[INFO] fetching crate sexprs-data-structures 0.0.5...
[INFO] checking sexprs-data-structures-0.0.5 against 1.95.0 for pr-155915
[INFO] extracting crate sexprs-data-structures 0.0.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate sexprs-data-structures 0.0.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sexprs-data-structures 0.0.5
[INFO] tweaked toml for crates.io crate sexprs-data-structures 0.0.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sexprs-data-structures 0.0.5 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 sexprs-data-structures 0.0.5 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.2.6
[INFO] [stderr]   Downloaded k9 v0.12.0
[INFO] [stderr]   Downloaded sexprs-util v0.0.5
[INFO] [stderr]   Downloaded unique-pointer v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9f216a83ff1eb94f62074b4efd65fd38aca780d8a966bd05bde1a2a3dafa6d85
[INFO] running `Command { std: "docker" "start" "-a" "9f216a83ff1eb94f62074b4efd65fd38aca780d8a966bd05bde1a2a3dafa6d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f216a83ff1eb94f62074b4efd65fd38aca780d8a966bd05bde1a2a3dafa6d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f216a83ff1eb94f62074b4efd65fd38aca780d8a966bd05bde1a2a3dafa6d85", kill_on_drop: false }`
[INFO] [stdout] 9f216a83ff1eb94f62074b4efd65fd38aca780d8a966bd05bde1a2a3dafa6d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2818da7b8ff3a77f0d40d1b0f78161c8fac42b70464102f58c06005dc7923e6f
[INFO] running `Command { std: "docker" "start" "-a" "2818da7b8ff3a77f0d40d1b0f78161c8fac42b70464102f58c06005dc7923e6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking sexprs-util v0.0.5
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking unique-pointer v0.5.0
[INFO] [stderr]     Checking colored v2.2.0
[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-1949cf8c6b5b557f/unique-pointer-0.5.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(intra_doc_pointers)]
[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 `unique-pointer` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2818da7b8ff3a77f0d40d1b0f78161c8fac42b70464102f58c06005dc7923e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2818da7b8ff3a77f0d40d1b0f78161c8fac42b70464102f58c06005dc7923e6f", kill_on_drop: false }`
[INFO] [stdout] 2818da7b8ff3a77f0d40d1b0f78161c8fac42b70464102f58c06005dc7923e6f