[INFO] cloning repository https://github.com/nitros12/pyo3_queue_test_eventfd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nitros12/pyo3_queue_test_eventfd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fpyo3_queue_test_eventfd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fpyo3_queue_test_eventfd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5649db1871ed7acddf907a6251407ef4dbc56072
[INFO] testing nitros12/pyo3_queue_test_eventfd against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fpyo3_queue_test_eventfd" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nitros12/pyo3_queue_test_eventfd on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nitros12/pyo3_queue_test_eventfd
[INFO] finished tweaking git repo https://github.com/nitros12/pyo3_queue_test_eventfd
[INFO] tweaked toml for git repo https://github.com/nitros12/pyo3_queue_test_eventfd written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/nitros12/pyo3_queue_test_eventfd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.12.3
[INFO] [stderr]   Downloaded pyo3 v0.12.3
[INFO] [stderr]   Downloaded tokio v0.3.2
[INFO] [stderr]   Downloaded likely v0.1.0
[INFO] [stderr]   Downloaded file-descriptors v0.9.1
[INFO] [stderr]   Downloaded pyo3cls v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d66e06cb898239dcff356263e0bd6023ddef993d578605c4ffb419308eba72a3
[INFO] running `Command { std: "docker" "start" "-a" "d66e06cb898239dcff356263e0bd6023ddef993d578605c4ffb419308eba72a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d66e06cb898239dcff356263e0bd6023ddef993d578605c4ffb419308eba72a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66e06cb898239dcff356263e0bd6023ddef993d578605c4ffb419308eba72a3", kill_on_drop: false }`
[INFO] [stdout] d66e06cb898239dcff356263e0bd6023ddef993d578605c4ffb419308eba72a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecb61c101250fa8f1ba100e6be7bfe388075c87b12d603d6b277851c27a934a2
[INFO] running `Command { std: "docker" "start" "-a" "ecb61c101250fa8f1ba100e6be7bfe388075c87b12d603d6b277851c27a934a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling pyo3 v0.12.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling likely v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling strum v0.13.0
[INFO] [stderr]    Compiling instant v0.1.8
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tokio v0.3.2
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.3
[INFO] [stderr]    Compiling file-descriptors v0.9.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.9.1/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.9.1/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(read_initializer)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.3
[INFO] [stdout] error: aborting due to 2 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 `file-descriptors` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ecb61c101250fa8f1ba100e6be7bfe388075c87b12d603d6b277851c27a934a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb61c101250fa8f1ba100e6be7bfe388075c87b12d603d6b277851c27a934a2", kill_on_drop: false }`
[INFO] [stdout] ecb61c101250fa8f1ba100e6be7bfe388075c87b12d603d6b277851c27a934a2
