[INFO] fetching crate pi_phf_map 0.2.3...
[INFO] checking pi_phf_map-0.2.3 against 1.95.0 for pr-155915
[INFO] extracting crate pi_phf_map 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate pi_phf_map 0.2.3
[INFO] finished tweaking crates.io crate pi_phf_map 0.2.3
[INFO] tweaked toml for crates.io crate pi_phf_map 0.2.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_phf_map 0.2.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding fixedbitset v0.4.2 (available: v0.5.7)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[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 pi_wy_rng v0.1.0
[INFO] [stderr]   Downloaded pi_null v0.1.12
[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] e0240474a454f5d848132259f92cafa9ff20c6c3cdb8df51ee3ce78b8ffeb9c5
[INFO] running `Command { std: "docker" "start" "-a" "e0240474a454f5d848132259f92cafa9ff20c6c3cdb8df51ee3ce78b8ffeb9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0240474a454f5d848132259f92cafa9ff20c6c3cdb8df51ee3ce78b8ffeb9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0240474a454f5d848132259f92cafa9ff20c6c3cdb8df51ee3ce78b8ffeb9c5", kill_on_drop: false }`
[INFO] [stdout] e0240474a454f5d848132259f92cafa9ff20c6c3cdb8df51ee3ce78b8ffeb9c5
[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] b8f5d247099bd538deb8d1b402c9a50e4c8dd65aa03a978573604cb73b88126f
[INFO] running `Command { std: "docker" "start" "-a" "b8f5d247099bd538deb8d1b402c9a50e4c8dd65aa03a978573604cb73b88126f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking pi_null v0.1.12
[INFO] [stderr]     Checking zerocopy v0.8.48
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking pi_wy_rng 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/pi_wy_rng-0.1.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `exclusive_range_pattern` has been stable since `1.80.0` and no longer requires an attribute to enable
[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_wy_rng` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b8f5d247099bd538deb8d1b402c9a50e4c8dd65aa03a978573604cb73b88126f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f5d247099bd538deb8d1b402c9a50e4c8dd65aa03a978573604cb73b88126f", kill_on_drop: false }`
[INFO] [stdout] b8f5d247099bd538deb8d1b402c9a50e4c8dd65aa03a978573604cb73b88126f