[INFO] cloning repository https://github.com/Gelbpunkt/zangy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gelbpunkt/zangy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGelbpunkt%2Fzangy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGelbpunkt%2Fzangy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2eaedd46b7cdd07cfbb33c247e0757c1e9cfcdc
[INFO] testing Gelbpunkt/zangy against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGelbpunkt%2Fzangy" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gelbpunkt/zangy on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-21/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Gelbpunkt/zangy
[INFO] finished tweaking git repo https://github.com/Gelbpunkt/zangy
[INFO] tweaked toml for git repo https://github.com/Gelbpunkt/zangy written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/Gelbpunkt/zangy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/PyO3/pyo3`
[INFO] [stderr]     Updating git repository `https://github.com/mitsuhiko/redis-rs`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20f83ce159dba08b403da86ab695a3dce066e083eb6a9f0db1f7b725876570ea
[INFO] running `Command { std: "docker" "start" "-a" "20f83ce159dba08b403da86ab695a3dce066e083eb6a9f0db1f7b725876570ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20f83ce159dba08b403da86ab695a3dce066e083eb6a9f0db1f7b725876570ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f83ce159dba08b403da86ab695a3dce066e083eb6a9f0db1f7b725876570ea", kill_on_drop: false }`
[INFO] [stdout] 20f83ce159dba08b403da86ab695a3dce066e083eb6a9f0db1f7b725876570ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3deb2e0b3794d4c398b12106c47ebc4b9ba7911390d0b5b140c03be01742b7c8
[INFO] running `Command { std: "docker" "start" "-a" "3deb2e0b3794d4c398b12106c47ebc4b9ba7911390d0b5b140c03be01742b7c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling pyo3-build-config v0.14.5 (https://github.com/PyO3/pyo3#0c5ac220)
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pyo3 v0.14.5 (https://github.com/PyO3/pyo3#0c5ac220)
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling pyo3-macros-backend v0.14.5 (https://github.com/PyO3/pyo3#0c5ac220)
[INFO] [stderr]    Compiling combine v4.6.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.14.5 (https://github.com/PyO3/pyo3#0c5ac220)
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/pyo3-a22e69bc62b9f0fd/0c5ac22/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly", feature(specialization))]
[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 `pyo3` 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" "3deb2e0b3794d4c398b12106c47ebc4b9ba7911390d0b5b140c03be01742b7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3deb2e0b3794d4c398b12106c47ebc4b9ba7911390d0b5b140c03be01742b7c8", kill_on_drop: false }`
[INFO] [stdout] 3deb2e0b3794d4c398b12106c47ebc4b9ba7911390d0b5b140c03be01742b7c8