[INFO] fetching crate sexprs-repl 0.0.5...
[INFO] testing sexprs-repl-0.0.5 against 1.91.0 for beta-1.92-2
[INFO] extracting crate sexprs-repl 0.0.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate sexprs-repl 0.0.5
[INFO] finished tweaking crates.io crate sexprs-repl 0.0.5
[INFO] tweaked toml for crates.io crate sexprs-repl 0.0.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sexprs-repl 0.0.5 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sexprs-repl 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trilobyte v0.1.2
[INFO] [stderr]   Downloaded thread-groups v0.1.2
[INFO] [stderr]   Downloaded sexprs-formatter v0.0.5
[INFO] [stderr]   Downloaded sexprs-util v0.0.5
[INFO] [stderr]   Downloaded rustyline-derive v0.11.1
[INFO] [stderr]   Downloaded sexprs-parser v0.0.5
[INFO] [stderr]   Downloaded fd-lock v4.0.4
[INFO] [stderr]   Downloaded unique-pointer v0.5.0
[INFO] [stderr]   Downloaded sexprs-data-structures v0.0.5
[INFO] [stderr]   Downloaded sanitation v1.0.3
[INFO] [stderr]   Downloaded sexprs-vm v0.0.5
[INFO] [stderr]   Downloaded iocore v3.0.3
[INFO] [stderr]   Downloaded dumbeq v0.1.2
[INFO] [stderr]   Downloaded rusqlite v0.32.1
[INFO] [stderr]   Downloaded rustyline v15.0.0
[INFO] [stderr]   Downloaded syntect v5.2.0
[INFO] [stderr]   Downloaded libc v0.2.173
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1976db200202baa6bec941c26f31b4e1e44727437272e44426dd44452beac40
[INFO] running `Command { std: "docker" "start" "-a" "f1976db200202baa6bec941c26f31b4e1e44727437272e44426dd44452beac40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1976db200202baa6bec941c26f31b4e1e44727437272e44426dd44452beac40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1976db200202baa6bec941c26f31b4e1e44727437272e44426dd44452beac40", kill_on_drop: false }`
[INFO] [stdout] f1976db200202baa6bec941c26f31b4e1e44727437272e44426dd44452beac40
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f97269272737fc9e5d2e57713ec28e269fcac7a4b49e99799963c46b6358ffc
[INFO] running `Command { std: "docker" "start" "-a" "8f97269272737fc9e5d2e57713ec28e269fcac7a4b49e99799963c46b6358ffc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling prettyplease v0.2.33
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling thread-groups v0.1.2
[INFO] [stderr]    Compiling sanitation v1.0.3
[INFO] [stderr]    Compiling sexprs-util v0.0.5
[INFO] [stderr]    Compiling trilobyte v0.1.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling unique-pointer v0.5.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[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] [stderr]    Compiling fallible-iterator v0.3.0
[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" "8f97269272737fc9e5d2e57713ec28e269fcac7a4b49e99799963c46b6358ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f97269272737fc9e5d2e57713ec28e269fcac7a4b49e99799963c46b6358ffc", kill_on_drop: false }`
[INFO] [stdout] 8f97269272737fc9e5d2e57713ec28e269fcac7a4b49e99799963c46b6358ffc