[INFO] fetching crate sparsey 0.12.1...
[INFO] checking sparsey-0.12.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate sparsey 0.12.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate sparsey 0.12.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sparsey 0.12.1
[INFO] finished tweaking crates.io crate sparsey 0.12.1
[INFO] tweaked toml for crates.io crate sparsey 0.12.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate sparsey 0.12.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82c3f50149cf0166dc84816e1b64d59359cb1a61ad38aaad9db3ae3d4c3cd935
[INFO] running `Command { std: "docker" "start" "-a" "82c3f50149cf0166dc84816e1b64d59359cb1a61ad38aaad9db3ae3d4c3cd935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82c3f50149cf0166dc84816e1b64d59359cb1a61ad38aaad9db3ae3d4c3cd935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c3f50149cf0166dc84816e1b64d59359cb1a61ad38aaad9db3ae3d4c3cd935", kill_on_drop: false }`
[INFO] [stdout] 82c3f50149cf0166dc84816e1b64d59359cb1a61ad38aaad9db3ae3d4c3cd935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb9134fcc8fbfb4834ebe64b3c9d66f384fdd6b4f5fe59c169e8883aaa0995e
[INFO] running `Command { std: "docker" "start" "-a" "5bb9134fcc8fbfb4834ebe64b3c9d66f384fdd6b4f5fe59c169e8883aaa0995e", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]     Checking sparsey v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> examples/layout.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Position(i32, i32);
[INFO] [stdout]   |        -------- ^^^  ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `Position` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "5bb9134fcc8fbfb4834ebe64b3c9d66f384fdd6b4f5fe59c169e8883aaa0995e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb9134fcc8fbfb4834ebe64b3c9d66f384fdd6b4f5fe59c169e8883aaa0995e", kill_on_drop: false }`
[INFO] [stdout] 5bb9134fcc8fbfb4834ebe64b3c9d66f384fdd6b4f5fe59c169e8883aaa0995e
[INFO] checking sparsey-0.12.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate sparsey 0.12.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate sparsey 0.12.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sparsey 0.12.1
[INFO] finished tweaking crates.io crate sparsey 0.12.1
[INFO] tweaked toml for crates.io crate sparsey 0.12.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate sparsey 0.12.1 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825bf80a14ed34a721255deffc42ec0b1fc5b0e4557b94c03724c27b96e41d05
[INFO] running `Command { std: "docker" "start" "-a" "825bf80a14ed34a721255deffc42ec0b1fc5b0e4557b94c03724c27b96e41d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825bf80a14ed34a721255deffc42ec0b1fc5b0e4557b94c03724c27b96e41d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825bf80a14ed34a721255deffc42ec0b1fc5b0e4557b94c03724c27b96e41d05", kill_on_drop: false }`
[INFO] [stdout] 825bf80a14ed34a721255deffc42ec0b1fc5b0e4557b94c03724c27b96e41d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1291305aab40dd4226e52babf441adeab18fe9c314e80c64705cd99bf31fffc
[INFO] running `Command { std: "docker" "start" "-a" "b1291305aab40dd4226e52babf441adeab18fe9c314e80c64705cd99bf31fffc", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]     Checking sparsey v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> examples/layout.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Position(i32, i32);
[INFO] [stdout]   |        -------- ^^^  ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `Position` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "b1291305aab40dd4226e52babf441adeab18fe9c314e80c64705cd99bf31fffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1291305aab40dd4226e52babf441adeab18fe9c314e80c64705cd99bf31fffc", kill_on_drop: false }`
[INFO] [stdout] b1291305aab40dd4226e52babf441adeab18fe9c314e80c64705cd99bf31fffc