[INFO] cloning repository https://github.com/blakehawkins/zdex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakehawkins/zdex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fzdex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fzdex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f26d5e7ee845712a84a416270b89377fc898eadd
[INFO] checking blakehawkins/zdex against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakehawkins%2Fzdex" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blakehawkins/zdex on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blakehawkins/zdex
[INFO] finished tweaking git repo https://github.com/blakehawkins/zdex
[INFO] tweaked toml for git repo https://github.com/blakehawkins/zdex written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/blakehawkins/zdex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc7a3330aff11f42d9d72f5f967ccd8823caab2119534b89101847ed27a30cd
[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" "2fc7a3330aff11f42d9d72f5f967ccd8823caab2119534b89101847ed27a30cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc7a3330aff11f42d9d72f5f967ccd8823caab2119534b89101847ed27a30cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc7a3330aff11f42d9d72f5f967ccd8823caab2119534b89101847ed27a30cd", kill_on_drop: false }`
[INFO] [stdout] 2fc7a3330aff11f42d9d72f5f967ccd8823caab2119534b89101847ed27a30cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e85bfb6987c4aeada63a963434bf16f92c8a609b4257a19515c1b5fb40bd993
[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" "5e85bfb6987c4aeada63a963434bf16f92c8a609b4257a19515c1b5fb40bd993", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling vob v2.0.4
[INFO] [stderr]    Compiling bit_collection_derive v0.2.2
[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 5.48s
[INFO] running `Command { std: "docker" "inspect" "5e85bfb6987c4aeada63a963434bf16f92c8a609b4257a19515c1b5fb40bd993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e85bfb6987c4aeada63a963434bf16f92c8a609b4257a19515c1b5fb40bd993", kill_on_drop: false }`
[INFO] [stdout] 5e85bfb6987c4aeada63a963434bf16f92c8a609b4257a19515c1b5fb40bd993