[INFO] updating cached repository kaibyao/tokio-postgres-tosql-multithread-issue
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kaibyao/tokio-postgres-tosql-multithread-issue
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kaibyao/tokio-postgres-tosql-multithread-issue" "work/ex/beta-1.38-1/sources/1.37.0/gh/kaibyao/tokio-postgres-tosql-multithread-issue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kaibyao/tokio-postgres-tosql-multithread-issue'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kaibyao/tokio-postgres-tosql-multithread-issue" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kaibyao/tokio-postgres-tosql-multithread-issue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kaibyao/tokio-postgres-tosql-multithread-issue'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae5e262554d3b65379c924e8daca2f6dcee3c235
[INFO] sha for GitHub repo kaibyao/tokio-postgres-tosql-multithread-issue: ae5e262554d3b65379c924e8daca2f6dcee3c235
[INFO] validating manifest of kaibyao/tokio-postgres-tosql-multithread-issue on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kaibyao/tokio-postgres-tosql-multithread-issue on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kaibyao/tokio-postgres-tosql-multithread-issue
[INFO] finished frobbing kaibyao/tokio-postgres-tosql-multithread-issue
[INFO] frobbed toml for kaibyao/tokio-postgres-tosql-multithread-issue written to work/ex/beta-1.38-1/sources/1.37.0/gh/kaibyao/tokio-postgres-tosql-multithread-issue/Cargo.toml
[INFO] started frobbing kaibyao/tokio-postgres-tosql-multithread-issue
[INFO] finished frobbing kaibyao/tokio-postgres-tosql-multithread-issue
[INFO] frobbed toml for kaibyao/tokio-postgres-tosql-multithread-issue written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kaibyao/tokio-postgres-tosql-multithread-issue/Cargo.toml
[INFO] crate kaibyao/tokio-postgres-tosql-multithread-issue already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kaibyao/tokio-postgres-tosql-multithread-issue against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kaibyao/tokio-postgres-tosql-multithread-issue:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b7b2814054717624511f7fb73a82172ac4ba26b5bbe4c4bdcbbf33bcc9e5beb0
[INFO] running `"docker" "start" "-a" "b7b2814054717624511f7fb73a82172ac4ba26b5bbe4c4bdcbbf33bcc9e5beb0"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling copyless v0.1.3
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling rent_to_own v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix-service v0.4.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.8
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling postgres-protocol v0.4.0 (https://github.com/kaibyao/rust-postgres.git#0160ad86)
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling actix-utils v0.4.1
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling actix-server-config v0.1.1
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling h2 v0.1.24
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling actix-threadpool v0.1.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling actix-rt v0.2.2
[INFO] [stderr]    Compiling trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling actix-server v0.5.1
[INFO] [stderr]    Compiling derive_state_machine_future v0.2.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling state_machine_future v0.2.0
[INFO] [stderr]    Compiling tokio-postgres v0.4.0-rc.2 (https://github.com/kaibyao/rust-postgres.git#0160ad86)
[INFO] [stderr]    Compiling actix-connect v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling actix-router v0.1.5
[INFO] [stderr]    Compiling actix-http v0.2.4
[INFO] [stderr]    Compiling awc v0.2.1
[INFO] [stderr]    Compiling actix v0.8.3
[INFO] [stderr]    Compiling actix-web v1.0.2
[INFO] [stderr]    Compiling rust-tosql-multithread v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `rust-tosql-multithread`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b7b2814054717624511f7fb73a82172ac4ba26b5bbe4c4bdcbbf33bcc9e5beb0"`
[INFO] running `"docker" "rm" "-f" "b7b2814054717624511f7fb73a82172ac4ba26b5bbe4c4bdcbbf33bcc9e5beb0"`
[INFO] [stdout] b7b2814054717624511f7fb73a82172ac4ba26b5bbe4c4bdcbbf33bcc9e5beb0