[INFO] crate websocket-lite 0.3.2-alpha.6 is already in cache
[INFO] checking websocket-lite-0.3.2-alpha.6 against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] extracting crate websocket-lite 0.3.2-alpha.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate websocket-lite 0.3.2-alpha.6 on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate websocket-lite 0.3.2-alpha.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate websocket-lite 0.3.2-alpha.6
[INFO] tweaked toml for crates.io crate websocket-lite 0.3.2-alpha.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate websocket-lite 0.3.2-alpha.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "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] c2bfe87bf4e10484a7ef4c581af4dfa809948ed54ef64a5780fd8ea94fa28bec
[INFO] running `"docker" "start" "-a" "c2bfe87bf4e10484a7ef4c581af4dfa809948ed54ef64a5780fd8ea94fa28bec"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking unicode-normalization v0.1.10
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking openssl v0.10.25
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking structopt v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking websocket-codec v0.2.2-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking websocket-lite v0.3.2-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.86s
[INFO] running `"docker" "inspect" "c2bfe87bf4e10484a7ef4c581af4dfa809948ed54ef64a5780fd8ea94fa28bec"`
[INFO] running `"docker" "rm" "-f" "c2bfe87bf4e10484a7ef4c581af4dfa809948ed54ef64a5780fd8ea94fa28bec"`
[INFO] [stdout] c2bfe87bf4e10484a7ef4c581af4dfa809948ed54ef64a5780fd8ea94fa28bec