[INFO] cloning repository https://github.com/smores56/grease_api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smores56/grease_api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmores56%2Fgrease_api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmores56%2Fgrease_api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34c3d42934cb5946cf71c4b872774e32ee6b2abd
[INFO] testing smores56/grease_api against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmores56%2Fgrease_api" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smores56/grease_api on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smores56/grease_api
[INFO] finished tweaking git repo https://github.com/smores56/grease_api
[INFO] tweaked toml for git repo https://github.com/smores56/grease_api written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/smores56/grease_api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: patch for the non root package will be ignored, specify patch at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-11/source/grease/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-11/source/Cargo.toml
[INFO] [stderr] warning: /workspace/builds/worker-11/source/tools/admin_tools/Cargo.toml: unused manifest key: target.x86_64-unknown-linux-musl.linker
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7770f22fe785d09131b5c1eaae5ba962de8a9c08f63b0efcaf0de80aab4191a0
[INFO] running `Command { std: "docker" "start" "-a" "7770f22fe785d09131b5c1eaae5ba962de8a9c08f63b0efcaf0de80aab4191a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7770f22fe785d09131b5c1eaae5ba962de8a9c08f63b0efcaf0de80aab4191a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7770f22fe785d09131b5c1eaae5ba962de8a9c08f63b0efcaf0de80aab4191a0", kill_on_drop: false }`
[INFO] [stdout] 7770f22fe785d09131b5c1eaae5ba962de8a9c08f63b0efcaf0de80aab4191a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d84558cd219396404983700ddf81ba47aa5ad58d2be210b6636b1fc30610e93f
[INFO] running `Command { std: "docker" "start" "-a" "d84558cd219396404983700ddf81ba47aa5ad58d2be210b6636b1fc30610e93f", kill_on_drop: false }`
[INFO] [stderr] warning: patch for the non root package will be ignored, specify patch at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/grease/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: /opt/rustwide/workdir/tools/admin_tools/Cargo.toml: unused manifest key: target.x86_64-unknown-linux-musl.linker
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling mysql v16.1.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling lexical-core v0.4.8
[INFO] [stderr]    Compiling lexical v2.2.4
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling atoi v0.2.4
[INFO] [stderr]    Compiling checked v0.5.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling diesel-derive-enum v0.4.4
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling blowfish v0.4.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling bcrypt v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling cgi v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling dotenv v0.14.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling zip v0.5.9
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rust_decimal v1.14.1
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling icalendar v0.8.0
[INFO] [stderr]    Compiling mysql_common v0.18.1
[INFO] [stderr]    Compiling mysql_common v0.12.0
[INFO] [stderr]    Compiling diesel v1.4.5
[INFO] [stderr]    Compiling mysql v14.2.0
[INFO] [stderr]    Compiling admin_tools v0.1.0 (/opt/rustwide/workdir/tools/admin_tools)
[INFO] [stderr]    Compiling migration_script v0.1.0 (/opt/rustwide/workdir/tools/migration_script)
[INFO] [stderr]    Compiling mysql_dump v0.1.0 (/opt/rustwide/workdir/tools/mysql_dump)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tools/migration_script/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `migration_script` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d84558cd219396404983700ddf81ba47aa5ad58d2be210b6636b1fc30610e93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84558cd219396404983700ddf81ba47aa5ad58d2be210b6636b1fc30610e93f", kill_on_drop: false }`
[INFO] [stdout] d84558cd219396404983700ddf81ba47aa5ad58d2be210b6636b1fc30610e93f