[INFO] cloning repository https://github.com/Solo-steven/rustlycss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Solo-steven/rustlycss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Frustlycss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Frustlycss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb4af4abbf36a75c2c4736768fc84f2c3fcd1f56
[INFO] checking Solo-steven/rustlycss against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Frustlycss" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Solo-steven/rustlycss on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Solo-steven/rustlycss
[INFO] finished tweaking git repo https://github.com/Solo-steven/rustlycss
[INFO] tweaked toml for git repo https://github.com/Solo-steven/rustlycss written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Solo-steven/rustlycss 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/crates/rustlycss_types/Cargo.toml: unused manifest key: dependencies.serde.feature
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/crates/rustlycss_parser/Cargo.toml: unused manifest key: dev-dependencies.serde.feature
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debugid v0.8.0
[INFO] [stderr]   Downloaded unicode-id v0.3.3
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded if_chain v1.0.2
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[INFO] [stderr]   Downloaded sourcemap v6.3.0
[INFO] [stderr]   Downloaded serde v1.0.175
[INFO] [stderr]   Downloaded serde_derive v1.0.175
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17f1b31c1297103dc5f399bddc199e0109a7bdd76e85019fb3266c4cb28a34db
[INFO] running `Command { std: "docker" "start" "-a" "17f1b31c1297103dc5f399bddc199e0109a7bdd76e85019fb3266c4cb28a34db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f1b31c1297103dc5f399bddc199e0109a7bdd76e85019fb3266c4cb28a34db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f1b31c1297103dc5f399bddc199e0109a7bdd76e85019fb3266c4cb28a34db", kill_on_drop: false }`
[INFO] [stdout] 17f1b31c1297103dc5f399bddc199e0109a7bdd76e85019fb3266c4cb28a34db
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e2005da70fd1fa7a1d53165807958764945b14dcd5e3af2b01edc9faee5c31b
[INFO] running `Command { std: "docker" "start" "-a" "0e2005da70fd1fa7a1d53165807958764945b14dcd5e3af2b01edc9faee5c31b", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /opt/rustwide/workdir/crates/rustlycss_parser/Cargo.toml: unused manifest key: dev-dependencies.serde.feature
[INFO] [stderr] warning: /opt/rustwide/workdir/crates/rustlycss_types/Cargo.toml: unused manifest key: dependencies.serde.feature
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking if_chain v1.0.2
[INFO] [stderr]     Checking unicode-id v0.3.3
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking rustlycss_types v0.1.0 (/opt/rustwide/workdir/crates/rustlycss_types)
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking rustlycss_parser v0.1.0 (/opt/rustwide/workdir/crates/rustlycss_parser)
[INFO] [stderr]     Checking rustlycss_nested v0.1.0 (/opt/rustwide/workdir/crates/rustlycss_nested)
[INFO] [stderr]     Checking rustlycss_simple_vars v0.1.0 (/opt/rustwide/workdir/crates/rustlycss_simple_vars)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking sourcemap v6.3.0
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking rustlycss_codegen v0.1.0 (/opt/rustwide/workdir/crates/rustlycss_codegen)
[INFO] [stderr]     Checking playgorund v0.1.0 (/opt/rustwide/workdir/crates/playground)
[INFO] [stdout] warning: unused import: `rustlycss_nested::NestedVisitor`
[INFO] [stdout]  --> crates/playground/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rustlycss_nested::NestedVisitor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustlycss_nested::NestedVisitor`
[INFO] [stdout]  --> crates/playground/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rustlycss_nested::NestedVisitor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 4.25s
[INFO] running `Command { std: "docker" "inspect" "0e2005da70fd1fa7a1d53165807958764945b14dcd5e3af2b01edc9faee5c31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2005da70fd1fa7a1d53165807958764945b14dcd5e3af2b01edc9faee5c31b", kill_on_drop: false }`
[INFO] [stdout] 0e2005da70fd1fa7a1d53165807958764945b14dcd5e3af2b01edc9faee5c31b
[INFO] checking Solo-steven/rustlycss against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Frustlycss" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Solo-steven/rustlycss on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Solo-steven/rustlycss
[INFO] finished tweaking git repo https://github.com/Solo-steven/rustlycss
[INFO] tweaked toml for git repo https://github.com/Solo-steven/rustlycss written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Solo-steven/rustlycss 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/crates/rustlycss_types/Cargo.toml: unused manifest key: dependencies.serde.feature
[INFO] [stderr] warning: /workspace/builds/worker-5-tc2/source/crates/rustlycss_parser/Cargo.toml: unused manifest key: dev-dependencies.serde.feature
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4a4ee1a57a10d3cf99badb82d8797cf6a357c4f0b2da195faa3d5bb37173b6c
[INFO] running `Command { std: "docker" "start" "-a" "e4a4ee1a57a10d3cf99badb82d8797cf6a357c4f0b2da195faa3d5bb37173b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4a4ee1a57a10d3cf99badb82d8797cf6a357c4f0b2da195faa3d5bb37173b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a4ee1a57a10d3cf99badb82d8797cf6a357c4f0b2da195faa3d5bb37173b6c", kill_on_drop: false }`
[INFO] [stdout] e4a4ee1a57a10d3cf99badb82d8797cf6a357c4f0b2da195faa3d5bb37173b6c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a6104b8aa45a147ce37c88663e510680c0cc7972f0193c50d1f17a64e69208
[INFO] running `Command { std: "docker" "start" "-a" "35a6104b8aa45a147ce37c88663e510680c0cc7972f0193c50d1f17a64e69208", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /opt/rustwide/workdir/crates/rustlycss_parser/Cargo.toml: unused manifest key: dev-dependencies.serde.feature
[INFO] [stderr] warning: /opt/rustwide/workdir/crates/rustlycss_types/Cargo.toml: unused manifest key: dependencies.serde.feature
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.175/src/lib_precompiled.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "35a6104b8aa45a147ce37c88663e510680c0cc7972f0193c50d1f17a64e69208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a6104b8aa45a147ce37c88663e510680c0cc7972f0193c50d1f17a64e69208", kill_on_drop: false }`
[INFO] [stdout] 35a6104b8aa45a147ce37c88663e510680c0cc7972f0193c50d1f17a64e69208