[INFO] fetching crate axiom 0.2.1...
[INFO] checking axiom-0.2.1 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate axiom 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate axiom 0.2.1 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axiom 0.2.1
[INFO] finished tweaking crates.io crate axiom 0.2.1
[INFO] tweaked toml for crates.io crate axiom 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate axiom 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 215481d2fb1bf54c2e3285ecec97c308a50b92e9f3df6758745d38c5f9ec026f
[INFO] running `Command { std: "docker" "start" "-a" "215481d2fb1bf54c2e3285ecec97c308a50b92e9f3df6758745d38c5f9ec026f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "215481d2fb1bf54c2e3285ecec97c308a50b92e9f3df6758745d38c5f9ec026f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215481d2fb1bf54c2e3285ecec97c308a50b92e9f3df6758745d38c5f9ec026f", kill_on_drop: false }`
[INFO] [stdout] 215481d2fb1bf54c2e3285ecec97c308a50b92e9f3df6758745d38c5f9ec026f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fee3b5a150e80e14d5e5f2211ff72b5a15c119dd97839085d5e612b64cea1c5b
[INFO] running `Command { std: "docker" "start" "-a" "fee3b5a150e80e14d5e5f2211ff72b5a15c119dd97839085d5e612b64cea1c5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling rand v0.7.2
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[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking num_cpus v1.11.1
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[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking itoa v0.4.4
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[INFO] [stderr]     Checking secc v0.0.10
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking dashmap v1.2.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking axiom v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/system.rs:335:14
[INFO] [stdout]     |
[INFO] [stdout] 335 |             .compare_and_swap(false, true, Ordering::Relaxed)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `address`, `sender`, `receiver`, `tx_handle`, and `rx_handle` are never read
[INFO] [stdout]   --> src/cluster.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct ConnectionData {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub address: SocketAddr,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 32 |     /// The sender used to send wire messages to the connected actor system.
[INFO] [stdout] 33 |     pub sender: SeccSender<WireMessage>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 34 |     /// The receiver used to send wire messages to the connected actor system.
[INFO] [stdout] 35 |     pub receiver: SeccReceiver<WireMessage>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     /// A join handle for the thread managing the transmitting.
[INFO] [stdout] 37 |     pub tx_handle: JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 38 |     /// A join handle for the thread managing the receiving.
[INFO] [stdout] 39 |     pub rx_handle: JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/system.rs:375:29
[INFO] [stdout]     |
[INFO] [stdout] 375 |                         let _ = condvar.wait(data).unwrap();
[INFO] [stdout]     |                             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 375 |                         let _unused = condvar.wait(data).unwrap();
[INFO] [stdout]     |                             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 375 |                         drop(condvar.wait(data).unwrap());
[INFO] [stdout]     |                         ~~~~~                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `axiom` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/system.rs:335:14
[INFO] [stdout]     |
[INFO] [stdout] 335 |             .compare_and_swap(false, true, Ordering::Relaxed)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `address`, `sender`, `receiver`, `tx_handle`, and `rx_handle` are never read
[INFO] [stdout]   --> src/cluster.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct ConnectionData {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub address: SocketAddr,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 32 |     /// The sender used to send wire messages to the connected actor system.
[INFO] [stdout] 33 |     pub sender: SeccSender<WireMessage>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 34 |     /// The receiver used to send wire messages to the connected actor system.
[INFO] [stdout] 35 |     pub receiver: SeccReceiver<WireMessage>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     /// A join handle for the thread managing the transmitting.
[INFO] [stdout] 37 |     pub tx_handle: JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 38 |     /// A join handle for the thread managing the receiving.
[INFO] [stdout] 39 |     pub rx_handle: JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/system.rs:375:29
[INFO] [stdout]     |
[INFO] [stdout] 375 |                         let _ = condvar.wait(data).unwrap();
[INFO] [stdout]     |                             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 375 |                         let _unused = condvar.wait(data).unwrap();
[INFO] [stdout]     |                             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 375 |                         drop(condvar.wait(data).unwrap());
[INFO] [stdout]     |                         ~~~~~                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `axiom` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fee3b5a150e80e14d5e5f2211ff72b5a15c119dd97839085d5e612b64cea1c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee3b5a150e80e14d5e5f2211ff72b5a15c119dd97839085d5e612b64cea1c5b", kill_on_drop: false }`
[INFO] [stdout] fee3b5a150e80e14d5e5f2211ff72b5a15c119dd97839085d5e612b64cea1c5b
