[INFO] cloning repository julienXX/toucan
[INFO] running `"git" "clone" "--bare" "git://github.com/julienXX/toucan.git" "work/cache/sources/gh/julienXX/toucan"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/julienXX/toucan'...
[INFO] running `"git" "clone" "work/cache/sources/gh/julienXX/toucan" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/julienXX/toucan"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/julienXX/toucan'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/julienXX/toucan" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/julienXX/toucan"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of julienXX/toucan on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing julienXX/toucan against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 96891f419be76c56d79e95b87e8bda5321d3505f1fce4e7822dc076eefef450e
[INFO] running `"docker" "start" "-a" "96891f419be76c56d79e95b87e8bda5321d3505f1fce4e7822dc076eefef450e"`
[INFO] [stderr]    Compiling hoedown v6.0.0
[INFO] [stderr]    Compiling handlebars v1.1.0
[INFO] [stderr]    Compiling 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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "96891f419be76c56d79e95b87e8bda5321d3505f1fce4e7822dc076eefef450e"`
[INFO] running `"docker" "rm" "-f" "96891f419be76c56d79e95b87e8bda5321d3505f1fce4e7822dc076eefef450e"`
[INFO] [stdout] 96891f419be76c56d79e95b87e8bda5321d3505f1fce4e7822dc076eefef450e