[INFO] fetching crate bbnf-analysis 0.1.1...
[INFO] checking bbnf-analysis-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate bbnf-analysis 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate bbnf-analysis 0.1.1
[INFO] finished tweaking crates.io crate bbnf-analysis 0.1.1
[INFO] tweaked toml for crates.io crate bbnf-analysis 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bbnf-analysis 0.1.1 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-analysis 0.1.1 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]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding bbnf v0.2.9
[INFO] [stderr]       Adding bbnf-ir v0.1.5
[INFO] [stderr]       Adding crossbeam-deque v0.8.6
[INFO] [stderr]       Adding crossbeam-epoch v0.9.18
[INFO] [stderr]       Adding crossbeam-utils v0.8.21
[INFO] [stderr]       Adding either v1.15.0
[INFO] [stderr]       Adding parse_that v0.3.3
[INFO] [stderr]       Adding pprint v0.3.6
[INFO] [stderr]       Adding pprint_derive v0.2.2
[INFO] [stderr]       Adding rayon v1.12.0
[INFO] [stderr]       Adding rayon-core v1.13.0
[INFO] [stderr]       Adding smallbox v0.8.8
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pprint_derive v0.2.2
[INFO] [stderr]   Downloaded smallbox v0.8.8
[INFO] [stderr]   Downloaded pprint v0.3.6
[INFO] [stderr]   Downloaded bbnf-ir v0.1.5
[INFO] [stderr]   Downloaded bbnf v0.2.9
[INFO] [stderr]   Downloaded parse_that v0.3.3
[INFO] [stderr]   Downloaded dragonbox v0.1.12
[INFO] [stderr]   Downloaded ls-types v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 39209ea19e1d9ac7d671f4e2672f1c043a84018e3b454a0062f455315e1355d3
[INFO] running `Command { std: "docker" "start" "-a" "39209ea19e1d9ac7d671f4e2672f1c043a84018e3b454a0062f455315e1355d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39209ea19e1d9ac7d671f4e2672f1c043a84018e3b454a0062f455315e1355d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39209ea19e1d9ac7d671f4e2672f1c043a84018e3b454a0062f455315e1355d3", kill_on_drop: false }`
[INFO] [stdout] 39209ea19e1d9ac7d671f4e2672f1c043a84018e3b454a0062f455315e1355d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c6c5c0f54a7f6e6848e6e736c1d8a1138b9d24ae44caec849165e77d3397fd78
[INFO] running `Command { std: "docker" "start" "-a" "c6c5c0f54a7f6e6848e6e736c1d8a1138b9d24ae44caec849165e77d3397fd78", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling dragonbox v0.1.12
[INFO] [stderr]    Compiling smallbox v0.8.8
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking itoap v1.0.1
[INFO] [stderr]     Checking borrow-or-share v0.2.4
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]     Checking self_cell v1.2.2
[INFO] [stderr]     Checking rmp v0.8.15
[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] running `Command { std: "docker" "inspect" "c6c5c0f54a7f6e6848e6e736c1d8a1138b9d24ae44caec849165e77d3397fd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c5c0f54a7f6e6848e6e736c1d8a1138b9d24ae44caec849165e77d3397fd78", kill_on_drop: false }`
[INFO] [stdout] c6c5c0f54a7f6e6848e6e736c1d8a1138b9d24ae44caec849165e77d3397fd78
