[INFO] fetching crate rio 0.9.4...
[INFO] checking rio-0.9.4 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate rio 0.9.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rio 0.9.4 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rio 0.9.4
[INFO] finished tweaking crates.io crate rio 0.9.4
[INFO] tweaked toml for crates.io crate rio 0.9.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate rio 0.9.4 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ada91ae51ed7eff13b89c1bbf61854bc5eeed8f4ff1ef59a64267272ea138ca1
[INFO] running `Command { std: "docker" "start" "-a" "ada91ae51ed7eff13b89c1bbf61854bc5eeed8f4ff1ef59a64267272ea138ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada91ae51ed7eff13b89c1bbf61854bc5eeed8f4ff1ef59a64267272ea138ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada91ae51ed7eff13b89c1bbf61854bc5eeed8f4ff1ef59a64267272ea138ca1", kill_on_drop: false }`
[INFO] [stdout] ada91ae51ed7eff13b89c1bbf61854bc5eeed8f4ff1ef59a64267272ea138ca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4e26f7100a4235962c6822ceb5235914f38d914aa6e47bc230153a69d6719e
[INFO] running `Command { std: "docker" "start" "-a" "6b4e26f7100a4235962c6822ceb5235914f38d914aa6e47bc230153a69d6719e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking extreme v666.666.666
[INFO] [stderr]     Checking rio v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lazy.rs:61:28
[INFO] [stdout]     |
[INFO] [stdout] 61  |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[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/lazy.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:416:37
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:474:37
[INFO] [stdout]     |
[INFO] [stdout] 474 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:416:37
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:474:37
[INFO] [stdout]     |
[INFO] [stdout] 474 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rio` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6b4e26f7100a4235962c6822ceb5235914f38d914aa6e47bc230153a69d6719e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4e26f7100a4235962c6822ceb5235914f38d914aa6e47bc230153a69d6719e", kill_on_drop: false }`
[INFO] [stdout] 6b4e26f7100a4235962c6822ceb5235914f38d914aa6e47bc230153a69d6719e
