[INFO] fetching crate cargo-pyinit 0.1.0...
[INFO] testing cargo-pyinit-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate cargo-pyinit 0.1.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate cargo-pyinit 0.1.0 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 crates.io crate cargo-pyinit 0.1.0
[INFO] finished tweaking crates.io crate cargo-pyinit 0.1.0
[INFO] tweaked toml for crates.io crate cargo-pyinit 0.1.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate cargo-pyinit 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 16a6623dae44ba05de1c2e2d2beeb78698e685e9512e8b7c7753558da1bf5227
[INFO] running `Command { std: "docker" "start" "-a" "16a6623dae44ba05de1c2e2d2beeb78698e685e9512e8b7c7753558da1bf5227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16a6623dae44ba05de1c2e2d2beeb78698e685e9512e8b7c7753558da1bf5227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a6623dae44ba05de1c2e2d2beeb78698e685e9512e8b7c7753558da1bf5227", kill_on_drop: false }`
[INFO] [stdout] 16a6623dae44ba05de1c2e2d2beeb78698e685e9512e8b7c7753558da1bf5227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] b374c8d3dc40d977667170ad77ebf23cb0e06516c8ffcb98fe51efa8dfd8526c
[INFO] running `Command { std: "docker" "start" "-a" "b374c8d3dc40d977667170ad77ebf23cb0e06516c8ffcb98fe51efa8dfd8526c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling cargo_toml v0.8.1
[INFO] [stderr]    Compiling cargo-pyinit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[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 `cargo-pyinit` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b374c8d3dc40d977667170ad77ebf23cb0e06516c8ffcb98fe51efa8dfd8526c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b374c8d3dc40d977667170ad77ebf23cb0e06516c8ffcb98fe51efa8dfd8526c", kill_on_drop: false }`
[INFO] [stdout] b374c8d3dc40d977667170ad77ebf23cb0e06516c8ffcb98fe51efa8dfd8526c
