[INFO] updating cached repository https://github.com/lambdastackio/tokio-http2
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fad8751ada3568d8cf4890d6f39ab3ee7d7c7301
[INFO] checking lambdastackio/tokio-http2 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdastackio%2Ftokio-http2" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambdastackio/tokio-http2 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lambdastackio/tokio-http2
[INFO] finished tweaking git repo https://github.com/lambdastackio/tokio-http2
[INFO] tweaked toml for git repo https://github.com/lambdastackio/tokio-http2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/lambdastackio/tokio-http2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] aab172d6e069abfcc731372d7aa0572773ce3e0a918cbe72c0b54ae5ee8dcaf0
[INFO] running `"docker" "start" "-a" "aab172d6e069abfcc731372d7aa0572773ce3e0a918cbe72c0b54ae5ee8dcaf0"`
[INFO] [stderr]     Checking slog v1.4.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling openssl v0.9.6
[INFO] [stderr]     Checking serde v0.8.22
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking safemem v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking spmc v0.2.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking futures v0.1.8
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.4.0/src/ser.rs:228:6
[INFO] [stderr]     |
[INFO] [stderr] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stderr]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `core::fmt::Arguments<'static>`, the trait `core::marker::Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stderr]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stderr]     = note: required because it appears within the type `core::fmt::ArgumentV1<'static>`
[INFO] [stderr]     = note: required because it appears within the type `[core::fmt::ArgumentV1<'static>]`
[INFO] [stderr]     = note: required because it appears within the type `&'static [core::fmt::ArgumentV1<'static>]`
[INFO] [stderr]     = note: required because it appears within the type `core::fmt::Arguments<'static>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `slog`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "aab172d6e069abfcc731372d7aa0572773ce3e0a918cbe72c0b54ae5ee8dcaf0"`
[INFO] running `"docker" "rm" "-f" "aab172d6e069abfcc731372d7aa0572773ce3e0a918cbe72c0b54ae5ee8dcaf0"`
[INFO] [stdout] aab172d6e069abfcc731372d7aa0572773ce3e0a918cbe72c0b54ae5ee8dcaf0
