[INFO] updating cached repository https://github.com/lumasepa/j2_render
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 479e3c5129d9fdaf14a1a47c25a75aa76b30d92a
[INFO] testing lumasepa/j2_render against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumasepa%2Fj2_render" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lumasepa/j2_render on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lumasepa/j2_render
[INFO] finished tweaking git repo https://github.com/lumasepa/j2_render
[INFO] tweaked toml for git repo https://github.com/lumasepa/j2_render written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lumasepa/j2_render already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7e0111aab20a9f2d64fe2775f8b3c515e503ccb9323f686ac0c8d7ec25a8bd20
[INFO] running `"docker" "start" "-a" "7e0111aab20a9f2d64fe2775f8b3c515e503ccb9323f686ac0c8d7ec25a8bd20"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling molysite v0.1.0 (https://github.com/evq/molysite#49fceec9)
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling tera v0.11.20
[INFO] [stderr]    Compiling j2_render v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(or_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `j2_render`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7e0111aab20a9f2d64fe2775f8b3c515e503ccb9323f686ac0c8d7ec25a8bd20"`
[INFO] running `"docker" "rm" "-f" "7e0111aab20a9f2d64fe2775f8b3c515e503ccb9323f686ac0c8d7ec25a8bd20"`
[INFO] [stdout] 7e0111aab20a9f2d64fe2775f8b3c515e503ccb9323f686ac0c8d7ec25a8bd20