[INFO] fetching crate iget 0.1.17...
[INFO] checking iget-0.1.17 against 1.95.0 for pr-155915
[INFO] extracting crate iget 0.1.17 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate iget 0.1.17
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate iget 0.1.17
[INFO] tweaked toml for crates.io crate iget 0.1.17 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iget 0.1.17 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 193 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding reqwest v0.12.28 (available: v0.13.3)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded xerr v0.1.16
[INFO] [stderr]   Downloaded ifs v0.1.47
[INFO] [stderr]   Downloaded pipe v0.4.0
[INFO] [stderr]   Downloaded aok v0.1.18
[INFO] [stderr]   Downloaded pbar v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 01e3d4c026c6a7e907b1f38aa9a861b10e8cd2fa0c909a7328da7ee5b4a91cbf
[INFO] running `Command { std: "docker" "start" "-a" "01e3d4c026c6a7e907b1f38aa9a861b10e8cd2fa0c909a7328da7ee5b4a91cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01e3d4c026c6a7e907b1f38aa9a861b10e8cd2fa0c909a7328da7ee5b4a91cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e3d4c026c6a7e907b1f38aa9a861b10e8cd2fa0c909a7328da7ee5b4a91cbf", kill_on_drop: false }`
[INFO] [stdout] 01e3d4c026c6a7e907b1f38aa9a861b10e8cd2fa0c909a7328da7ee5b4a91cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e5ffa0cc10298b0904b50b8278931ccd313c2e64ead0a2c1dda9967a1f49e5bf
[INFO] running `Command { std: "docker" "start" "-a" "e5ffa0cc10298b0904b50b8278931ccd313c2e64ead0a2c1dda9967a1f49e5bf", kill_on_drop: false }`
[INFO] [stderr]     Checking rustls-pki-types v1.14.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling rustls v0.23.40
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking aok v0.1.18
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking xerr v0.1.16
[INFO] [stderr]     Checking coarsetime v0.1.37
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking pipe v0.4.0
[INFO] [stderr]     Checking webpki-roots v1.0.7
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking pbar v0.1.8
[INFO] [stderr]     Checking rustls-webpki v0.103.13
[INFO] [stderr]     Checking hyper v1.9.0
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking ifs v0.1.47
[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/ifs-0.1.47/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(doc_cfg)]
[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 `ifs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e5ffa0cc10298b0904b50b8278931ccd313c2e64ead0a2c1dda9967a1f49e5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ffa0cc10298b0904b50b8278931ccd313c2e64ead0a2c1dda9967a1f49e5bf", kill_on_drop: false }`
[INFO] [stdout] e5ffa0cc10298b0904b50b8278931ccd313c2e64ead0a2c1dda9967a1f49e5bf