[INFO] fetching crate bbnf 0.2.9...
[INFO] checking bbnf-0.2.9 against 1.95.0 for pr-155915
[INFO] extracting crate bbnf 0.2.9 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate bbnf 0.2.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bbnf 0.2.9
[INFO] tweaked toml for crates.io crate bbnf 0.2.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bbnf 0.2.9 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 bbnf 0.2.9 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 bbnf_derive v0.2.8
[INFO] [stderr]   Downloaded smallbox v0.8.8
[INFO] [stderr]   Downloaded pprint v0.3.6
[INFO] [stderr]   Downloaded itoap v1.0.1
[INFO] [stderr]   Downloaded bbnf-ir v0.1.4
[INFO] [stderr]   Downloaded pprint_derive v0.2.2
[INFO] [stderr]   Downloaded dragonbox v0.1.12
[INFO] [stderr]   Downloaded bbnf v0.2.8
[INFO] [stderr]   Downloaded parse_that v0.3.3
[INFO] [stderr]   Downloaded gorgeous v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5b4478e75f30ba411b27734e1fb25e824fae9e99967f168d8552a4e2d5274168
[INFO] running `Command { std: "docker" "start" "-a" "5b4478e75f30ba411b27734e1fb25e824fae9e99967f168d8552a4e2d5274168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4478e75f30ba411b27734e1fb25e824fae9e99967f168d8552a4e2d5274168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4478e75f30ba411b27734e1fb25e824fae9e99967f168d8552a4e2d5274168", kill_on_drop: false }`
[INFO] [stdout] 5b4478e75f30ba411b27734e1fb25e824fae9e99967f168d8552a4e2d5274168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 41a186c2b91d1948dcc151f63ce102a3582d115184b2d98578e90c4c944e11c2
[INFO] running `Command { std: "docker" "start" "-a" "41a186c2b91d1948dcc151f63ce102a3582d115184b2d98578e90c4c944e11c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling dragonbox v0.1.12
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling smallbox v0.8.8
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling rmp v0.8.15
[INFO] [stderr]     Checking itoap v1.0.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.44
[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/smallbox-0.8.8/src/lib.rs:168:34
[INFO] [stdout]     |
[INFO] [stdout] 168 | #![cfg_attr(feature = "nightly", feature(strict_provenance, set_ptr_value))]
[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 `smallbox` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/smallbox-0.8.8/src/lib.rs:168:34
[INFO] [stdout]     |
[INFO] [stdout] 168 | #![cfg_attr(feature = "nightly", feature(strict_provenance, set_ptr_value))]
[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 `smallbox` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "41a186c2b91d1948dcc151f63ce102a3582d115184b2d98578e90c4c944e11c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a186c2b91d1948dcc151f63ce102a3582d115184b2d98578e90c4c944e11c2", kill_on_drop: false }`
[INFO] [stdout] 41a186c2b91d1948dcc151f63ce102a3582d115184b2d98578e90c4c944e11c2
