[INFO] crate flowclib 0.8.2 is already in cache
[INFO] checking flowclib-0.8.2 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate flowclib 0.8.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flowclib 0.8.2 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flowclib 0.8.2
[INFO] finished tweaking crates.io crate flowclib 0.8.2
[INFO] tweaked toml for crates.io crate flowclib 0.8.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] f80992ab20c22f135bd4458464c6d9c32206535ef23438f9ec193d2a2d401e00
[INFO] running `"docker" "start" "-a" "f80992ab20c22f135bd4458464c6d9c32206535ef23438f9ec193d2a2d401e00"`
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking flow_impl v0.8.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking flowrlib v0.8.2
[INFO] [stderr]     Checking flowclib v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / error_chain! {
[INFO] [stderr] 41 | |     types {
[INFO] [stderr] 42 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 43 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / error_chain! {
[INFO] [stderr] 41 | |     types {
[INFO] [stderr] 42 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 43 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `"docker" "inspect" "f80992ab20c22f135bd4458464c6d9c32206535ef23438f9ec193d2a2d401e00"`
[INFO] running `"docker" "rm" "-f" "f80992ab20c22f135bd4458464c6d9c32206535ef23438f9ec193d2a2d401e00"`
[INFO] [stdout] f80992ab20c22f135bd4458464c6d9c32206535ef23438f9ec193d2a2d401e00