[INFO] fetching crate dangerous 0.9.0...
[INFO] checking dangerous-0.9.0 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate dangerous 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dangerous 0.9.0 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-8/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3de853e7735ee8a7fd0ec23213b1dcceec2c3d89c5ef500e537c73be5467bcca
[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" "3de853e7735ee8a7fd0ec23213b1dcceec2c3d89c5ef500e537c73be5467bcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3de853e7735ee8a7fd0ec23213b1dcceec2c3d89c5ef500e537c73be5467bcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de853e7735ee8a7fd0ec23213b1dcceec2c3d89c5ef500e537c73be5467bcca", kill_on_drop: false }`
[INFO] [stdout] 3de853e7735ee8a7fd0ec23213b1dcceec2c3d89c5ef500e537c73be5467bcca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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] 27365c70365c9b1c8523d26f608edbb5d08e76d1457247779cf65486bc166309
[INFO] running `Command { std: "docker" "start" "-a" "27365c70365c9b1c8523d26f608edbb5d08e76d1457247779cf65486bc166309", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking dangerous v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indoc v1.0.3
[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] [stderr]     Checking colored-diff v0.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking imap-proto v0.12.2
[INFO] [stderr]    Compiling zc-derive v0.4.0
[INFO] [stderr]     Checking zc v0.4.0
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.34s
[INFO] running `Command { std: "docker" "inspect" "27365c70365c9b1c8523d26f608edbb5d08e76d1457247779cf65486bc166309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27365c70365c9b1c8523d26f608edbb5d08e76d1457247779cf65486bc166309", kill_on_drop: false }`
[INFO] [stdout] 27365c70365c9b1c8523d26f608edbb5d08e76d1457247779cf65486bc166309