[INFO] fetching crate gmserverplugin 2.0.1...
[INFO] testing gmserverplugin-2.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate gmserverplugin 2.0.1 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate gmserverplugin 2.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gmserverplugin 2.0.1
[INFO] finished tweaking crates.io crate gmserverplugin 2.0.1
[INFO] tweaked toml for crates.io crate gmserverplugin 2.0.1 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cstr v0.2.10
[INFO] [stderr]   Downloaded fn_abi v2.0.1
[INFO] [stderr]   Downloaded detour v0.8.1
[INFO] [stderr]   Downloaded cfg_table v1.0.0
[INFO] [stderr]   Downloaded slice-pool v0.4.1
[INFO] [stderr]   Downloaded gmod-macros v2.0.1
[INFO] [stderr]   Downloaded syn_squash v0.1.0
[INFO] [stderr]   Downloaded gmod v14.0.2
[INFO] [stderr]   Downloaded fn_has_this v0.1.1
[INFO] [stderr]   Downloaded skidscan-macros v0.1.2
[INFO] [stderr]   Downloaded null_fn v0.1.1
[INFO] [stderr]   Downloaded skidscan v2.0.0
[INFO] [stderr]   Downloaded libudis86-sys v0.2.1
[INFO] [stderr]   Downloaded mmap-fixed v0.1.5
[INFO] [stderr]   Downloaded fn_type_alias v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 446e0782da177d5d427bbb39c180860fd09a3c9526873584898c418b66d03195
[INFO] running `Command { std: "docker" "start" "-a" "446e0782da177d5d427bbb39c180860fd09a3c9526873584898c418b66d03195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446e0782da177d5d427bbb39c180860fd09a3c9526873584898c418b66d03195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446e0782da177d5d427bbb39c180860fd09a3c9526873584898c418b66d03195", kill_on_drop: false }`
[INFO] [stdout] 446e0782da177d5d427bbb39c180860fd09a3c9526873584898c418b66d03195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e131d4a6bd65329f93ba8320fd5811014ec2b763af75f5b3c6e69c89f1dc36d
[INFO] running `Command { std: "docker" "start" "-a" "8e131d4a6bd65329f93ba8320fd5811014ec2b763af75f5b3c6e69c89f1dc36d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn_squash v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling slice-pool v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg_table v1.0.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling libudis86-sys v0.2.1
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling mmap-fixed v0.1.5
[INFO] [stderr]    Compiling cstr v0.2.10
[INFO] [stderr]    Compiling detour v0.8.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/detour-0.8.1/src/lib.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   feature(const_fn_trait_bound, unboxed_closures, abi_thiscall)
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `detour` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8e131d4a6bd65329f93ba8320fd5811014ec2b763af75f5b3c6e69c89f1dc36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e131d4a6bd65329f93ba8320fd5811014ec2b763af75f5b3c6e69c89f1dc36d", kill_on_drop: false }`
[INFO] [stdout] 8e131d4a6bd65329f93ba8320fd5811014ec2b763af75f5b3c6e69c89f1dc36d