[INFO] fetching crate constcat 0.3.0...
[INFO] testing constcat-0.3.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate constcat 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate constcat 0.3.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate constcat 0.3.0
[INFO] finished tweaking crates.io crate constcat 0.3.0
[INFO] tweaked toml for crates.io crate constcat 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f895cd8e595b70973f5f79a2d21ad0b6aff85204dc71d99288044e4914fed7fb
[INFO] running `Command { std: "docker" "start" "-a" "f895cd8e595b70973f5f79a2d21ad0b6aff85204dc71d99288044e4914fed7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f895cd8e595b70973f5f79a2d21ad0b6aff85204dc71d99288044e4914fed7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f895cd8e595b70973f5f79a2d21ad0b6aff85204dc71d99288044e4914fed7fb", kill_on_drop: false }`
[INFO] [stdout] f895cd8e595b70973f5f79a2d21ad0b6aff85204dc71d99288044e4914fed7fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ebdd614db9bc8197657213d07a196856e3575f17817783f74448ea7e699d819
[INFO] running `Command { std: "docker" "start" "-a" "7ebdd614db9bc8197657213d07a196856e3575f17817783f74448ea7e699d819", kill_on_drop: false }`
[INFO] [stderr]    Compiling constcat v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "7ebdd614db9bc8197657213d07a196856e3575f17817783f74448ea7e699d819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ebdd614db9bc8197657213d07a196856e3575f17817783f74448ea7e699d819", kill_on_drop: false }`
[INFO] [stdout] 7ebdd614db9bc8197657213d07a196856e3575f17817783f74448ea7e699d819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d16a4a252da849b1c1681b7fb8458f7b2dcbc8081e8b2ad3d2c5d8ef91fc032b
[INFO] running `Command { std: "docker" "start" "-a" "d16a4a252da849b1c1681b7fb8458f7b2dcbc8081e8b2ad3d2c5d8ef91fc032b", kill_on_drop: false }`
[INFO] [stderr]    Compiling constcat v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/smoke.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "bytes", feature(concat_bytes))]
[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 `constcat` (test "smoke") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d16a4a252da849b1c1681b7fb8458f7b2dcbc8081e8b2ad3d2c5d8ef91fc032b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16a4a252da849b1c1681b7fb8458f7b2dcbc8081e8b2ad3d2c5d8ef91fc032b", kill_on_drop: false }`
[INFO] [stdout] d16a4a252da849b1c1681b7fb8458f7b2dcbc8081e8b2ad3d2c5d8ef91fc032b
