[INFO] fetching crate rgb 0.8.37...
[INFO] checking rgb-0.8.37 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate rgb 0.8.37 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rgb 0.8.37 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb 0.8.37
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb 0.8.37
[INFO] tweaked toml for crates.io crate rgb 0.8.37 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rgb 0.8.37 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70731a71903fc4cb958a57005d3a7fa80c578dad7b783b26f54d0d079ddd99ea
[INFO] running `Command { std: "docker" "start" "-a" "70731a71903fc4cb958a57005d3a7fa80c578dad7b783b26f54d0d079ddd99ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70731a71903fc4cb958a57005d3a7fa80c578dad7b783b26f54d0d079ddd99ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70731a71903fc4cb958a57005d3a7fa80c578dad7b783b26f54d0d079ddd99ea", kill_on_drop: false }`
[INFO] [stdout] 70731a71903fc4cb958a57005d3a7fa80c578dad7b783b26f54d0d079ddd99ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f1a9240ab4dbcbdf523db7ce59134784f32fb3a26a0968af4d705617cad5148
[INFO] running `Command { std: "docker" "start" "-a" "4f1a9240ab4dbcbdf523db7ce59134784f32fb3a26a0968af4d705617cad5148", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking rgb v0.8.37 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::internal::ops::*`
[INFO] [stdout]   --> src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub use crate::internal::ops::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::internal::rgb::*`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub use crate::internal::rgb::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::internal::rgba::*`
[INFO] [stdout]   --> src/lib.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub use crate::internal::rgba::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> src/internal/rgb.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     use std;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:34:14
[INFO] [stdout]     |
[INFO] [stdout] 34  | #[macro_use] extern crate std;
[INFO] [stdout]     |              ----------------- the item `std` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::internal::ops::*`
[INFO] [stdout]   --> src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub use crate::internal::ops::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::internal::rgb::*`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub use crate::internal::rgb::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::internal::rgba::*`
[INFO] [stdout]   --> src/lib.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub use crate::internal::rgba::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `Command { std: "docker" "inspect" "4f1a9240ab4dbcbdf523db7ce59134784f32fb3a26a0968af4d705617cad5148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1a9240ab4dbcbdf523db7ce59134784f32fb3a26a0968af4d705617cad5148", kill_on_drop: false }`
[INFO] [stdout] 4f1a9240ab4dbcbdf523db7ce59134784f32fb3a26a0968af4d705617cad5148
[INFO] checking rgb-0.8.37 against try#8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde for pr-122960
[INFO] extracting crate rgb 0.8.37 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rgb 0.8.37 on toolchain 8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb 0.8.37
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb 0.8.37
[INFO] tweaked toml for crates.io crate rgb 0.8.37 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate rgb 0.8.37 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72cd500e8b85060930ce263613c2f25be5ed6de5d88eda20eaf7eae93fda7608
[INFO] running `Command { std: "docker" "start" "-a" "72cd500e8b85060930ce263613c2f25be5ed6de5d88eda20eaf7eae93fda7608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72cd500e8b85060930ce263613c2f25be5ed6de5d88eda20eaf7eae93fda7608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72cd500e8b85060930ce263613c2f25be5ed6de5d88eda20eaf7eae93fda7608", kill_on_drop: false }`
[INFO] [stdout] 72cd500e8b85060930ce263613c2f25be5ed6de5d88eda20eaf7eae93fda7608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7076f6f8fc386088a9d7e86816fdef7f85675761c77382e8898bed805aa9308a
[INFO] running `Command { std: "docker" "start" "-a" "7076f6f8fc386088a9d7e86816fdef7f85675761c77382e8898bed805aa9308a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "7076f6f8fc386088a9d7e86816fdef7f85675761c77382e8898bed805aa9308a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7076f6f8fc386088a9d7e86816fdef7f85675761c77382e8898bed805aa9308a", kill_on_drop: false }`
[INFO] [stdout] 7076f6f8fc386088a9d7e86816fdef7f85675761c77382e8898bed805aa9308a