[INFO] fetching crate pi_sinfo 0.5.1...
[INFO] testing pi_sinfo-0.5.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate pi_sinfo 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pi_sinfo 0.5.1
[INFO] finished tweaking crates.io crate pi_sinfo 0.5.1
[INFO] tweaked toml for crates.io crate pi_sinfo 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_sinfo 0.5.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pi_sinfo 0.5.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded pi_null v0.1.11
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded pi_share v0.5.2
[INFO] [stderr]   Downloaded pi_atom v0.6.1
[INFO] [stderr]   Downloaded bytes v1.5.0
[INFO] [stderr]   Downloaded lock_api v0.4.11
[INFO] [stderr]   Downloaded redox_syscall v0.4.1
[INFO] [stderr]   Downloaded smallvec v1.13.1
[INFO] [stderr]   Downloaded num-bigint v0.4.4
[INFO] [stderr]   Downloaded pi_bon v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.152
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68ae17a8201e8b56c53c6126e88010e172030910a80fd89953f7837e0730341b
[INFO] running `Command { std: "docker" "start" "-a" "68ae17a8201e8b56c53c6126e88010e172030910a80fd89953f7837e0730341b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68ae17a8201e8b56c53c6126e88010e172030910a80fd89953f7837e0730341b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ae17a8201e8b56c53c6126e88010e172030910a80fd89953f7837e0730341b", kill_on_drop: false }`
[INFO] [stdout] 68ae17a8201e8b56c53c6126e88010e172030910a80fd89953f7837e0730341b
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7bd6896a375c918a1ff4c1a52f2c4b96c474ae534c3b8f3e5d1ee056a9035ad
[INFO] running `Command { std: "docker" "start" "-a" "e7bd6896a375c918a1ff4c1a52f2c4b96c474ae534c3b8f3e5d1ee056a9035ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling pi_null v0.1.11
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling smol_str v0.2.2
[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/pi_null-0.1.11/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(strict_provenance)]
[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 `pi_null` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e7bd6896a375c918a1ff4c1a52f2c4b96c474ae534c3b8f3e5d1ee056a9035ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bd6896a375c918a1ff4c1a52f2c4b96c474ae534c3b8f3e5d1ee056a9035ad", kill_on_drop: false }`
[INFO] [stdout] e7bd6896a375c918a1ff4c1a52f2c4b96c474ae534c3b8f3e5d1ee056a9035ad