[INFO] fetching crate src-graph 0.1.4...
[INFO] testing src-graph-0.1.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate src-graph 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate src-graph 0.1.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate src-graph 0.1.4
[INFO] finished tweaking crates.io crate src-graph 0.1.4
[INFO] tweaked toml for crates.io crate src-graph 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate src-graph 0.1.4 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" "+1.75.0" "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 rustc-ap-graphviz v662.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d5ea783553c5d4e6e699ad17f0ce96239ffb2bace83f4c75e34c24f33ceb90c
[INFO] running `Command { std: "docker" "start" "-a" "4d5ea783553c5d4e6e699ad17f0ce96239ffb2bace83f4c75e34c24f33ceb90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d5ea783553c5d4e6e699ad17f0ce96239ffb2bace83f4c75e34c24f33ceb90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5ea783553c5d4e6e699ad17f0ce96239ffb2bace83f4c75e34c24f33ceb90c", kill_on_drop: false }`
[INFO] [stdout] 4d5ea783553c5d4e6e699ad17f0ce96239ffb2bace83f4c75e34c24f33ceb90c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ada327e7fefac07aef67d26d10b956e4c84cc0e92b4534582f882ccc509e9b3e
[INFO] running `Command { std: "docker" "start" "-a" "ada327e7fefac07aef67d26d10b956e4c84cc0e92b4534582f882ccc509e9b3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-graphviz v662.0.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-ap-graphviz-662.0.0/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `nll` has been stable since `1.63.0` and no longer requires an attribute to enable
[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 `rustc-ap-graphviz` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ada327e7fefac07aef67d26d10b956e4c84cc0e92b4534582f882ccc509e9b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada327e7fefac07aef67d26d10b956e4c84cc0e92b4534582f882ccc509e9b3e", kill_on_drop: false }`
[INFO] [stdout] ada327e7fefac07aef67d26d10b956e4c84cc0e92b4534582f882ccc509e9b3e
[INFO] testing src-graph-0.1.4 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate src-graph 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate src-graph 0.1.4 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate src-graph 0.1.4
[INFO] finished tweaking crates.io crate src-graph 0.1.4
[INFO] tweaked toml for crates.io crate src-graph 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate src-graph 0.1.4 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a19617f2901621462e7cb64ddb1cc7379cfc2d85ed1f6b582dd4a5fe23964ab
[INFO] running `Command { std: "docker" "start" "-a" "4a19617f2901621462e7cb64ddb1cc7379cfc2d85ed1f6b582dd4a5fe23964ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a19617f2901621462e7cb64ddb1cc7379cfc2d85ed1f6b582dd4a5fe23964ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a19617f2901621462e7cb64ddb1cc7379cfc2d85ed1f6b582dd4a5fe23964ab", kill_on_drop: false }`
[INFO] [stdout] 4a19617f2901621462e7cb64ddb1cc7379cfc2d85ed1f6b582dd4a5fe23964ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6577efaf235f749888444119cdb5dbd4e75d963d38bd0e5c3a847c47433a0299
[INFO] running `Command { std: "docker" "start" "-a" "6577efaf235f749888444119cdb5dbd4e75d963d38bd0e5c3a847c47433a0299", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-graphviz v662.0.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-ap-graphviz-662.0.0/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `nll` has been stable since `1.63.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `rustc-ap-graphviz` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6577efaf235f749888444119cdb5dbd4e75d963d38bd0e5c3a847c47433a0299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6577efaf235f749888444119cdb5dbd4e75d963d38bd0e5c3a847c47433a0299", kill_on_drop: false }`
[INFO] [stdout] 6577efaf235f749888444119cdb5dbd4e75d963d38bd0e5c3a847c47433a0299
