[INFO] fetching crate gmod 5.0.0...
[INFO] checking gmod-5.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate gmod 5.0.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate gmod 5.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gmod 5.0.0
[INFO] finished tweaking crates.io crate gmod 5.0.0
[INFO] tweaked toml for crates.io crate gmod 5.0.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 119ea9a5c8ebe7a4f852f05d61a3d583bace908c8727d454766e65259c296717
[INFO] running `Command { std: "docker" "start" "-a" "119ea9a5c8ebe7a4f852f05d61a3d583bace908c8727d454766e65259c296717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "119ea9a5c8ebe7a4f852f05d61a3d583bace908c8727d454766e65259c296717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119ea9a5c8ebe7a4f852f05d61a3d583bace908c8727d454766e65259c296717", kill_on_drop: false }`
[INFO] [stdout] 119ea9a5c8ebe7a4f852f05d61a3d583bace908c8727d454766e65259c296717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e9ad5d6f782be509a8148d87af01ec5f4201af5c736b6957436ff8876de7597
[INFO] running `Command { std: "docker" "start" "-a" "5e9ad5d6f782be509a8148d87af01ec5f4201af5c736b6957436ff8876de7597", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn_squash v0.1.0
[INFO] [stderr]     Checking slice-pool v0.4.1
[INFO] [stderr]     Checking cfg_table v0.1.1
[INFO] [stderr]    Compiling libudis86-sys v0.2.1
[INFO] [stderr]     Checking libloading v0.7.1
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking mmap-fixed v0.1.5
[INFO] [stderr]    Compiling cstr v0.2.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling null_fn v0.1.1
[INFO] [stderr]    Compiling gmod-macros v0.1.0
[INFO] [stderr]    Compiling fn_type_alias v0.1.0
[INFO] [stderr]    Compiling fn_has_this v0.1.1
[INFO] [stderr]    Compiling fn_abi v2.0.1
[INFO] [stderr]     Checking 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] [stderr]    Compiling thiserror v1.0.30
[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" "5e9ad5d6f782be509a8148d87af01ec5f4201af5c736b6957436ff8876de7597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9ad5d6f782be509a8148d87af01ec5f4201af5c736b6957436ff8876de7597", kill_on_drop: false }`
[INFO] [stdout] 5e9ad5d6f782be509a8148d87af01ec5f4201af5c736b6957436ff8876de7597
