[INFO] fetching crate tracing-dipstick 0.1.1...
[INFO] testing tracing-dipstick-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tracing-dipstick 0.1.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate tracing-dipstick 0.1.1 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 tracing-dipstick 0.1.1
[INFO] finished tweaking crates.io crate tracing-dipstick 0.1.1
[INFO] tweaked toml for crates.io crate tracing-dipstick 0.1.1 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate tracing-dipstick 0.1.1 already has a lockfile, it will not be regenerated
[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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 47a621ff5ce120ba806910bec2b1592f74ccd4d55ace92fb2696ed5a0f549588
[INFO] running `Command { std: "docker" "start" "-a" "47a621ff5ce120ba806910bec2b1592f74ccd4d55ace92fb2696ed5a0f549588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a621ff5ce120ba806910bec2b1592f74ccd4d55ace92fb2696ed5a0f549588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a621ff5ce120ba806910bec2b1592f74ccd4d55ace92fb2696ed5a0f549588", kill_on_drop: false }`
[INFO] [stdout] 47a621ff5ce120ba806910bec2b1592f74ccd4d55ace92fb2696ed5a0f549588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 97c9df4e47dd48613c4f2be4f2e600006fbe830baf8a162562da6f0dc59ceaab
[INFO] running `Command { std: "docker" "start" "-a" "97c9df4e47dd48613c4f2be4f2e600006fbe830baf8a162562da6f0dc59ceaab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling minreq v2.3.1
[INFO] [stderr]    Compiling dipstick v0.9.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tracing-subscriber v0.2.17
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling tracing-dipstick v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "97c9df4e47dd48613c4f2be4f2e600006fbe830baf8a162562da6f0dc59ceaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c9df4e47dd48613c4f2be4f2e600006fbe830baf8a162562da6f0dc59ceaab", kill_on_drop: false }`
[INFO] [stdout] 97c9df4e47dd48613c4f2be4f2e600006fbe830baf8a162562da6f0dc59ceaab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 39ea9e4c8826c197c74d1d155ab74faea025d6f7c606fdf019446dd2e926d664
[INFO] running `Command { std: "docker" "start" "-a" "39ea9e4c8826c197c74d1d155ab74faea025d6f7c606fdf019446dd2e926d664", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling tracing-dipstick v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.68s
[INFO] running `Command { std: "docker" "inspect" "39ea9e4c8826c197c74d1d155ab74faea025d6f7c606fdf019446dd2e926d664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ea9e4c8826c197c74d1d155ab74faea025d6f7c606fdf019446dd2e926d664", kill_on_drop: false }`
[INFO] [stdout] 39ea9e4c8826c197c74d1d155ab74faea025d6f7c606fdf019446dd2e926d664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] f538fd8d78ec4bbd3236cbae51571da45f9f31e78633a42730acf958dffa2fbf
[INFO] running `Command { std: "docker" "start" "-a" "f538fd8d78ec4bbd3236cbae51571da45f9f31e78633a42730acf958dffa2fbf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_dipstick-cc56ed42d17d0950)
[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 tracing-dipstick
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - DipstickLayer (line 282) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f538fd8d78ec4bbd3236cbae51571da45f9f31e78633a42730acf958dffa2fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f538fd8d78ec4bbd3236cbae51571da45f9f31e78633a42730acf958dffa2fbf", kill_on_drop: false }`
[INFO] [stdout] f538fd8d78ec4bbd3236cbae51571da45f9f31e78633a42730acf958dffa2fbf