[INFO] cloning repository https://github.com/juzi5201314/clairvoyance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juzi5201314/clairvoyance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuzi5201314%2Fclairvoyance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuzi5201314%2Fclairvoyance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7f4201f87597309c7f1c47a3b7eede2a593debd
[INFO] testing juzi5201314/clairvoyance against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuzi5201314%2Fclairvoyance" "/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/juzi5201314/clairvoyance 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/juzi5201314/clairvoyance
[INFO] finished tweaking git repo https://github.com/juzi5201314/clairvoyance
[INFO] tweaked toml for git repo https://github.com/juzi5201314/clairvoyance written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/juzi5201314/clairvoyance 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]  Downloading crates ...
[INFO] [stderr]   Downloaded heim-common v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-net v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-memory v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-disk v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-cpu v0.1.0-rc.1
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-beta.0
[INFO] [stderr]   Downloaded virtue v0.0.4
[INFO] [stderr]   Downloaded bincode v2.0.0-beta.0
[INFO] [stderr]   Downloaded heim-host v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-sensors v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-runtime v0.1.0-rc.1
[INFO] [stderr]   Downloaded integer-encoding v3.0.2
[INFO] [stderr]   Downloaded heim v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-process v0.1.1-rc.1
[INFO] [stderr]   Downloaded heim-virt v0.1.0-rc.1
[INFO] [stderr]   Downloaded platforms v1.0.3
[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: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] ac29f8372a8d80e32ffbc11422a5b7d9fe0b49c243b6bb1bba7acf62b9ef1134
[INFO] running `Command { std: "docker" "start" "-a" "ac29f8372a8d80e32ffbc11422a5b7d9fe0b49c243b6bb1bba7acf62b9ef1134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac29f8372a8d80e32ffbc11422a5b7d9fe0b49c243b6bb1bba7acf62b9ef1134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac29f8372a8d80e32ffbc11422a5b7d9fe0b49c243b6bb1bba7acf62b9ef1134", kill_on_drop: false }`
[INFO] [stdout] ac29f8372a8d80e32ffbc11422a5b7d9fe0b49c243b6bb1bba7acf62b9ef1134
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] d98b914c7e759b08377f4a38e51bcadbe46d5769d40e7c84663dd1c18a9fed87
[INFO] running `Command { std: "docker" "start" "-a" "d98b914c7e759b08377f4a38e51bcadbe46d5769d40e7c84663dd1c18a9fed87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling platforms v1.0.3
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling heim-host v0.1.0-rc.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling macaddr v1.0.1
[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/smallvec-1.7.0/src/lib.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling anyhow v1.0.52
[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 `smallvec` 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" "d98b914c7e759b08377f4a38e51bcadbe46d5769d40e7c84663dd1c18a9fed87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98b914c7e759b08377f4a38e51bcadbe46d5769d40e7c84663dd1c18a9fed87", kill_on_drop: false }`
[INFO] [stdout] d98b914c7e759b08377f4a38e51bcadbe46d5769d40e7c84663dd1c18a9fed87