[INFO] fetching crate matrixable 0.6.0...
[INFO] checking matrixable-0.6.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate matrixable 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate matrixable 0.6.0 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 matrixable 0.6.0
[INFO] finished tweaking crates.io crate matrixable 0.6.0
[INFO] tweaked toml for crates.io crate matrixable 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 70bb1f3ae3666adf3bc3e583f76077bdf48b8713fe4230e261dbc7a196bd62c7
[INFO] running `Command { std: "docker" "start" "-a" "70bb1f3ae3666adf3bc3e583f76077bdf48b8713fe4230e261dbc7a196bd62c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70bb1f3ae3666adf3bc3e583f76077bdf48b8713fe4230e261dbc7a196bd62c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70bb1f3ae3666adf3bc3e583f76077bdf48b8713fe4230e261dbc7a196bd62c7", kill_on_drop: false }`
[INFO] [stdout] 70bb1f3ae3666adf3bc3e583f76077bdf48b8713fe4230e261dbc7a196bd62c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a8c1d4dfd943692a977f73114e88da3ce6907df98bb806be09cbf01a986fce99
[INFO] running `Command { std: "docker" "start" "-a" "a8c1d4dfd943692a977f73114e88da3ce6907df98bb806be09cbf01a986fce99", kill_on_drop: false }`
[INFO] [stderr]     Checking matrixable v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/strategies.rs:621:19
[INFO] [stdout]     |
[INFO] [stdout] 621 |         #[cfg(not(feature = "std"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `impls`, and `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/strategies.rs:624:15
[INFO] [stdout]     |
[INFO] [stdout] 624 |         #[cfg(feature = "std")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `impls`, and `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/strategies.rs:635:27
[INFO] [stdout]     |
[INFO] [stdout] 635 |                 #[cfg(not(feature = "std"))]
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `impls`, and `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/strategies.rs:638:23
[INFO] [stdout]     |
[INFO] [stdout] 638 |                 #[cfg(feature = "std")]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `impls`, and `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/strategies.rs:621:19
[INFO] [stdout]     |
[INFO] [stdout] 621 |         #[cfg(not(feature = "std"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `impls`, and `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/strategies.rs:624:15
[INFO] [stdout]     |
[INFO] [stdout] 624 |         #[cfg(feature = "std")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `impls`, and `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/strategies.rs:635:27
[INFO] [stdout]     |
[INFO] [stdout] 635 |                 #[cfg(not(feature = "std"))]
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `impls`, and `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/strategies.rs:638:23
[INFO] [stdout]     |
[INFO] [stdout] 638 |                 #[cfg(feature = "std")]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `impls`, and `serde`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "a8c1d4dfd943692a977f73114e88da3ce6907df98bb806be09cbf01a986fce99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c1d4dfd943692a977f73114e88da3ce6907df98bb806be09cbf01a986fce99", kill_on_drop: false }`
[INFO] [stdout] a8c1d4dfd943692a977f73114e88da3ce6907df98bb806be09cbf01a986fce99