[INFO] cloning repository https://github.com/integrational/hello-rocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/integrational/hello-rocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintegrational%2Fhello-rocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintegrational%2Fhello-rocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 857c2116af37eb1a1f976d8bcf46948483aad4af
[INFO] testing integrational/hello-rocket against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintegrational%2Fhello-rocket" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/integrational/hello-rocket 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/integrational/hello-rocket
[INFO] finished tweaking git repo https://github.com/integrational/hello-rocket
[INFO] tweaked toml for git repo https://github.com/integrational/hello-rocket written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 quote v1.0.18
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded cpufeatures v0.2.2
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded redox_syscall v0.2.13
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded slab v0.4.6
[INFO] [stderr]   Downloaded indexmap v1.8.1
[INFO] [stderr]   Downloaded yansi v0.5.1
[INFO] [stderr]   Downloaded rocket_contrib v0.4.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded httparse v1.7.0
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded libc v0.2.123
[INFO] running `Command { std: "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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 689baa64774d6179fe5c184a98ffe1b835b802f3afb7cbb7128bb5aa9ce5f6b8
[INFO] running `Command { std: "docker" "start" "-a" "689baa64774d6179fe5c184a98ffe1b835b802f3afb7cbb7128bb5aa9ce5f6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "689baa64774d6179fe5c184a98ffe1b835b802f3afb7cbb7128bb5aa9ce5f6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689baa64774d6179fe5c184a98ffe1b835b802f3afb7cbb7128bb5aa9ce5f6b8", kill_on_drop: false }`
[INFO] [stdout] 689baa64774d6179fe5c184a98ffe1b835b802f3afb7cbb7128bb5aa9ce5f6b8
[INFO] running `Command { std: "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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4589af7b9d74b1760ad73216d6ea9a21864d41d943dbd6ec55df67f6b6859e03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4589af7b9d74b1760ad73216d6ea9a21864d41d943dbd6ec55df67f6b6859e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.10
[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/devise_core-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/devise_core-0.2.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/devise_core-0.2.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rocket v0.4.10
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devise_core` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4589af7b9d74b1760ad73216d6ea9a21864d41d943dbd6ec55df67f6b6859e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4589af7b9d74b1760ad73216d6ea9a21864d41d943dbd6ec55df67f6b6859e03", kill_on_drop: false }`
[INFO] [stdout] 4589af7b9d74b1760ad73216d6ea9a21864d41d943dbd6ec55df67f6b6859e03