[INFO] fetching crate rttrust 0.1.3...
[INFO] testing rttrust-0.1.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rttrust 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rttrust 0.1.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "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 genio v0.2.1
[INFO] [stderr]   Downloaded mockall v0.7.2
[INFO] [stderr]   Downloaded mockall_derive v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 595401bcf1346709b43db2d765c5c69c6f8800263c41e6867ddf53d4be3ea205
[INFO] running `Command { std: "docker" "start" "-a" "595401bcf1346709b43db2d765c5c69c6f8800263c41e6867ddf53d4be3ea205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "595401bcf1346709b43db2d765c5c69c6f8800263c41e6867ddf53d4be3ea205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595401bcf1346709b43db2d765c5c69c6f8800263c41e6867ddf53d4be3ea205", kill_on_drop: false }`
[INFO] [stdout] 595401bcf1346709b43db2d765c5c69c6f8800263c41e6867ddf53d4be3ea205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] a607c86b0e38bcbd5496541efd7571e23fd9317b208fab5bc5fffab2e8ba9c23
[INFO] running `Command { std: "docker" "start" "-a" "a607c86b0e38bcbd5496541efd7571e23fd9317b208fab5bc5fffab2e8ba9c23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling num_threads v0.1.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling genio v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling time v0.3.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling simple_logger v1.16.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[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" "a607c86b0e38bcbd5496541efd7571e23fd9317b208fab5bc5fffab2e8ba9c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a607c86b0e38bcbd5496541efd7571e23fd9317b208fab5bc5fffab2e8ba9c23", kill_on_drop: false }`
[INFO] [stdout] a607c86b0e38bcbd5496541efd7571e23fd9317b208fab5bc5fffab2e8ba9c23