[INFO] fetching crate crossfire 0.1.7...
[INFO] checking crossfire-0.1.7 against 1.55.0 for beta-1.56-3
[INFO] extracting crate crossfire 0.1.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate crossfire 0.1.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crossfire 0.1.7
[INFO] finished tweaking crates.io crate crossfire 0.1.7
[INFO] tweaked toml for crates.io crate crossfire 0.1.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91f2c2801c362680df984dc7e29668b7e1c52035e7327c6f0de1a62df94d342c
[INFO] running `Command { std: "docker" "start" "-a" "91f2c2801c362680df984dc7e29668b7e1c52035e7327c6f0de1a62df94d342c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91f2c2801c362680df984dc7e29668b7e1c52035e7327c6f0de1a62df94d342c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f2c2801c362680df984dc7e29668b7e1c52035e7327c6f0de1a62df94d342c", kill_on_drop: false }`
[INFO] [stdout] 91f2c2801c362680df984dc7e29668b7e1c52035e7327c6f0de1a62df94d342c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca0b974c7dbcf50dbc28734a8a384412a1ecaef9b720eab7f495a75f819fe1d6
[INFO] running `Command { std: "docker" "start" "-a" "ca0b974c7dbcf50dbc28734a8a384412a1ecaef9b720eab7f495a75f819fe1d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking crossfire v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/channel/locked_waker.rs:1:59
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Weak, atomic::{AtomicBool, Ordering, spin_loop_hint}};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/channel/locked_waker.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             spin_loop_hint();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/channel/locked_waker.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             spin_loop_hint();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/channel/locked_waker.rs:1:59
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Weak, atomic::{AtomicBool, Ordering, spin_loop_hint}};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/channel/locked_waker.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             spin_loop_hint();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/channel/locked_waker.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             spin_loop_hint();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_wakers`
[INFO] [stdout]    --> src/mpmc/unbounded.rs:278:34
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...                   let (tx_wakers, rx_wakers) = rx_f.get_waker_length();
[INFO] [stdout]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_wakers`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx_wakers`
[INFO] [stdout]    --> src/mpmc/unbounded.rs:278:45
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...                   let (tx_wakers, rx_wakers) = rx_f.get_waker_length();
[INFO] [stdout]     |                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_wakers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.65s
[INFO] running `Command { std: "docker" "inspect" "ca0b974c7dbcf50dbc28734a8a384412a1ecaef9b720eab7f495a75f819fe1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0b974c7dbcf50dbc28734a8a384412a1ecaef9b720eab7f495a75f819fe1d6", kill_on_drop: false }`
[INFO] [stdout] ca0b974c7dbcf50dbc28734a8a384412a1ecaef9b720eab7f495a75f819fe1d6
