[INFO] fetching crate gba-proc-macro 0.6.0...
[INFO] testing gba-proc-macro-0.6.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate gba-proc-macro 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gba-proc-macro 0.6.0 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 gba-proc-macro 0.6.0
[INFO] finished tweaking crates.io crate gba-proc-macro 0.6.0
[INFO] tweaked toml for crates.io crate gba-proc-macro 0.6.0 written to /workspace/builds/worker-1/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 873fbc78400cc69675ce2531f94a7cf89a5ec86fd12ba37f39a6a03946be3d04
[INFO] running `Command { std: "docker" "start" "-a" "873fbc78400cc69675ce2531f94a7cf89a5ec86fd12ba37f39a6a03946be3d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "873fbc78400cc69675ce2531f94a7cf89a5ec86fd12ba37f39a6a03946be3d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873fbc78400cc69675ce2531f94a7cf89a5ec86fd12ba37f39a6a03946be3d04", kill_on_drop: false }`
[INFO] [stdout] 873fbc78400cc69675ce2531f94a7cf89a5ec86fd12ba37f39a6a03946be3d04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75a6298692dc8f834e3598dbf28f7db117d6cfe61502aaaddf2b9b5f8e0d1479
[INFO] running `Command { std: "docker" "start" "-a" "75a6298692dc8f834e3598dbf28f7db117d6cfe61502aaaddf2b9b5f8e0d1479", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling gba-proc-macro v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.37s
[INFO] running `Command { std: "docker" "inspect" "75a6298692dc8f834e3598dbf28f7db117d6cfe61502aaaddf2b9b5f8e0d1479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a6298692dc8f834e3598dbf28f7db117d6cfe61502aaaddf2b9b5f8e0d1479", kill_on_drop: false }`
[INFO] [stdout] 75a6298692dc8f834e3598dbf28f7db117d6cfe61502aaaddf2b9b5f8e0d1479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04af522a3a54a655c4437d14811c7cc82144c66a199d20c0e0b1a4812f4f21c8
[INFO] running `Command { std: "docker" "start" "-a" "04af522a3a54a655c4437d14811c7cc82144c66a199d20c0e0b1a4812f4f21c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gba-proc-macro v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/the_tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_int_wrapping)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_int_wrapping`
[INFO] [stdout]  --> tests/the_tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_int_wrapping)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gba-proc-macro` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "04af522a3a54a655c4437d14811c7cc82144c66a199d20c0e0b1a4812f4f21c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04af522a3a54a655c4437d14811c7cc82144c66a199d20c0e0b1a4812f4f21c8", kill_on_drop: false }`
[INFO] [stdout] 04af522a3a54a655c4437d14811c7cc82144c66a199d20c0e0b1a4812f4f21c8