[INFO] fetching crate release-manager 0.1.4...
[INFO] testing release-manager-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate release-manager 0.1.4 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate release-manager 0.1.4 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] started tweaking crates.io crate release-manager 0.1.4
[INFO] finished tweaking crates.io crate release-manager 0.1.4
[INFO] tweaked toml for crates.io crate release-manager 0.1.4 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+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]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.2.8
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 54e908747d7c13cbb8e96833777b6989888669bf4f9b292f1a578206ce9ecd5d
[INFO] running `Command { std: "docker" "start" "-a" "54e908747d7c13cbb8e96833777b6989888669bf4f9b292f1a578206ce9ecd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e908747d7c13cbb8e96833777b6989888669bf4f9b292f1a578206ce9ecd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e908747d7c13cbb8e96833777b6989888669bf4f9b292f1a578206ce9ecd5d", kill_on_drop: false }`
[INFO] [stdout] 54e908747d7c13cbb8e96833777b6989888669bf4f9b292f1a578206ce9ecd5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] da058737b00f232dd6483449c904132f3638908656c52fa3f307ad831dc2e904
[INFO] running `Command { std: "docker" "start" "-a" "da058737b00f232dd6483449c904132f3638908656c52fa3f307ad831dc2e904", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]    Compiling structopt v0.1.7
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling release-manager v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(entry_and_modify)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(try_from)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `release-manager` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "da058737b00f232dd6483449c904132f3638908656c52fa3f307ad831dc2e904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da058737b00f232dd6483449c904132f3638908656c52fa3f307ad831dc2e904", kill_on_drop: false }`
[INFO] [stdout] da058737b00f232dd6483449c904132f3638908656c52fa3f307ad831dc2e904