[INFO] fetching crate ref_thread_local 0.1.0...
[INFO] checking ref_thread_local-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[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 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 1d1cea5af9b0fbc5115f35a03c7a5d7329aa1353abb929a94db0cb1bf65b2bda
[INFO] running `Command { std: "docker" "start" "-a" "1d1cea5af9b0fbc5115f35a03c7a5d7329aa1353abb929a94db0cb1bf65b2bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d1cea5af9b0fbc5115f35a03c7a5d7329aa1353abb929a94db0cb1bf65b2bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1cea5af9b0fbc5115f35a03c7a5d7329aa1353abb929a94db0cb1bf65b2bda", kill_on_drop: false }`
[INFO] [stdout] 1d1cea5af9b0fbc5115f35a03c7a5d7329aa1353abb929a94db0cb1bf65b2bda
[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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--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] ef1b0141ff3a088cb4e5608e5b1fa2855db7659ecb6e1340fb9474fd57cf9467
[INFO] running `Command { std: "docker" "start" "-a" "ef1b0141ff3a088cb4e5608e5b1fa2855db7659ecb6e1340fb9474fd57cf9467", 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "ef1b0141ff3a088cb4e5608e5b1fa2855db7659ecb6e1340fb9474fd57cf9467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1b0141ff3a088cb4e5608e5b1fa2855db7659ecb6e1340fb9474fd57cf9467", kill_on_drop: false }`
[INFO] [stdout] ef1b0141ff3a088cb4e5608e5b1fa2855db7659ecb6e1340fb9474fd57cf9467