[INFO] updating cached repository https://github.com/jstzwj/gitcube
[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] 132ff105dcf262993f4ffe12807adef1d57e1e35
[INFO] checking jstzwj/gitcube against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstzwj%2Fgitcube" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jstzwj/gitcube on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jstzwj/gitcube
[INFO] finished tweaking git repo https://github.com/jstzwj/gitcube
[INFO] tweaked toml for git repo https://github.com/jstzwj/gitcube written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jstzwj/gitcube already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2b7c5ab40a237664e290a5679f7c2e1b6d95bf39aa0ed43a7c3b27b430489d40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2b7c5ab40a237664e290a5679f7c2e1b6d95bf39aa0ed43a7c3b27b430489d40"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]     Checking askama_escape v0.1.0
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling actix-web v0.7.14
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]     Checking fern v0.5.7
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking checked v0.5.0
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.5
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking regex v1.0.6
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking mysql_common v0.9.2
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking mysql v14.1.1
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr] error[E0284]: type annotations needed: cannot resolve `<std::string::String as std::ops::Add<&_>>::Output == _`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tera-0.11.20/src/renderer/processor.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     + post_var_as_str.as_ref()
[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 E0284`.
[INFO] [stderr] error: could not compile `tera`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2b7c5ab40a237664e290a5679f7c2e1b6d95bf39aa0ed43a7c3b27b430489d40"`
[INFO] running `"docker" "rm" "-f" "2b7c5ab40a237664e290a5679f7c2e1b6d95bf39aa0ed43a7c3b27b430489d40"`
[INFO] [stdout] 2b7c5ab40a237664e290a5679f7c2e1b6d95bf39aa0ed43a7c3b27b430489d40