[INFO] fetching crate observer 0.2.1...
[INFO] checking observer-0.2.1 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate observer 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate observer 0.2.1 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate observer 0.2.1
[INFO] finished tweaking crates.io crate observer 0.2.1
[INFO] tweaked toml for crates.io crate observer 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded observer_attribute v0.1.6
[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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] a7be319208b2dd6d272e95d170ac088509f44473381777a14d8000bfcb501fda
[INFO] running `"docker" "start" "-a" "a7be319208b2dd6d272e95d170ac088509f44473381777a14d8000bfcb501fda"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.4
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking sqlparser v0.5.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking diesel v1.4.4
[INFO] [stderr]     Checking log4rs v0.9.0
[INFO] [stderr]    Compiling observer_attribute v0.1.6
[INFO] [stderr]     Checking r2d2-diesel v1.0.0
[INFO] [stderr]     Checking observer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 29s
[INFO] running `"docker" "inspect" "a7be319208b2dd6d272e95d170ac088509f44473381777a14d8000bfcb501fda"`
[INFO] running `"docker" "rm" "-f" "a7be319208b2dd6d272e95d170ac088509f44473381777a14d8000bfcb501fda"`
[INFO] [stdout] a7be319208b2dd6d272e95d170ac088509f44473381777a14d8000bfcb501fda