[INFO] fetching crate quiche 0.1.0...
[INFO] checking quiche-0.1.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate quiche 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate quiche 0.1.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate quiche 0.1.0
[INFO] finished tweaking crates.io crate quiche 0.1.0
[INFO] tweaked toml for crates.io crate quiche 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate quiche 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17459f4203446bc109b2cbac807a4fee0ae38ebbdeb05374e6bc93735280ce01
[INFO] running `"docker" "start" "-a" "17459f4203446bc109b2cbac807a4fee0ae38ebbdeb05374e6bc93735280ce01"`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quiche v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr] error[E0596]: cannot borrow `h3_config` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> benches/benches.rs:99:65
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let h3_config = quiche::h3::Config::new().unwrap();
[INFO] [stderr]    |         --------- help: consider changing this to be mutable: `mut h3_config`
[INFO] [stderr] ...
[INFO] [stderr] 99 |         quiche::h3::testing::Session::with_configs(&mut config, &mut h3_config)
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `quiche`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "17459f4203446bc109b2cbac807a4fee0ae38ebbdeb05374e6bc93735280ce01"`
[INFO] running `"docker" "rm" "-f" "17459f4203446bc109b2cbac807a4fee0ae38ebbdeb05374e6bc93735280ce01"`
[INFO] [stdout] 17459f4203446bc109b2cbac807a4fee0ae38ebbdeb05374e6bc93735280ce01