[INFO] fetching crate tailwind 0.1.0...
[INFO] testing tailwind-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tailwind 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tailwind 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tailwind 0.1.0
[INFO] finished tweaking crates.io crate tailwind 0.1.0
[INFO] tweaked toml for crates.io crate tailwind 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52643485544e0975f9d95b39eb1cc5e466b5cd02cd8cc7e033cf48d9cc35cdf9
[INFO] running `Command { std: "docker" "start" "-a" "52643485544e0975f9d95b39eb1cc5e466b5cd02cd8cc7e033cf48d9cc35cdf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52643485544e0975f9d95b39eb1cc5e466b5cd02cd8cc7e033cf48d9cc35cdf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52643485544e0975f9d95b39eb1cc5e466b5cd02cd8cc7e033cf48d9cc35cdf9", kill_on_drop: false }`
[INFO] [stdout] 52643485544e0975f9d95b39eb1cc5e466b5cd02cd8cc7e033cf48d9cc35cdf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c4df18d6fa050cb6f05cbf253e6a388dd8fe872dc62ea11999dba4e11ccb595
[INFO] running `Command { std: "docker" "start" "-a" "6c4df18d6fa050cb6f05cbf253e6a388dd8fe872dc62ea11999dba4e11ccb595", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailwind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Columns`
[INFO] [stdout]  --> src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Columns {}
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Spacing`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Spacing {}
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c4df18d6fa050cb6f05cbf253e6a388dd8fe872dc62ea11999dba4e11ccb595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4df18d6fa050cb6f05cbf253e6a388dd8fe872dc62ea11999dba4e11ccb595", kill_on_drop: false }`
[INFO] [stdout] 6c4df18d6fa050cb6f05cbf253e6a388dd8fe872dc62ea11999dba4e11ccb595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84283e5a5edfb1e9c704ed49387de5a53d9a3426206cebed111690abec2492b
[INFO] running `Command { std: "docker" "start" "-a" "e84283e5a5edfb1e9c704ed49387de5a53d9a3426206cebed111690abec2492b", kill_on_drop: false }`
[INFO] [stdout] warning: enum is never used: `Columns`
[INFO] [stdout]  --> src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Columns {}
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tailwind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Spacing`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Spacing {}
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Columns`
[INFO] [stdout]  --> src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Columns {}
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Spacing`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Spacing {}
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "e84283e5a5edfb1e9c704ed49387de5a53d9a3426206cebed111690abec2492b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84283e5a5edfb1e9c704ed49387de5a53d9a3426206cebed111690abec2492b", kill_on_drop: false }`
[INFO] [stdout] e84283e5a5edfb1e9c704ed49387de5a53d9a3426206cebed111690abec2492b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83fac69492a6a0156c7f474db082db075c851b82e8bb4db7ead1040e03411254
[INFO] running `Command { std: "docker" "start" "-a" "83fac69492a6a0156c7f474db082db075c851b82e8bb4db7ead1040e03411254", kill_on_drop: false }`
[INFO] [stderr] warning: enum is never used: `Columns`
[INFO] [stderr]  --> src/lib.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Columns {}
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Spacing`
[INFO] [stderr]  --> src/lib.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Spacing {}
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tailwind` (lib) generated 2 warnings
[INFO] [stderr] warning: `tailwind` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tailwind-20c921777846fb2a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tailwind
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83fac69492a6a0156c7f474db082db075c851b82e8bb4db7ead1040e03411254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fac69492a6a0156c7f474db082db075c851b82e8bb4db7ead1040e03411254", kill_on_drop: false }`
[INFO] [stdout] 83fac69492a6a0156c7f474db082db075c851b82e8bb4db7ead1040e03411254