[INFO] fetching crate smoljson 0.1.1...
[INFO] checking smoljson-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate smoljson 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate smoljson 0.1.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smoljson 0.1.1
[INFO] finished tweaking crates.io crate smoljson 0.1.1
[INFO] tweaked toml for crates.io crate smoljson 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52efc2db20120b6330a390bb0b8a4c650cc4bc776f60001f9eaff3ad0b743df2
[INFO] running `Command { std: "docker" "start" "-a" "52efc2db20120b6330a390bb0b8a4c650cc4bc776f60001f9eaff3ad0b743df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52efc2db20120b6330a390bb0b8a4c650cc4bc776f60001f9eaff3ad0b743df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52efc2db20120b6330a390bb0b8a4c650cc4bc776f60001f9eaff3ad0b743df2", kill_on_drop: false }`
[INFO] [stdout] 52efc2db20120b6330a390bb0b8a4c650cc4bc776f60001f9eaff3ad0b743df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b43d2b20b889ffedbc9cd64a5e275ad995bc680d069c24159811544c1f13da84
[INFO] running `Command { std: "docker" "start" "-a" "b43d2b20b889ffedbc9cd64a5e275ad995bc680d069c24159811544c1f13da84", kill_on_drop: false }`
[INFO] [stderr]     Checking smoljson v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `better_errors`
[INFO] [stdout]    --> src/read.rs:152:33
[INFO] [stdout]     |
[INFO] [stdout] 152 |     #[cfg(any(debug_assertions, feature = "better_errors"))]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:154:37
[INFO] [stdout]     |
[INFO] [stdout] 154 |     #[cfg(not(any(debug_assertions, feature = "better_errors")))]
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:159:37
[INFO] [stdout]     |
[INFO] [stdout] 159 |         #[cfg(any(debug_assertions, feature = "better_errors"))]
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:167:41
[INFO] [stdout]     |
[INFO] [stdout] 167 |         #[cfg(not(any(debug_assertions, feature = "better_errors")))]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:222:37
[INFO] [stdout]     |
[INFO] [stdout] 222 |         #[cfg(any(debug_assertions, feature = "better_errors"))]
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:242:41
[INFO] [stdout]     |
[INFO] [stdout] 242 |         #[cfg(not(any(debug_assertions, feature = "better_errors")))]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:152:33
[INFO] [stdout]     |
[INFO] [stdout] 152 |     #[cfg(any(debug_assertions, feature = "better_errors"))]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:154:37
[INFO] [stdout]     |
[INFO] [stdout] 154 |     #[cfg(not(any(debug_assertions, feature = "better_errors")))]
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:159:37
[INFO] [stdout]     |
[INFO] [stdout] 159 |         #[cfg(any(debug_assertions, feature = "better_errors"))]
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:167:41
[INFO] [stdout]     |
[INFO] [stdout] 167 |         #[cfg(not(any(debug_assertions, feature = "better_errors")))]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:222:37
[INFO] [stdout]     |
[INFO] [stdout] 222 |         #[cfg(any(debug_assertions, feature = "better_errors"))]
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: `better_errors`
[INFO] [stdout]    --> src/read.rs:242:41
[INFO] [stdout]     |
[INFO] [stdout] 242 |         #[cfg(not(any(debug_assertions, feature = "better_errors")))]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default_allow_comments`
[INFO] [stdout]     = help: consider adding `better_errors` 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b43d2b20b889ffedbc9cd64a5e275ad995bc680d069c24159811544c1f13da84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43d2b20b889ffedbc9cd64a5e275ad995bc680d069c24159811544c1f13da84", kill_on_drop: false }`
[INFO] [stdout] b43d2b20b889ffedbc9cd64a5e275ad995bc680d069c24159811544c1f13da84