[INFO] fetching crate ref_thread_local 0.1.0...
[INFO] checking ref_thread_local-0.1.0 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate ref_thread_local 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ref_thread_local 0.1.0 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ref_thread_local 0.1.0
[INFO] finished tweaking crates.io crate ref_thread_local 0.1.0
[INFO] tweaked toml for crates.io crate ref_thread_local 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] f390b842d2f257c1f092bbf317b0650f5369ad09e665cc5bff905ddb37bc036b
[INFO] running `Command { std: "docker" "start" "-a" "f390b842d2f257c1f092bbf317b0650f5369ad09e665cc5bff905ddb37bc036b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f390b842d2f257c1f092bbf317b0650f5369ad09e665cc5bff905ddb37bc036b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f390b842d2f257c1f092bbf317b0650f5369ad09e665cc5bff905ddb37bc036b", kill_on_drop: false }`
[INFO] [stdout] f390b842d2f257c1f092bbf317b0650f5369ad09e665cc5bff905ddb37bc036b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c487000b47ff4d02bb5b2f7c92fbca42ad9e1f8a1e33fb5f4a90eea1540ab2b8
[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" "c487000b47ff4d02bb5b2f7c92fbca42ad9e1f8a1e33fb5f4a90eea1540ab2b8", kill_on_drop: false }`
[INFO] [stderr]     Checking ref_thread_local v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> tests/test.rs:128:35
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub static managed VAR: i32 = { 0 };
[INFO] [stdout]     |                                   ^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> tests/test.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | use std::sync::atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> tests/test.rs:170:36
[INFO] [stdout]     |
[INFO] [stdout] 170 | static PRE_INIT_FLAG: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c487000b47ff4d02bb5b2f7c92fbca42ad9e1f8a1e33fb5f4a90eea1540ab2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c487000b47ff4d02bb5b2f7c92fbca42ad9e1f8a1e33fb5f4a90eea1540ab2b8", kill_on_drop: false }`
[INFO] [stdout] c487000b47ff4d02bb5b2f7c92fbca42ad9e1f8a1e33fb5f4a90eea1540ab2b8