[INFO] fetching crate cntrlr 0.1.0...
[INFO] testing cntrlr-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cntrlr 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cntrlr 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cntrlr 0.1.0
[INFO] finished tweaking crates.io crate cntrlr 0.1.0
[INFO] tweaked toml for crates.io crate cntrlr 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cntrlr 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `resolver` has been stabilized in the 1.51 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/resolver.html#resolver-versions for more information about using this feature.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cntrlr-build v0.1.0
[INFO] [stderr]   Downloaded cntrlr-macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b190cfd991cf53c905836de06e371ac949ee0b223859360dbacdbfd614c47ffe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b190cfd991cf53c905836de06e371ac949ee0b223859360dbacdbfd614c47ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b190cfd991cf53c905836de06e371ac949ee0b223859360dbacdbfd614c47ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b190cfd991cf53c905836de06e371ac949ee0b223859360dbacdbfd614c47ffe", kill_on_drop: false }`
[INFO] [stdout] b190cfd991cf53c905836de06e371ac949ee0b223859360dbacdbfd614c47ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf644ea0934f762dbb4e0f3294ed0f62688dec5be221832841e2d417947c52f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edf644ea0934f762dbb4e0f3294ed0f62688dec5be221832841e2d417947c52f", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `resolver` has been stabilized in the 1.51 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/resolver.html#resolver-versions for more information about using this feature.
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling cntrlr-build v0.1.0
[INFO] [stderr]    Compiling cntrlr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: CNTRLR_BOARD not specified or target is incompatible with selected board
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling cntrlr-macros v0.1.0
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arch`
[INFO] [stdout]    --> src/sync.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |             if !arch::interrupts_enabled() {
[INFO] [stdout]     |                 ^^^^ use of undeclared crate or module `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arch`
[INFO] [stdout]    --> src/sync.rs:293:21
[INFO] [stdout]     |
[INFO] [stdout] 293 |                     arch::enable_interrupts();
[INFO] [stdout]     |                     ^^^^ use of undeclared crate or module `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arch`
[INFO] [stdout]    --> src/sync.rs:301:16
[INFO] [stdout]     |
[INFO] [stdout] 301 |             if arch::interrupts_enabled() {
[INFO] [stdout]     |                ^^^^ use of undeclared crate or module `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arch`
[INFO] [stdout]    --> src/sync.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 arch::disable_interrupts();
[INFO] [stdout]     |                 ^^^^ use of undeclared crate or module `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / #![feature(
[INFO] [stdout] 34 | |     alloc_error_handler,
[INFO] [stdout] 35 | |     asm,
[INFO] [stdout] 36 | |     cfg_target_has_atomic,
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |     type_alias_impl_trait
[INFO] [stdout] 42 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![cfg_attr(feature = "doc-cfg", feature(doc_cfg))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::DerefMut`
[INFO] [stdout]  --> src/io.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::{fmt::Debug, future::Future, ops::DerefMut};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::future::Future`
[INFO] [stdout]  --> src/time.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: CNTRLR_BOARD not specified or target is incompatible with selected board
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cntrlr` due to 7 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "edf644ea0934f762dbb4e0f3294ed0f62688dec5be221832841e2d417947c52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf644ea0934f762dbb4e0f3294ed0f62688dec5be221832841e2d417947c52f", kill_on_drop: false }`
[INFO] [stdout] edf644ea0934f762dbb4e0f3294ed0f62688dec5be221832841e2d417947c52f