[INFO] fetching crate id-arena 2.2.1...
[INFO] checking id-arena-2.2.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate id-arena 2.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate id-arena 2.2.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ec67feabd9a18e0579092e876f730cd4113f8fdcdca5b5a95681ca64fca0d09
[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" "8ec67feabd9a18e0579092e876f730cd4113f8fdcdca5b5a95681ca64fca0d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ec67feabd9a18e0579092e876f730cd4113f8fdcdca5b5a95681ca64fca0d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec67feabd9a18e0579092e876f730cd4113f8fdcdca5b5a95681ca64fca0d09", kill_on_drop: false }`
[INFO] [stdout] 8ec67feabd9a18e0579092e876f730cd4113f8fdcdca5b5a95681ca64fca0d09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 7a832df768895e1802af6f110bf79ddf2534594e488e0dc35d645243921765a1
[INFO] running `Command { std: "docker" "start" "-a" "7a832df768895e1802af6f110bf79ddf2534594e488e0dc35d645243921765a1", kill_on_drop: false }`
[INFO] [stderr]     Checking id-arena v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn index(Self::Id) -> usize;
[INFO] [stdout]     |              ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn arena_id(Self::Id) -> u32;
[INFO] [stdout]     |                 ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:168:14
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn index(Self::Id) -> usize;
[INFO] [stdout]     |              ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn arena_id(Self::Id) -> u32;
[INFO] [stdout]     |                 ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Id`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "7a832df768895e1802af6f110bf79ddf2534594e488e0dc35d645243921765a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a832df768895e1802af6f110bf79ddf2534594e488e0dc35d645243921765a1", kill_on_drop: false }`
[INFO] [stdout] 7a832df768895e1802af6f110bf79ddf2534594e488e0dc35d645243921765a1