[INFO] fetching crate podchamp 0.5.1...
[INFO] testing podchamp-0.5.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate podchamp 0.5.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate podchamp 0.5.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate podchamp 0.5.1
[INFO] finished tweaking crates.io crate podchamp 0.5.1
[INFO] tweaked toml for crates.io crate podchamp 0.5.1 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate podchamp 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 clap_derive v3.0.6
[INFO] [stderr]   Downloaded clap v3.0.6
[INFO] [stderr]   Downloaded feed-rs v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c25d560cb20d0e1c4fbf1e78a1a11475089d225dec70a955fccda68fec159bbe
[INFO] running `Command { std: "docker" "start" "-a" "c25d560cb20d0e1c4fbf1e78a1a11475089d225dec70a955fccda68fec159bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c25d560cb20d0e1c4fbf1e78a1a11475089d225dec70a955fccda68fec159bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25d560cb20d0e1c4fbf1e78a1a11475089d225dec70a955fccda68fec159bbe", kill_on_drop: false }`
[INFO] [stdout] c25d560cb20d0e1c4fbf1e78a1a11475089d225dec70a955fccda68fec159bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d709f17f12f601c401b563d8b8fc46736969dece8e6edbe93b1d099904376ae
[INFO] running `Command { std: "docker" "start" "-a" "2d709f17f12f601c401b563d8b8fc46736969dece8e6edbe93b1d099904376ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling clap v3.0.6
[INFO] [stderr]    Compiling diesel v1.4.8
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling h2 v0.3.10
[INFO] [stderr]    Compiling migrations_internals v1.4.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling migrations_macros v1.4.2
[INFO] [stderr]    Compiling feed-rs v1.0.0
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling diesel_migrations v1.4.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling podchamp v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_blocks)]
[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 `podchamp` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2d709f17f12f601c401b563d8b8fc46736969dece8e6edbe93b1d099904376ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d709f17f12f601c401b563d8b8fc46736969dece8e6edbe93b1d099904376ae", kill_on_drop: false }`
[INFO] [stdout] 2d709f17f12f601c401b563d8b8fc46736969dece8e6edbe93b1d099904376ae