[INFO] cloning repository https://github.com/wolves/csskit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wolves/csskit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolves%2Fcsskit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolves%2Fcsskit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b1665d4cb10356403822cac44e398f816795f16
[INFO] checking wolves/csskit against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolves%2Fcsskit" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wolves/csskit on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wolves/csskit
[INFO] finished tweaking git repo https://github.com/wolves/csskit
[INFO] tweaked toml for git repo https://github.com/wolves/csskit written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wolves/csskit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db0877c4ba5fded5c4a72c66c7dae81f04e3296a326d9bac233429e53a0f205c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db0877c4ba5fded5c4a72c66c7dae81f04e3296a326d9bac233429e53a0f205c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db0877c4ba5fded5c4a72c66c7dae81f04e3296a326d9bac233429e53a0f205c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0877c4ba5fded5c4a72c66c7dae81f04e3296a326d9bac233429e53a0f205c", kill_on_drop: false }`
[INFO] [stdout] db0877c4ba5fded5c4a72c66c7dae81f04e3296a326d9bac233429e53a0f205c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac38841cc75aad6e224747cb0c2ff6ed603c7aa2a13747f6cafc0015e41bddfc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac38841cc75aad6e224747cb0c2ff6ed603c7aa2a13747f6cafc0015e41bddfc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling git2 v0.13.21
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]    Compiling shadow-rs v0.7.1
[INFO] [stderr]    Compiling csskit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `file_name`
[INFO] [stdout]   --> src/selectors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     file_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_num`
[INFO] [stdout]   --> src/selectors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     line_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_name`
[INFO] [stdout]   --> src/selectors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     file_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_num`
[INFO] [stdout]   --> src/selectors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     line_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.08s
[INFO] running `Command { std: "docker" "inspect" "ac38841cc75aad6e224747cb0c2ff6ed603c7aa2a13747f6cafc0015e41bddfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac38841cc75aad6e224747cb0c2ff6ed603c7aa2a13747f6cafc0015e41bddfc", kill_on_drop: false }`
[INFO] [stdout] ac38841cc75aad6e224747cb0c2ff6ed603c7aa2a13747f6cafc0015e41bddfc