[INFO] fetching crate tower-lsp 0.6.0...
[INFO] checking tower-lsp-0.6.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate tower-lsp 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tower-lsp 0.6.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tower-lsp 0.6.0
[INFO] finished tweaking crates.io crate tower-lsp 0.6.0
[INFO] tweaked toml for crates.io crate tower-lsp 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate tower-lsp 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 2e2b6ed75fd10e67f7343fdb82ad75619f4c9107c1cb6f38ea93ebe2e9c9783d
[INFO] running `"docker" "start" "-a" "2e2b6ed75fd10e67f7343fdb82ad75619f4c9107c1cb6f38ea93ebe2e9c9783d"`
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]    Compiling lexical-core v0.4.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking nom v5.0.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]     Checking jsonrpc-core v14.0.5
[INFO] [stderr]     Checking lsp-types v0.68.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling jsonrpc-derive v14.0.5
[INFO] [stderr]     Checking tower-lsp v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `"docker" "inspect" "2e2b6ed75fd10e67f7343fdb82ad75619f4c9107c1cb6f38ea93ebe2e9c9783d"`
[INFO] running `"docker" "rm" "-f" "2e2b6ed75fd10e67f7343fdb82ad75619f4c9107c1cb6f38ea93ebe2e9c9783d"`
[INFO] [stdout] 2e2b6ed75fd10e67f7343fdb82ad75619f4c9107c1cb6f38ea93ebe2e9c9783d