[INFO] fetching crate rttrust 0.1.3...
[INFO] testing rttrust-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rttrust 0.1.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rttrust 0.1.3 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 rttrust 0.1.3
[INFO] finished tweaking crates.io crate rttrust 0.1.3
[INFO] tweaked toml for crates.io crate rttrust 0.1.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e58cb53e456d36859ff4add5d9b062a220a13f84e4e7bec84c6d9537bc6c7691
[INFO] running `Command { std: "docker" "start" "-a" "e58cb53e456d36859ff4add5d9b062a220a13f84e4e7bec84c6d9537bc6c7691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58cb53e456d36859ff4add5d9b062a220a13f84e4e7bec84c6d9537bc6c7691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58cb53e456d36859ff4add5d9b062a220a13f84e4e7bec84c6d9537bc6c7691", kill_on_drop: false }`
[INFO] [stdout] e58cb53e456d36859ff4add5d9b062a220a13f84e4e7bec84c6d9537bc6c7691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] caae124bdf6cc926994c5ba4068dc83d70aba458e1e1ca7d5a499053a0087980
[INFO] running `Command { std: "docker" "start" "-a" "caae124bdf6cc926994c5ba4068dc83d70aba458e1e1ca7d5a499053a0087980", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling genio v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling simple_logger v1.13.0
[INFO] [stderr]    Compiling rttrust v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `simple_logger::init_by_env`: Use [`init_with_env`] instead, which does not unwrap the result. Will be removed in version 2.0.0.
[INFO] [stdout]   --> build.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     simple_logger::init_by_env();
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(clamp)]
[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:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(alloc_error_handler)]
[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:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(negative_impls)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ipc/mod.rs:136:32
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let state = self.state.compare_and_swap(state, OWEND, Ordering::SeqCst);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ipc/mod.rs:154:32
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let state = self.state.compare_and_swap(state, OWEND, Ordering::SeqCst);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rttrust` due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "caae124bdf6cc926994c5ba4068dc83d70aba458e1e1ca7d5a499053a0087980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caae124bdf6cc926994c5ba4068dc83d70aba458e1e1ca7d5a499053a0087980", kill_on_drop: false }`
[INFO] [stdout] caae124bdf6cc926994c5ba4068dc83d70aba458e1e1ca7d5a499053a0087980