[INFO] cloning repository https://github.com/emsknock/wbear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emsknock/wbear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femsknock%2Fwbear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femsknock%2Fwbear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e0708cf2d62a5715e27d469d8cc65a97377e3e9
[INFO] checking emsknock/wbear against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femsknock%2Fwbear" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emsknock/wbear
[INFO] finished tweaking git repo https://github.com/emsknock/wbear
[INFO] tweaked toml for git repo https://github.com/emsknock/wbear written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emsknock/wbear 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 git repo https://github.com/emsknock/wbear 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1a6c97cda3f0df4837159ef3a3c022f4fbb7e05319e6e3c19f6d1bbea73d246a
[INFO] running `Command { std: "docker" "start" "-a" "1a6c97cda3f0df4837159ef3a3c022f4fbb7e05319e6e3c19f6d1bbea73d246a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6c97cda3f0df4837159ef3a3c022f4fbb7e05319e6e3c19f6d1bbea73d246a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6c97cda3f0df4837159ef3a3c022f4fbb7e05319e6e3c19f6d1bbea73d246a", kill_on_drop: false }`
[INFO] [stdout] 1a6c97cda3f0df4837159ef3a3c022f4fbb7e05319e6e3c19f6d1bbea73d246a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c2aff033b12d5ca8d8c26f2bc9269ad6dedec35fc8ddd1dda140bbe4922ad3bf
[INFO] running `Command { std: "docker" "start" "-a" "c2aff033b12d5ca8d8c26f2bc9269ad6dedec35fc8ddd1dda140bbe4922ad3bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking quote v1.0.45
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking wbear-macro v0.1.0 (/opt/rustwide/workdir/crates/wbear-macro)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/wbear-macro/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_expand)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/wbear-macro/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_expand)]
[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 `wbear-macro` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wbear-macro` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c2aff033b12d5ca8d8c26f2bc9269ad6dedec35fc8ddd1dda140bbe4922ad3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2aff033b12d5ca8d8c26f2bc9269ad6dedec35fc8ddd1dda140bbe4922ad3bf", kill_on_drop: false }`
[INFO] [stdout] c2aff033b12d5ca8d8c26f2bc9269ad6dedec35fc8ddd1dda140bbe4922ad3bf
