[INFO] fetching crate pflock 0.1.3...
[INFO] testing pflock-0.1.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate pflock 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pflock 0.1.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pflock 0.1.3
[INFO] finished tweaking crates.io crate pflock 0.1.3
[INFO] tweaked toml for crates.io crate pflock 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6501d86b06448dbf696fcff4907ed02c19f51c0c5beabad8b4083ad342837e30
[INFO] running `Command { std: "docker" "start" "-a" "6501d86b06448dbf696fcff4907ed02c19f51c0c5beabad8b4083ad342837e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6501d86b06448dbf696fcff4907ed02c19f51c0c5beabad8b4083ad342837e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6501d86b06448dbf696fcff4907ed02c19f51c0c5beabad8b4083ad342837e30", kill_on_drop: false }`
[INFO] [stdout] 6501d86b06448dbf696fcff4907ed02c19f51c0c5beabad8b4083ad342837e30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff72aa63f801d8af0abaaf2a7b4d6997d85d4d620fabcc5014d835da70b24618
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff72aa63f801d8af0abaaf2a7b4d6997d85d4d620fabcc5014d835da70b24618", kill_on_drop: false }`
[INFO] [stderr]    Compiling pflock v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 | use std::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[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/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             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/lib.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             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/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "ff72aa63f801d8af0abaaf2a7b4d6997d85d4d620fabcc5014d835da70b24618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff72aa63f801d8af0abaaf2a7b4d6997d85d4d620fabcc5014d835da70b24618", kill_on_drop: false }`
[INFO] [stdout] ff72aa63f801d8af0abaaf2a7b4d6997d85d4d620fabcc5014d835da70b24618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab0303538198f8219f9565ec24748913f84cd79ab983df00d3ef7fc92b623ef1
[INFO] running `Command { std: "docker" "start" "-a" "ab0303538198f8219f9565ec24748913f84cd79ab983df00d3ef7fc92b623ef1", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 | use std::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[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/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             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/lib.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             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/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pflock v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/read_write.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(div_duration)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pflock`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 | use std::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[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/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             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/lib.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             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/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ab0303538198f8219f9565ec24748913f84cd79ab983df00d3ef7fc92b623ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0303538198f8219f9565ec24748913f84cd79ab983df00d3ef7fc92b623ef1", kill_on_drop: false }`
[INFO] [stdout] ab0303538198f8219f9565ec24748913f84cd79ab983df00d3ef7fc92b623ef1
