[INFO] fetching crate dangerous 0.9.0...
[INFO] building dangerous-0.9.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate dangerous 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dangerous 0.9.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dangerous 0.9.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dangerous 0.9.0
[INFO] tweaked toml for crates.io crate dangerous 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate dangerous 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imap-proto v0.12.2
[INFO] [stderr]   Downloaded aliasable v0.1.3
[INFO] [stderr]   Downloaded zc-derive v0.4.0
[INFO] [stderr]   Downloaded zc v0.4.0
[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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac496229ed1c98ad34063c88c6fc8f0c9978efe1838a4405b3a5ec87f16d4cc2
[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" "ac496229ed1c98ad34063c88c6fc8f0c9978efe1838a4405b3a5ec87f16d4cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac496229ed1c98ad34063c88c6fc8f0c9978efe1838a4405b3a5ec87f16d4cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac496229ed1c98ad34063c88c6fc8f0c9978efe1838a4405b3a5ec87f16d4cc2", kill_on_drop: false }`
[INFO] [stdout] ac496229ed1c98ad34063c88c6fc8f0c9978efe1838a4405b3a5ec87f16d4cc2
[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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07ba8b5e3b6b3cb681c37a1c14e5937b3c037feaca14f1eaad389366b878af5d
[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" "07ba8b5e3b6b3cb681c37a1c14e5937b3c037feaca14f1eaad389366b878af5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bytecount v0.6.0
[INFO] [stderr]    Compiling dangerous v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     rustdoc,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(rust_2018_idioms) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 50 |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forbidden_lint_groups)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(rust_2018_idioms) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 50 |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "07ba8b5e3b6b3cb681c37a1c14e5937b3c037feaca14f1eaad389366b878af5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ba8b5e3b6b3cb681c37a1c14e5937b3c037feaca14f1eaad389366b878af5d", kill_on_drop: false }`
[INFO] [stdout] 07ba8b5e3b6b3cb681c37a1c14e5937b3c037feaca14f1eaad389366b878af5d
[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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6b7f11119b9da73ef04581316b10d2e2986fea473b2f82cfa0978cba1c47cd4
[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" "d6b7f11119b9da73ef04581316b10d2e2986fea473b2f82cfa0978cba1c47cd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     rustdoc,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(rust_2018_idioms) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 50 |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forbidden_lint_groups)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(rust_2018_idioms) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 50 |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]    Compiling colored-diff v0.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling zc-derive v0.4.0
[INFO] [stderr]    Compiling imap-proto v0.12.2
[INFO] [stderr]    Compiling zc v0.4.0
[INFO] [stderr]    Compiling dangerous v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/test_reader.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let c = Any::downcast_ref::<CoreOperation>(c.operation().as_any());
[INFO] [stdout]    |                 ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     rustdoc,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(rust_2018_idioms) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 50 |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forbidden_lint_groups)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(rust_2018_idioms) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 50 |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.25s
[INFO] running `Command { std: "docker" "inspect" "d6b7f11119b9da73ef04581316b10d2e2986fea473b2f82cfa0978cba1c47cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b7f11119b9da73ef04581316b10d2e2986fea473b2f82cfa0978cba1c47cd4", kill_on_drop: false }`
[INFO] [stdout] d6b7f11119b9da73ef04581316b10d2e2986fea473b2f82cfa0978cba1c47cd4
