[INFO] fetching crate cssnano 0.0.1...
[INFO] testing cssnano-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cssnano 0.0.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cssnano 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cssnano 0.0.1
[INFO] finished tweaking crates.io crate cssnano 0.0.1
[INFO] tweaked toml for crates.io crate cssnano 0.0.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc7ec64175b4bc891b63aed79f8b271a5dc01dee18857d56550a94c2a5f1742
[INFO] running `Command { std: "docker" "start" "-a" "cbc7ec64175b4bc891b63aed79f8b271a5dc01dee18857d56550a94c2a5f1742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc7ec64175b4bc891b63aed79f8b271a5dc01dee18857d56550a94c2a5f1742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc7ec64175b4bc891b63aed79f8b271a5dc01dee18857d56550a94c2a5f1742", kill_on_drop: false }`
[INFO] [stdout] cbc7ec64175b4bc891b63aed79f8b271a5dc01dee18857d56550a94c2a5f1742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ec45febf4d1706bdd62b0812118b892ee1f3c491ceea73620c15572e11b369f
[INFO] running `Command { std: "docker" "start" "-a" "5ec45febf4d1706bdd62b0812118b892ee1f3c491ceea73620c15572e11b369f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cssnano v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "5ec45febf4d1706bdd62b0812118b892ee1f3c491ceea73620c15572e11b369f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec45febf4d1706bdd62b0812118b892ee1f3c491ceea73620c15572e11b369f", kill_on_drop: false }`
[INFO] [stdout] 5ec45febf4d1706bdd62b0812118b892ee1f3c491ceea73620c15572e11b369f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b750916e2142301b29f77d7f25176fc278c0d32e016b349b216c051aa1a562db
[INFO] running `Command { std: "docker" "start" "-a" "b750916e2142301b29f77d7f25176fc278c0d32e016b349b216c051aa1a562db", kill_on_drop: false }`
[INFO] [stderr]    Compiling cssnano v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "b750916e2142301b29f77d7f25176fc278c0d32e016b349b216c051aa1a562db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b750916e2142301b29f77d7f25176fc278c0d32e016b349b216c051aa1a562db", kill_on_drop: false }`
[INFO] [stdout] b750916e2142301b29f77d7f25176fc278c0d32e016b349b216c051aa1a562db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f5bfcabb73056c3bcbd2f3a3ee5dd53a7ec731ae81b0ebc579ed44d45bfd578
[INFO] running `Command { std: "docker" "start" "-a" "7f5bfcabb73056c3bcbd2f3a3ee5dd53a7ec731ae81b0ebc579ed44d45bfd578", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cssnano-78f84a329c197760)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cssnano
[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] [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" "7f5bfcabb73056c3bcbd2f3a3ee5dd53a7ec731ae81b0ebc579ed44d45bfd578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5bfcabb73056c3bcbd2f3a3ee5dd53a7ec731ae81b0ebc579ed44d45bfd578", kill_on_drop: false }`
[INFO] [stdout] 7f5bfcabb73056c3bcbd2f3a3ee5dd53a7ec731ae81b0ebc579ed44d45bfd578