[INFO] fetching crate axiom 0.2.1...
[INFO] checking axiom-0.2.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate axiom 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate axiom 0.2.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-5-tc1/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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76344a5ea706eab5ced892a14378309e53508e16ebc3a25b05e54b150b090a81
[INFO] running `Command { std: "docker" "start" "-a" "76344a5ea706eab5ced892a14378309e53508e16ebc3a25b05e54b150b090a81", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d36ac446fd269627febcfe28adc0978c8b556341b6d53a36ef7688a133abbae3
[INFO] running `Command { std: "docker" "start" "-a" "d36ac446fd269627febcfe28adc0978c8b556341b6d53a36ef7688a133abbae3", kill_on_drop: false }`
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[INFO] [stderr]     Checking axiom v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]   --> src/actors.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::marker::{Send, Sync};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Send` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]   --> src/actors.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::marker::{Send, Sync};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[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: the item `Send` is imported redundantly
[INFO] [stdout]   --> src/actors.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::marker::{Send, Sync};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Send` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]   --> src/actors.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::marker::{Send, Sync};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ShutdownResult` is imported redundantly
[INFO] [stdout]    --> src/executor.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     use crate::executor::ShutdownResult;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 418 |     use crate::prelude::*;
[INFO] [stdout]     |         ----------------- the item `ShutdownResult` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thread` is imported redundantly
[INFO] [stdout]    --> src/system.rs:860:9
[INFO] [stdout]     |
[INFO] [stdout] 856 |     use super::*;
[INFO] [stdout]     |         -------- the item `thread` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 860 |     use std::thread;
[INFO] [stdout]     |         ^^^^^^^^^^^
[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; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `axiom` (lib) due to 2 previous errors; 4 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; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `axiom` (lib test) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d36ac446fd269627febcfe28adc0978c8b556341b6d53a36ef7688a133abbae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d36ac446fd269627febcfe28adc0978c8b556341b6d53a36ef7688a133abbae3", kill_on_drop: false }`
[INFO] [stdout] d36ac446fd269627febcfe28adc0978c8b556341b6d53a36ef7688a133abbae3
