[INFO] cloning repository https://github.com/Dreae/rocket-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dreae/rocket-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2Frocket-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2Frocket-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 247644e9c426d50d360b10acf774b7b3c347489e
[INFO] testing Dreae/rocket-example against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreae%2Frocket-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dreae/rocket-example on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dreae/rocket-example
[INFO] finished tweaking git repo https://github.com/Dreae/rocket-example
[INFO] tweaked toml for git repo https://github.com/Dreae/rocket-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Dreae/rocket-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.2
[INFO] [stderr]   Downloaded pq-sys v0.2.7
[INFO] [stderr]   Downloaded dotenv v0.8.0
[INFO] [stderr]   Downloaded syn v0.10.5
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded quote v0.3.10
[INFO] [stderr]   Downloaded rocket v0.1.4
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.19
[INFO] [stderr]   Downloaded diesel_codegen_shared v0.9.0
[INFO] [stderr]   Downloaded rocket_codegen v0.1.4
[INFO] [stderr]   Downloaded rocket_contrib v0.1.4
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] [stderr]   Downloaded hyper v0.9.14
[INFO] [stderr]   Downloaded term v0.4.4
[INFO] [stderr]   Downloaded serde_json v0.8.4
[INFO] [stderr]   Downloaded serde v0.8.21
[INFO] [stderr]   Downloaded serde_derive v0.8.21
[INFO] [stderr]   Downloaded serde_codegen v0.8.21
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded num_cpus v1.2.1
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded diesel v0.9.1
[INFO] [stderr]   Downloaded diesel_codegen v0.9.0
[INFO] [stderr]   Downloaded r2d2-diesel v0.9.0
[INFO] [stderr]   Downloaded r2d2 v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d23a5c5d18cce4aa8a543a3eacf9785c8139e449a3b1a1a24c54f11887c7fcf
[INFO] running `Command { std: "docker" "start" "-a" "8d23a5c5d18cce4aa8a543a3eacf9785c8139e449a3b1a1a24c54f11887c7fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d23a5c5d18cce4aa8a543a3eacf9785c8139e449a3b1a1a24c54f11887c7fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d23a5c5d18cce4aa8a543a3eacf9785c8139e449a3b1a1a24c54f11887c7fcf", kill_on_drop: false }`
[INFO] [stdout] 8d23a5c5d18cce4aa8a543a3eacf9785c8139e449a3b1a1a24c54f11887c7fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 892e7e18c583935f5365d240d719e778fb17f5d3a97fb61eca1ae275f5712de5
[INFO] running `Command { std: "docker" "start" "-a" "892e7e18c583935f5365d240d719e778fb17f5d3a97fb61eca1ae275f5712de5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling pq-sys v0.2.7
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling rocket_codegen v0.1.4
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_codegen-0.1.4/build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.2
[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 `rocket_codegen` 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" "892e7e18c583935f5365d240d719e778fb17f5d3a97fb61eca1ae275f5712de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892e7e18c583935f5365d240d719e778fb17f5d3a97fb61eca1ae275f5712de5", kill_on_drop: false }`
[INFO] [stdout] 892e7e18c583935f5365d240d719e778fb17f5d3a97fb61eca1ae275f5712de5