[INFO] updating cached repository https://github.com/julienXX/toucan
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 766aa80a6d9bdda997308a17dd9d771c6c49c1dc
[INFO] checking julienXX/toucan against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjulienXX%2Ftoucan" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/julienXX/toucan on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/julienXX/toucan
[INFO] finished tweaking git repo https://github.com/julienXX/toucan
[INFO] tweaked toml for git repo https://github.com/julienXX/toucan written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/julienXX/toucan already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b544a1198359e53147246736aad123d3b5a413c3e3f4cf50f21fdfd3f5d997d
[INFO] running `"docker" "start" "-a" "3b544a1198359e53147246736aad123d3b5a413c3e3f4cf50f21fdfd3f5d997d"`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling hoedown v6.0.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking toucan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `Document: serde::ser::Serialize` is not satisfied
[INFO] [stderr]    --> src/main.rs:131:35
[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:151:35
[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[E0277]: the trait bound `Document: serde::ser::Serialize` is not satisfied
[INFO] [stderr]    --> src/main.rs:131:35
[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:151:35
[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: could not compile `toucan`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "3b544a1198359e53147246736aad123d3b5a413c3e3f4cf50f21fdfd3f5d997d"`
[INFO] running `"docker" "rm" "-f" "3b544a1198359e53147246736aad123d3b5a413c3e3f4cf50f21fdfd3f5d997d"`
[INFO] [stdout] 3b544a1198359e53147246736aad123d3b5a413c3e3f4cf50f21fdfd3f5d997d
