[INFO] crate amadeus-serde 0.1.6 is already in cache
[INFO] checking amadeus-serde-0.1.6 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate amadeus-serde 0.1.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate amadeus-serde 0.1.6 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate amadeus-serde 0.1.6
[INFO] finished tweaking crates.io crate amadeus-serde 0.1.6
[INFO] tweaked toml for crates.io crate amadeus-serde 0.1.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 095550d3ab641da020f1f8bff0938d7e5fb5878a8d3c910f676a10802f2a8e16
[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" "095550d3ab641da020f1f8bff0938d7e5fb5878a8d3c910f676a10802f2a8e16"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking replace_with v0.1.5
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_closure_derive v0.2.11
[INFO] [stderr]    Compiling delegate v0.4.2
[INFO] [stderr]     Checking owned_chars v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking streaming_algorithms v0.1.1
[INFO] [stderr]     Checking serde_closure v0.2.11
[INFO] [stderr]     Checking sum v0.1.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking serde_bytes v0.11.4
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking amadeus-core v0.1.6
[INFO] [stderr] error: attributes are not yet allowed on `if` expressions
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/amadeus-core-0.1.6/src/dist_iter.rs:168:24
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 pool.spawn(FnOnce!(move || -> <R1 as ReducerA>::Output {
[INFO] [stderr]     |                                    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `amadeus-core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "095550d3ab641da020f1f8bff0938d7e5fb5878a8d3c910f676a10802f2a8e16"`
[INFO] running `"docker" "rm" "-f" "095550d3ab641da020f1f8bff0938d7e5fb5878a8d3c910f676a10802f2a8e16"`
[INFO] [stdout] 095550d3ab641da020f1f8bff0938d7e5fb5878a8d3c910f676a10802f2a8e16