[INFO] fetching crate riker 0.4.0...
[INFO] checking riker-0.4.0 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate riker 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate riker 0.4.0 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate riker 0.4.0
[INFO] finished tweaking crates.io crate riker 0.4.0
[INFO] tweaked toml for crates.io crate riker 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 47747dca9c4f3a829875a3c1fdccffcd749e91cf7b7d1f499e1377ad2f7b8f14
[INFO] running `"docker" "start" "-a" "47747dca9c4f3a829875a3c1fdccffcd749e91cf7b7d1f499e1377ad2f7b8f14"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking riker-testkit v0.1.0
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling riker-macros v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking riker v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `"docker" "inspect" "47747dca9c4f3a829875a3c1fdccffcd749e91cf7b7d1f499e1377ad2f7b8f14"`
[INFO] running `"docker" "rm" "-f" "47747dca9c4f3a829875a3c1fdccffcd749e91cf7b7d1f499e1377ad2f7b8f14"`
[INFO] [stdout] 47747dca9c4f3a829875a3c1fdccffcd749e91cf7b7d1f499e1377ad2f7b8f14