[INFO] fetching crate rc-dlist-deque 1.0.0...
[INFO] testing rc-dlist-deque-1.0.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate rc-dlist-deque 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rc-dlist-deque 1.0.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc-dlist-deque 1.0.0
[INFO] finished tweaking crates.io crate rc-dlist-deque 1.0.0
[INFO] tweaked toml for crates.io crate rc-dlist-deque 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c30045a3999c4eec8af01924259f9e84f739843a6e08fd73e8f8b11db6d73033
[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" "c30045a3999c4eec8af01924259f9e84f739843a6e08fd73e8f8b11db6d73033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30045a3999c4eec8af01924259f9e84f739843a6e08fd73e8f8b11db6d73033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30045a3999c4eec8af01924259f9e84f739843a6e08fd73e8f8b11db6d73033", kill_on_drop: false }`
[INFO] [stdout] c30045a3999c4eec8af01924259f9e84f739843a6e08fd73e8f8b11db6d73033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77e34d8cd39234f45c37727efad1a9d03cfc08837498177a882dfa8050cb90cd
[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" "77e34d8cd39234f45c37727efad1a9d03cfc08837498177a882dfa8050cb90cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-dlist-deque v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/dlist/mod.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[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/dlist/mod.rs:248:26
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stdout]     |                          ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "77e34d8cd39234f45c37727efad1a9d03cfc08837498177a882dfa8050cb90cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e34d8cd39234f45c37727efad1a9d03cfc08837498177a882dfa8050cb90cd", kill_on_drop: false }`
[INFO] [stdout] 77e34d8cd39234f45c37727efad1a9d03cfc08837498177a882dfa8050cb90cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--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] e9cecb07e91377343211a1af081682c6ef265e2943bc1107c57646458672811b
[INFO] running `Command { std: "docker" "start" "-a" "e9cecb07e91377343211a1af081682c6ef265e2943bc1107c57646458672811b", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/dlist/mod.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[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] [stderr]    Compiling rc-dlist-deque v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/dlist/mod.rs:248:26
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stdout]     |                          ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/dlist/mod.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[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/dlist/mod.rs:248:26
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stdout]     |                          ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "e9cecb07e91377343211a1af081682c6ef265e2943bc1107c57646458672811b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cecb07e91377343211a1af081682c6ef265e2943bc1107c57646458672811b", kill_on_drop: false }`
[INFO] [stdout] e9cecb07e91377343211a1af081682c6ef265e2943bc1107c57646458672811b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d32fb0171a724757b4c6b9d501545e3a2a60f1ecd8eec4b85ec3663f957a166a
[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" "d32fb0171a724757b4c6b9d501545e3a2a60f1ecd8eec4b85ec3663f957a166a", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/dlist/mod.rs:248:13
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stderr]     |             ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/dlist/mod.rs:248:26
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stderr]     |                          ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/dlist/mod.rs:248:13
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stderr]     |             ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/dlist/mod.rs:248:26
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn link(&Self::Node, Self) -> &Link<Self::Node, Self>;
[INFO] [stderr]     |                          ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc_dlist_deque-0a711f423f80df44)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test dlist::test::construct_1 ... ok
[INFO] [stdout] test dlist::test::cursor ... ok
[INFO] [stdout] test dlist::test::first_last ... ok
[INFO] [stdout] test dlist::test::iter ... ok
[INFO] [stdout] test dlist::test::ptr_eq ... ok
[INFO] [stdout] test dlist::test::pop_at ... ok
[INFO] [stdout] test dlist::test::push_at ... ok
[INFO] [stdout] test dlist::test::remove ... ok
[INFO] [stdout] test dlist::test::insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rc-dlist-deque
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d32fb0171a724757b4c6b9d501545e3a2a60f1ecd8eec4b85ec3663f957a166a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32fb0171a724757b4c6b9d501545e3a2a60f1ecd8eec4b85ec3663f957a166a", kill_on_drop: false }`
[INFO] [stdout] d32fb0171a724757b4c6b9d501545e3a2a60f1ecd8eec4b85ec3663f957a166a