[INFO] fetching crate dangerous 0.10.0...
[INFO] checking dangerous-0.10.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate dangerous 0.10.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dangerous 0.10.0 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dangerous 0.10.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dangerous 0.10.0
[INFO] tweaked toml for crates.io crate dangerous 0.10.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dangerous 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imap-proto v0.14.0
[INFO] [stderr]   Downloaded zc-derive v0.4.0
[INFO] [stderr]   Downloaded zc v0.4.0
[INFO] [stderr]   Downloaded aliasable v0.1.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0808e5db6a6f4aec13b38f6baf4e10c8f1932301c7db4334f590b28894bd8a3a
[INFO] running `Command { std: "docker" "start" "-a" "0808e5db6a6f4aec13b38f6baf4e10c8f1932301c7db4334f590b28894bd8a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0808e5db6a6f4aec13b38f6baf4e10c8f1932301c7db4334f590b28894bd8a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0808e5db6a6f4aec13b38f6baf4e10c8f1932301c7db4334f590b28894bd8a3a", kill_on_drop: false }`
[INFO] [stdout] 0808e5db6a6f4aec13b38f6baf4e10c8f1932301c7db4334f590b28894bd8a3a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b3798ac6037eb9af324911fabbccd85eb50f77884bca3ca5cab47af75e0d7ac
[INFO] running `Command { std: "docker" "start" "-a" "5b3798ac6037eb9af324911fabbccd85eb50f77884bca3ca5cab47af75e0d7ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking dangerous v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking colored-diff v0.2.2
[INFO] [stdout] warning: deny(rust_2018_idioms) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 49 |     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:49:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 49 |     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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zc-derive v0.4.0
[INFO] [stderr]     Checking imap-proto v0.14.0
[INFO] [stderr]     Checking zc v0.4.0
[INFO] [stdout] warning: deny(rust_2018_idioms) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 49 |     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:49:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future_incompatible
[INFO] [stdout]    |     ------------------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 49 |     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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `Command { std: "docker" "inspect" "5b3798ac6037eb9af324911fabbccd85eb50f77884bca3ca5cab47af75e0d7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3798ac6037eb9af324911fabbccd85eb50f77884bca3ca5cab47af75e0d7ac", kill_on_drop: false }`
[INFO] [stdout] 5b3798ac6037eb9af324911fabbccd85eb50f77884bca3ca5cab47af75e0d7ac