[INFO] crate observer 0.2.1 is already in cache
[INFO] checking observer-0.2.1 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate observer 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate observer 0.2.1 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] b8d5b2a07cffd6c852ebe5ef2538774a038059bab584b23bc44c4f3d9f9dab7e
[INFO] running `"docker" "start" "-a" "b8d5b2a07cffd6c852ebe5ef2538774a038059bab584b23bc44c4f3d9f9dab7e"`
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking sqlparser v0.5.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking log4rs v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking diesel v1.4.4
[INFO] [stderr]    Compiling darling 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 1m 01s
[INFO] running `"docker" "inspect" "b8d5b2a07cffd6c852ebe5ef2538774a038059bab584b23bc44c4f3d9f9dab7e"`
[INFO] running `"docker" "rm" "-f" "b8d5b2a07cffd6c852ebe5ef2538774a038059bab584b23bc44c4f3d9f9dab7e"`
[INFO] [stdout] b8d5b2a07cffd6c852ebe5ef2538774a038059bab584b23bc44c4f3d9f9dab7e