[INFO] fetching crate zdex 0.3.1...
[INFO] checking zdex-0.3.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate zdex 0.3.1 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate zdex 0.3.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zdex 0.3.1
[INFO] finished tweaking crates.io crate zdex 0.3.1
[INFO] tweaked toml for crates.io crate zdex 0.3.1 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b5d4eb9def097cf288d1e779a20fece299b4d826fd20b8f203c2763f4d51e02
[INFO] running `Command { std: "docker" "start" "-a" "2b5d4eb9def097cf288d1e779a20fece299b4d826fd20b8f203c2763f4d51e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5d4eb9def097cf288d1e779a20fece299b4d826fd20b8f203c2763f4d51e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5d4eb9def097cf288d1e779a20fece299b4d826fd20b8f203c2763f4d51e02", kill_on_drop: false }`
[INFO] [stdout] 2b5d4eb9def097cf288d1e779a20fece299b4d826fd20b8f203c2763f4d51e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9de8186824fdb260ad346b46e3f7cb5c6c3a6de6f6d00a05d98226b95afe168
[INFO] running `Command { std: "docker" "start" "-a" "f9de8186824fdb260ad346b46e3f7cb5c6c3a6de6f6d00a05d98226b95afe168", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling bit_collection_derive v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling vob v2.0.6
[INFO] [stderr]     Checking bit_collection v0.2.3
[INFO] [stderr]     Checking zdex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:250:3
[INFO] [stdout]     |
[INFO] [stdout] 250 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 251 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(legacy_derive_helpers)]` 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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:255:3
[INFO] [stdout]     |
[INFO] [stdout] 255 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 256 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:260:3
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 261 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:265:3
[INFO] [stdout]     |
[INFO] [stdout] 265 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 266 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:270:3
[INFO] [stdout]     |
[INFO] [stdout] 270 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 271 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:250:3
[INFO] [stdout]     |
[INFO] [stdout] 250 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 251 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(legacy_derive_helpers)]` 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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:255:3
[INFO] [stdout]     |
[INFO] [stdout] 255 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 256 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:260:3
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 261 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:265:3
[INFO] [stdout]     |
[INFO] [stdout] 265 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 266 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:270:3
[INFO] [stdout]     |
[INFO] [stdout] 270 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 271 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[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 #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "f9de8186824fdb260ad346b46e3f7cb5c6c3a6de6f6d00a05d98226b95afe168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9de8186824fdb260ad346b46e3f7cb5c6c3a6de6f6d00a05d98226b95afe168", kill_on_drop: false }`
[INFO] [stdout] f9de8186824fdb260ad346b46e3f7cb5c6c3a6de6f6d00a05d98226b95afe168