[INFO] fetching crate id-arena 2.2.1...
[INFO] checking id-arena-2.2.1 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[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 db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08601cff89e0d86b21c9898f3d96fb65a903c0b2d682ce3ddc1e050bb5258140
[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" "08601cff89e0d86b21c9898f3d96fb65a903c0b2d682ce3ddc1e050bb5258140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08601cff89e0d86b21c9898f3d96fb65a903c0b2d682ce3ddc1e050bb5258140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08601cff89e0d86b21c9898f3d96fb65a903c0b2d682ce3ddc1e050bb5258140", kill_on_drop: false }`
[INFO] [stdout] 08601cff89e0d86b21c9898f3d96fb65a903c0b2d682ce3ddc1e050bb5258140
[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" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8087f74c71d26daffaed11db76f3ed7a8b388f800663106d7c9acc8cd9c4fecc
[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" "8087f74c71d26daffaed11db76f3ed7a8b388f800663106d7c9acc8cd9c4fecc", kill_on_drop: false }`
[INFO] [stderr]     Checking id-arena v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `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 constant `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 constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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 constant `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 constant: `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 0.85s
[INFO] running `Command { std: "docker" "inspect" "8087f74c71d26daffaed11db76f3ed7a8b388f800663106d7c9acc8cd9c4fecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8087f74c71d26daffaed11db76f3ed7a8b388f800663106d7c9acc8cd9c4fecc", kill_on_drop: false }`
[INFO] [stdout] 8087f74c71d26daffaed11db76f3ed7a8b388f800663106d7c9acc8cd9c4fecc