[INFO] fetching crate twirl 0.1.1...
[INFO] testing twirl-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate twirl 0.1.1 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate twirl 0.1.1 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 twirl 0.1.1
[INFO] finished tweaking crates.io crate twirl 0.1.1
[INFO] tweaked toml for crates.io crate twirl 0.1.1 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 390c63ae1b10dcd7fd392212eccda463cb8dda39e2907610866cc699bb40dbf9
[INFO] running `Command { std: "docker" "start" "-a" "390c63ae1b10dcd7fd392212eccda463cb8dda39e2907610866cc699bb40dbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390c63ae1b10dcd7fd392212eccda463cb8dda39e2907610866cc699bb40dbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390c63ae1b10dcd7fd392212eccda463cb8dda39e2907610866cc699bb40dbf9", kill_on_drop: false }`
[INFO] [stdout] 390c63ae1b10dcd7fd392212eccda463cb8dda39e2907610866cc699bb40dbf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] bef52bfc699f8de2eed2bfffe9c85cf058954cbd3bfcd1c792688a862b922790
[INFO] running `Command { std: "docker" "start" "-a" "bef52bfc699f8de2eed2bfffe9c85cf058954cbd3bfcd1c792688a862b922790", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-fs v0.2.0-alpha.6
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[INFO] [stderr]    Compiling hyper v0.13.0-alpha.4
[INFO] [stderr]    Compiling hyper-tls v0.4.0-alpha.4
[INFO] [stderr]    Compiling twirl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/api/api_call.rs:166:16
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Error::description(self).fmt(f)
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/auth/auth_provider.rs:177:16
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Error::description(self).fmt(f)
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `url::Url::into_string`: use Into<String>
[INFO] [stdout]   --> src/lib.rs:72:27
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let url_str = url.into_string();
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twirl` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bef52bfc699f8de2eed2bfffe9c85cf058954cbd3bfcd1c792688a862b922790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef52bfc699f8de2eed2bfffe9c85cf058954cbd3bfcd1c792688a862b922790", kill_on_drop: false }`
[INFO] [stdout] bef52bfc699f8de2eed2bfffe9c85cf058954cbd3bfcd1c792688a862b922790
