[INFO] fetching crate web_logger 0.2.0...
[INFO] testing web_logger-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate web_logger 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate web_logger 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web_logger 0.2.0
[INFO] finished tweaking crates.io crate web_logger 0.2.0
[INFO] tweaked toml for crates.io crate web_logger 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f62450b6569385e935b2f426e943297510f64b8a46d9b670a3f6067212b68c34
[INFO] running `Command { std: "docker" "start" "-a" "f62450b6569385e935b2f426e943297510f64b8a46d9b670a3f6067212b68c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f62450b6569385e935b2f426e943297510f64b8a46d9b670a3f6067212b68c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62450b6569385e935b2f426e943297510f64b8a46d9b670a3f6067212b68c34", kill_on_drop: false }`
[INFO] [stdout] f62450b6569385e935b2f426e943297510f64b8a46d9b670a3f6067212b68c34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cdd3594ffee9c966ae1dbedf40f0acb365ba77a09fe0cdb99570b36ba70c945
[INFO] running `Command { std: "docker" "start" "-a" "3cdd3594ffee9c966ae1dbedf40f0acb365ba77a09fe0cdb99570b36ba70c945", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling web_logger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.95s
[INFO] running `Command { std: "docker" "inspect" "3cdd3594ffee9c966ae1dbedf40f0acb365ba77a09fe0cdb99570b36ba70c945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdd3594ffee9c966ae1dbedf40f0acb365ba77a09fe0cdb99570b36ba70c945", kill_on_drop: false }`
[INFO] [stdout] 3cdd3594ffee9c966ae1dbedf40f0acb365ba77a09fe0cdb99570b36ba70c945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1d2167e1a3b6243a1b86f4ef2764b02b8abf2ba198061db7c734b8767497778
[INFO] running `Command { std: "docker" "start" "-a" "d1d2167e1a3b6243a1b86f4ef2764b02b8abf2ba198061db7c734b8767497778", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling web_logger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "d1d2167e1a3b6243a1b86f4ef2764b02b8abf2ba198061db7c734b8767497778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d2167e1a3b6243a1b86f4ef2764b02b8abf2ba198061db7c734b8767497778", kill_on_drop: false }`
[INFO] [stdout] d1d2167e1a3b6243a1b86f4ef2764b02b8abf2ba198061db7c734b8767497778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8825f65e6e3f126b75a4620220a7a37f3f0895561895e76457a14ca3b2b6fdb2
[INFO] running `Command { std: "docker" "start" "-a" "8825f65e6e3f126b75a4620220a7a37f3f0895561895e76457a14ca3b2b6fdb2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_logger-bb7b4cf861110992)
[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 web_logger
[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" "8825f65e6e3f126b75a4620220a7a37f3f0895561895e76457a14ca3b2b6fdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8825f65e6e3f126b75a4620220a7a37f3f0895561895e76457a14ca3b2b6fdb2", kill_on_drop: false }`
[INFO] [stdout] 8825f65e6e3f126b75a4620220a7a37f3f0895561895e76457a14ca3b2b6fdb2