[INFO] crate pearl 0.1.0 is already in cache
[INFO] checking pearl-0.1.0 against try#662bf71cc5bbfe44a109ab5b7205e12ec319754c for pr-67531
[INFO] extracting crate pearl 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pearl 0.1.0 on toolchain 662bf71cc5bbfe44a109ab5b7205e12ec319754c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pearl 0.1.0
[INFO] finished tweaking crates.io crate pearl 0.1.0
[INFO] tweaked toml for crates.io crate pearl 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate pearl 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "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] 5460dc7aee970819097fa3f63dfa5e67fe20d276efb17d4bf8ac969d8737bc98
[INFO] running `"docker" "start" "-a" "5460dc7aee970819097fa3f63dfa5e67fe20d276efb17d4bf8ac969d8737bc98"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.7
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.5
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking pearl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.82s
[INFO] running `"docker" "inspect" "5460dc7aee970819097fa3f63dfa5e67fe20d276efb17d4bf8ac969d8737bc98"`
[INFO] running `"docker" "rm" "-f" "5460dc7aee970819097fa3f63dfa5e67fe20d276efb17d4bf8ac969d8737bc98"`
[INFO] [stdout] 5460dc7aee970819097fa3f63dfa5e67fe20d276efb17d4bf8ac969d8737bc98