[INFO] updating cached repository https://github.com/tsathishkumar/MySController-rs
[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] 9d1beb77dcc7c880f067a2dc60ed1e1f0a4cbeaa
[INFO] checking tsathishkumar/MySController-rs against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsathishkumar%2FMySController-rs" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tsathishkumar/MySController-rs 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/tsathishkumar/MySController-rs
[INFO] finished tweaking git repo https://github.com/tsathishkumar/MySController-rs
[INFO] tweaked toml for git repo https://github.com/tsathishkumar/MySController-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/tsathishkumar/MySController-rs 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b63bb85d72058a87fac5db39a02b1d81a9cc7e8cb7b497a3c4bd9f4836055b99
[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" "b63bb85d72058a87fac5db39a02b1d81a9cc7e8cb7b497a3c4bd9f4836055b99"`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling ryu v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking linked-hash-map v0.5.2
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[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]     Checking rust-ini v0.10.3
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[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling nom v4.2.3
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[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling lock_api v0.3.1
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[INFO] [stderr]     Checking lru-cache v0.1.2
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[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
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[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling syn v0.11.11
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[INFO] [stderr]     Checking signal-hook-registry v1.1.1
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[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking toml v0.5.4
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[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
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[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling quote v1.0.2
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[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
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[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.2
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling diesel-derive-enum v0.4.4
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]    Compiling valico v2.4.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking serialport v2.3.0
[INFO] [stderr]     Checking libmdns v0.2.3
[INFO] [stderr] error[E0284]: type annotations needed: cannot resolve `<std::string::String as std::ops::Add<&_>>::Output == std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/valico-2.4.2/src/json_schema/helpers.rs:101:42
[INFO] [stderr]     |
[INFO] [stderr] 101 |                     Some("/".to_string() + fragment_parts[1..].join("/").as_ref())
[INFO] [stderr]     |                                          ^
[INFO] [stderr] 
[INFO] [stderr]     Checking tokio-openssl v0.2.1
[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 `valico`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b63bb85d72058a87fac5db39a02b1d81a9cc7e8cb7b497a3c4bd9f4836055b99"`
[INFO] running `"docker" "rm" "-f" "b63bb85d72058a87fac5db39a02b1d81a9cc7e8cb7b497a3c4bd9f4836055b99"`
[INFO] [stdout] b63bb85d72058a87fac5db39a02b1d81a9cc7e8cb7b497a3c4bd9f4836055b99