[INFO] fetching crate id-arena 2.2.1...
[INFO] checking id-arena-2.2.1 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate id-arena 2.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate id-arena 2.2.1 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate id-arena 2.2.1
[INFO] finished tweaking crates.io crate id-arena 2.2.1
[INFO] tweaked toml for crates.io crate id-arena 2.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e20fcd08db9bd465080d2d1896605a79c5bc3f7e7f693d66ef5e403413d8574
[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" "4e20fcd08db9bd465080d2d1896605a79c5bc3f7e7f693d66ef5e403413d8574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e20fcd08db9bd465080d2d1896605a79c5bc3f7e7f693d66ef5e403413d8574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e20fcd08db9bd465080d2d1896605a79c5bc3f7e7f693d66ef5e403413d8574", kill_on_drop: false }`
[INFO] [stdout] 4e20fcd08db9bd465080d2d1896605a79c5bc3f7e7f693d66ef5e403413d8574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dd74ef6941da15132ae0d98707a24c718bb6ca5f815e6d6b44feb110a8601a7
[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" "5dd74ef6941da15132ae0d98707a24c718bb6ca5f815e6d6b44feb110a8601a7", kill_on_drop: false }`
[INFO] [stderr]     Checking id-arena v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'core::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:114:45
[INFO] [stdout]     |
[INFO] [stdout] 114 | use core::sync::atomic::{self, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:114:45
[INFO] [stdout]     |
[INFO] [stdout] 114 | use core::sync::atomic::{self, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |         static ARENA_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "5dd74ef6941da15132ae0d98707a24c718bb6ca5f815e6d6b44feb110a8601a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd74ef6941da15132ae0d98707a24c718bb6ca5f815e6d6b44feb110a8601a7", kill_on_drop: false }`
[INFO] [stdout] 5dd74ef6941da15132ae0d98707a24c718bb6ca5f815e6d6b44feb110a8601a7