[INFO] fetching crate rustmeter-beacon-target 0.2.0...
[INFO] fixing rustmeter-beacon-target-0.2.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate rustmeter-beacon-target 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rustmeter-beacon-target 0.2.0
[INFO] finished tweaking crates.io crate rustmeter-beacon-target 0.2.0
[INFO] tweaked toml for crates.io crate rustmeter-beacon-target 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustmeter-beacon-target 0.2.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustmeter-beacon-target 0.2.0 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5c967291a36be95d125da8ab7032cb040bbdac73089cd9056dc5d148d5016ce3
[INFO] running `Command { std: "docker" "start" "5c967291a36be95d125da8ab7032cb040bbdac73089cd9056dc5d148d5016ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5c967291a36be95d125da8ab7032cb040bbdac73089cd9056dc5d148d5016ce3" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c967291a36be95d125da8ab7032cb040bbdac73089cd9056dc5d148d5016ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5c967291a36be95d125da8ab7032cb040bbdac73089cd9056dc5d148d5016ce3" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling embassy-time-driver v0.2.1
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[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking void v1.0.2
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[INFO] [stderr]    Compiling portable-atomic v1.11.1
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[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling embassy-executor v0.9.1
[INFO] [stderr]    Compiling embassy-sync v0.7.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-io v0.7.1
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[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking embassy-futures v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-io-async v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking embassy-time v0.5.0
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking rustmeter-beacon-core v0.2.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling embassy-executor-macros v0.7.0
[INFO] [stderr]     Checking rustmeter-beacon-target v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0600]: cannot apply unary operator `!` to type `Option<usize>`
[INFO] [stdout]    --> src/ringbuffer.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         assert!(rb.push_slice(&[1, 2, 3]));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stdout]     |
[INFO] [stdout] note: `Option<usize>` does not implement `Not`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/option.rs:597:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Option<usize>` is defined in another crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0600]: cannot apply unary operator `!` to type `Option<usize>`
[INFO] [stdout]    --> src/ringbuffer.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |         assert!(rb.push_slice(&[4, 5, 6, 7, 8, 9]));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot apply unary operator `!`
[INFO] [stdout]     |
[INFO] [stdout] note: `Option<usize>` does not implement `Not`
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/option.rs:597:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Option<usize>` is defined in another crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/timing.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let t: u32;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0600`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustmeter-beacon-target` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/timing.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let t: u32;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleRingBuffer` is never constructed
[INFO] [stdout]  --> src/ringbuffer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SimpleRingBuffer<const N: usize> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/ringbuffer.rs:12:18
[INFO] [stdout]     |
[INFO] [stdout]  11 | impl<const N: usize> SimpleRingBuffer<N> {
[INFO] [stdout]     | ---------------------------------------- associated items in this implementation
[INFO] [stdout]  12 |     pub const fn new() -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout]  21 |     pub fn free(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub fn iter(&self) -> Chain<core::slice::Iter<'_, u8>, core::slice::Iter<'_, u8>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  44 |     pub const fn capacity(&self) -> usize {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     pub fn push_slice(&mut self, data: &[u8]) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     pub fn push_slice_fast(&mut self, data: &[u8]) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn drain(&mut self, len: usize) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn pop_slice(&mut self, out: &mut [u8]) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicRingBuffer` is never constructed
[INFO] [stdout]    --> src/ringbuffer.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct AtomicRingBuffer<const N: usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `capacity`, `push_slice_fast`, `pop_slice`, and `is_empty` are never used
[INFO] [stdout]    --> src/ringbuffer.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 149 | impl<const N: usize> AtomicRingBuffer<N> {
[INFO] [stdout]     | ---------------------------------------- associated items in this implementation
[INFO] [stdout] 150 |     pub const fn new() -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub const fn capacity(&self) -> usize {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn push_slice_fast(&mut self, data: &[u8]) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub fn pop_slice(&mut self, out: &mut [u8]) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c967291a36be95d125da8ab7032cb040bbdac73089cd9056dc5d148d5016ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c967291a36be95d125da8ab7032cb040bbdac73089cd9056dc5d148d5016ce3", kill_on_drop: false }`
[INFO] [stdout] 5c967291a36be95d125da8ab7032cb040bbdac73089cd9056dc5d148d5016ce3
