[INFO] fetching crate larz 0.3.0...
[INFO] testing larz-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate larz 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate larz 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking crates.io crate larz 0.3.0
[INFO] finished tweaking crates.io crate larz 0.3.0
[INFO] tweaked toml for crates.io crate larz 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate larz 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/profiles.html#strip-option for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twox-hash v1.6.2
[INFO] [stderr]   Downloaded mimalloc v0.1.27
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[INFO] [stderr]   Downloaded lz4_flex v0.9.2
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.23
[INFO] [stderr]   Downloaded wild v2.1.0-alpha.2
[INFO] [stderr]   Downloaded argfile v0.1.3
[INFO] [stderr]   Downloaded clap v3.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a878339f939e6d12ef314d22bd2ed675ff0f8158052976787dd9746bd7a3759
[INFO] running `Command { std: "docker" "start" "-a" "5a878339f939e6d12ef314d22bd2ed675ff0f8158052976787dd9746bd7a3759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a878339f939e6d12ef314d22bd2ed675ff0f8158052976787dd9746bd7a3759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a878339f939e6d12ef314d22bd2ed675ff0f8158052976787dd9746bd7a3759", kill_on_drop: false }`
[INFO] [stdout] 5a878339f939e6d12ef314d22bd2ed675ff0f8158052976787dd9746bd7a3759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faf210abc3ae02a20799d6047ab167aa4e5b295a7d95c743c726a43e41ac7e4b
[INFO] running `Command { std: "docker" "start" "-a" "faf210abc3ae02a20799d6047ab167aa4e5b295a7d95c743c726a43e41ac7e4b", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/profiles.html#strip-option for more information about using this feature.
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling wild v2.1.0-alpha.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling twox-hash v1.6.2
[INFO] [stderr]    Compiling argfile v0.1.3
[INFO] [stderr]    Compiling lz4_flex v0.9.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.23
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling clap v3.0.14
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling mimalloc v0.1.27
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling larz v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(panic_info_message)]
[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 `larz` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "faf210abc3ae02a20799d6047ab167aa4e5b295a7d95c743c726a43e41ac7e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf210abc3ae02a20799d6047ab167aa4e5b295a7d95c743c726a43e41ac7e4b", kill_on_drop: false }`
[INFO] [stdout] faf210abc3ae02a20799d6047ab167aa4e5b295a7d95c743c726a43e41ac7e4b