[INFO] fetching crate xpring 0.0.10...
[INFO] checking xpring-0.0.10 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate xpring 0.0.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xpring 0.0.10 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xpring 0.0.10
[INFO] finished tweaking crates.io crate xpring 0.0.10
[INFO] tweaked toml for crates.io crate xpring 0.0.10 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate xpring 0.0.10 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 64a36157acdbc09f0abf96ecd62a21d26a57a0b0f5ec3be54b9f6859d1f4958b
[INFO] running `"docker" "start" "-a" "64a36157acdbc09f0abf96ecd62a21d26a57a0b0f5ec3be54b9f6859d1f4958b"`
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling mockall_derive v0.7.0
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking tracing-futures v0.2.3
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking mockall v0.7.0
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]    Compiling xpring v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tonic v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `"docker" "inspect" "64a36157acdbc09f0abf96ecd62a21d26a57a0b0f5ec3be54b9f6859d1f4958b"`
[INFO] running `"docker" "rm" "-f" "64a36157acdbc09f0abf96ecd62a21d26a57a0b0f5ec3be54b9f6859d1f4958b"`
[INFO] [stdout] 64a36157acdbc09f0abf96ecd62a21d26a57a0b0f5ec3be54b9f6859d1f4958b