXX/toucan
[INFO] finished frobbing julienXX/toucan
[INFO] frobbed toml for julienXX/toucan written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/julienXX/toucan/Cargo.toml
[INFO] crate julienXX/toucan already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/julienXX/toucan/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking julienXX/toucan against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-5/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/julienXX/toucan:/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 83904022c4d8d7e37e6e6116d7c930d8707357db884bcd96de2a4ed4be33478f
[INFO] running `"docker" "start" "-a" "83904022c4d8d7e37e6e6116d7c930d8707357db884bcd96de2a4ed4be33478f"`
[INFO] [stderr]    Compiling hoedown v6.0.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking toucan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: the trait bound `Document: serde::ser::Serialize` is not satisfied
[INFO] [stderr]    --> src/main.rs:131:16
[INFO] [stderr]     |
[INFO] [stderr] 131 |     handlebars.render("template", document).unwrap()
[INFO] [stderr]     |                ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Document`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `rustc_serialize::json::Json: serde::ser::Serialize` is not satisfied
[INFO] [stderr]    --> src/main.rs:151:16
[INFO] [stderr]     |
[INFO] [stderr] 151 |     handlebars.render("template", documents).unwrap()
[INFO] [stderr]     |                ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `rustc_serialize::json::Json`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `serde::ser::Serialize` for `std::collections::BTreeMap<std::string::String, rustc_serialize::json::Json>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `toucan`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `Document: serde::ser::Serialize` is not satisfied
[INFO] [stderr]    --> src/main.rs:131:16
[INFO] [stderr]     |
[INFO] [stderr] 131 |     handlebars.render("template", document).unwrap()
[INFO] [stderr]     |                ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Document`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `rustc_serialize::json::Json: serde::ser::Serialize` is not satisfied
[INFO] [stderr]    --> src/main.rs:151:16
[INFO] [stderr]     |
[INFO] [stderr] 151 |     handlebars.render("template", documents).unwrap()
[INFO] [stderr]     |                ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `rustc_serialize::json::Json`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `serde::ser::Serialize` for `std::collections::BTreeMap<std::string::String, rustc_serialize::json::Json>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `toucan`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "83904022c4d8d7e37e6e6116d7c930d8707357db884bcd96de2a4ed4be33478f"`
[INFO] running `"docker" "rm" "-f" "83904022c4d8d7e37e6e6116d7c930d8707357db884bcd96de2a4ed4be33478f"`
[INFO] [stdout] 83904022c4d8d7e37e6e6116d7c930d8707357db884bcd96de2a4ed4be33478f