[INFO] fetching crate web_logger 0.2.0...
[INFO] testing web_logger-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate web_logger 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate web_logger 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7183c46d14572696392864b95ea821a432b07db5bf013ce484bccdc8932f6ae6
[INFO] running `Command { std: "docker" "start" "-a" "7183c46d14572696392864b95ea821a432b07db5bf013ce484bccdc8932f6ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7183c46d14572696392864b95ea821a432b07db5bf013ce484bccdc8932f6ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7183c46d14572696392864b95ea821a432b07db5bf013ce484bccdc8932f6ae6", kill_on_drop: false }`
[INFO] [stdout] 7183c46d14572696392864b95ea821a432b07db5bf013ce484bccdc8932f6ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 849af309cdc99e6cd0dd70186370f1d97f84642078f84eaee7ce879a196512cd
[INFO] running `Command { std: "docker" "start" "-a" "849af309cdc99e6cd0dd70186370f1d97f84642078f84eaee7ce879a196512cd", 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 stdweb v0.4.20
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling web_logger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.12s
[INFO] running `Command { std: "docker" "inspect" "849af309cdc99e6cd0dd70186370f1d97f84642078f84eaee7ce879a196512cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849af309cdc99e6cd0dd70186370f1d97f84642078f84eaee7ce879a196512cd", kill_on_drop: false }`
[INFO] [stdout] 849af309cdc99e6cd0dd70186370f1d97f84642078f84eaee7ce879a196512cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0b57e4e1c306890c71bf03a8d7d6492fefc17f87168be44513e39c2a9f5bbb1
[INFO] running `Command { std: "docker" "start" "-a" "b0b57e4e1c306890c71bf03a8d7d6492fefc17f87168be44513e39c2a9f5bbb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_logger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "b0b57e4e1c306890c71bf03a8d7d6492fefc17f87168be44513e39c2a9f5bbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b57e4e1c306890c71bf03a8d7d6492fefc17f87168be44513e39c2a9f5bbb1", kill_on_drop: false }`
[INFO] [stdout] b0b57e4e1c306890c71bf03a8d7d6492fefc17f87168be44513e39c2a9f5bbb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d1a3cde006b474030ba5d2da9b32e012903dcfd57de3745777c18d5beaf81f5
[INFO] running `Command { std: "docker" "start" "-a" "9d1a3cde006b474030ba5d2da9b32e012903dcfd57de3745777c18d5beaf81f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/web_logger-da0127586ba4f4d9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests web_logger
[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" "9d1a3cde006b474030ba5d2da9b32e012903dcfd57de3745777c18d5beaf81f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1a3cde006b474030ba5d2da9b32e012903dcfd57de3745777c18d5beaf81f5", kill_on_drop: false }`
[INFO] [stdout] 9d1a3cde006b474030ba5d2da9b32e012903dcfd57de3745777c18d5beaf81f5