[INFO] updating cached repository https://github.com/rust-lang-nursery/crater
[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] [stderr] From https://github.com/rust-lang-nursery/crater
[INFO] [stderr]    e53154f..a1930d2  auto       -> auto
[INFO] [stderr]    e53154f..a1930d2  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1930d2acd71382b66ce68d9e45ce57f350fae1a
[INFO] checking rust-lang-nursery/crater against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fcrater" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/crater 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/rust-lang-nursery/crater
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/crater
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/crater written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/crater 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5df1e7d5533a091d064a611562b092fc5c93dc02d0ffcbae662f72e08577fc99
[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" "5df1e7d5533a091d064a611562b092fc5c93dc02d0ffcbae662f72e08577fc99"`
[INFO] [stderr]     Checking arc-swap v0.3.4
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling rustwide v0.3.1
[INFO] [stderr]     Checking macro-utils v0.1.2
[INFO] [stderr]    Compiling crater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.13
[INFO] [stderr]    Compiling libsqlite3-sys v0.10.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling rusoto_core v0.35.0
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking signal-hook v0.1.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking tar v0.4.17
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking flate2 v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking sha-1 v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-signal v0.2.6
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking minifier v0.0.20
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking prometheus v0.7.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking tokio-process v0.2.3
[INFO] [stderr]     Checking headers-core v0.0.1
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.1
[INFO] [stderr]    Compiling headers-derive v0.0.1
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]     Checking headers-ext v0.0.3
[INFO] [stderr]    Compiling paste-impl v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking paste v0.1.3
[INFO] [stderr]     Checking serde v1.0.98
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking serde_regex v0.3.1
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking rust_team_data v1.0.0 (https://github.com/rust-lang/team#8d8902d7)
[INFO] [stderr]     Checking rusqlite v0.15.0
[INFO] [stderr]     Checking chrono-humanize v0.0.11
[INFO] [stderr]     Checking systemstat v0.1.4
[INFO] [stderr]     Checking tera v0.11.19
[INFO] [stderr]     Checking assert_cmd v0.10.1
[INFO] [stderr]     Checking r2d2_sqlite v0.7.0
[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-0.11.19/src/renderer/processor.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     + post_var_as_str.as_ref()
[INFO] [stderr]    |                     ^
[INFO] [stderr] 
[INFO] [stderr]     Checking hyper v0.12.13
[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" "5df1e7d5533a091d064a611562b092fc5c93dc02d0ffcbae662f72e08577fc99"`
[INFO] running `"docker" "rm" "-f" "5df1e7d5533a091d064a611562b092fc5c93dc02d0ffcbae662f72e08577fc99"`
[INFO] [stdout] 5df1e7d5533a091d064a611562b092fc5c93dc02d0ffcbae662f72e08577fc99