[INFO] fetching crate libdvb-rs 0.4.5...
[INFO] checking libdvb-rs-0.4.5 against 1.95.0 for pr-155915
[INFO] extracting crate libdvb-rs 0.4.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate libdvb-rs 0.4.5
[INFO] finished tweaking crates.io crate libdvb-rs 0.4.5
[INFO] tweaked toml for crates.io crate libdvb-rs 0.4.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libdvb-rs 0.4.5 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libdvb-rs 0.4.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15ece351ad873a341f55c45cc5afc9ccf73ad36c932c700411147a9facf5dcd1
[INFO] running `Command { std: "docker" "start" "-a" "15ece351ad873a341f55c45cc5afc9ccf73ad36c932c700411147a9facf5dcd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15ece351ad873a341f55c45cc5afc9ccf73ad36c932c700411147a9facf5dcd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ece351ad873a341f55c45cc5afc9ccf73ad36c932c700411147a9facf5dcd1", kill_on_drop: false }`
[INFO] [stdout] 15ece351ad873a341f55c45cc5afc9ccf73ad36c932c700411147a9facf5dcd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c6acf8413e06bad95dfe4667d2d81b74310661101c05c6ee4ad93a2efc1e12d
[INFO] running `Command { std: "docker" "start" "-a" "4c6acf8413e06bad95dfe4667d2d81b74310661101c05c6ee4ad93a2efc1e12d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking libdvb-rs v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libdvb-rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libdvb-rs` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4c6acf8413e06bad95dfe4667d2d81b74310661101c05c6ee4ad93a2efc1e12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6acf8413e06bad95dfe4667d2d81b74310661101c05c6ee4ad93a2efc1e12d", kill_on_drop: false }`
[INFO] [stdout] 4c6acf8413e06bad95dfe4667d2d81b74310661101c05c6ee4ad93a2efc1e12d
