[INFO] fetching crate asciimath-unicode 0.2.0...
[INFO] checking asciimath-unicode-0.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate asciimath-unicode 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate asciimath-unicode 0.2.0
[INFO] finished tweaking crates.io crate asciimath-unicode 0.2.0
[INFO] tweaked toml for crates.io crate asciimath-unicode 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate asciimath-unicode 0.2.0 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 asciimath-unicode 0.2.0 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 qp-trie v0.8.2
[INFO] [stderr]   Downloaded emojis v0.8.0
[INFO] [stderr]   Downloaded asciimath-parser v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ab5e9208ec995b3b94b8aa8f378e81441a99149fbde84068e1e16e43868193cd
[INFO] running `Command { std: "docker" "start" "-a" "ab5e9208ec995b3b94b8aa8f378e81441a99149fbde84068e1e16e43868193cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5e9208ec995b3b94b8aa8f378e81441a99149fbde84068e1e16e43868193cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5e9208ec995b3b94b8aa8f378e81441a99149fbde84068e1e16e43868193cd", kill_on_drop: false }`
[INFO] [stdout] ab5e9208ec995b3b94b8aa8f378e81441a99149fbde84068e1e16e43868193cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fdc21fc601d4c41e9372a2ff2fa0efb4969d23f63bf95d1dcce9021ca0b8c979
[INFO] running `Command { std: "docker" "start" "-a" "fdc21fc601d4c41e9372a2ff2fa0efb4969d23f63bf95d1dcce9021ca0b8c979", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking qp-trie v0.8.2
[INFO] [stderr]     Checking emojis v0.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking asciimath-parser v0.1.2
[INFO] [stderr]     Checking asciimath-unicode v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/maps.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `asciimath-unicode` (bench "maps") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fdc21fc601d4c41e9372a2ff2fa0efb4969d23f63bf95d1dcce9021ca0b8c979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc21fc601d4c41e9372a2ff2fa0efb4969d23f63bf95d1dcce9021ca0b8c979", kill_on_drop: false }`
[INFO] [stdout] fdc21fc601d4c41e9372a2ff2fa0efb4969d23f63bf95d1dcce9021ca0b8c979
