[INFO] fetching crate carboncopy-tokio 0.1.4...
[INFO] testing carboncopy-tokio-0.1.4 against master#c5842b0be783dffa5a49693541acb79115c7eeef for pr-102570
[INFO] extracting crate carboncopy-tokio 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate carboncopy-tokio 0.1.4 on toolchain c5842b0be783dffa5a49693541acb79115c7eeef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate carboncopy-tokio 0.1.4
[INFO] finished tweaking crates.io crate carboncopy-tokio 0.1.4
[INFO] tweaked toml for crates.io crate carboncopy-tokio 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded carboncopy v0.3.0
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 720ab34d11475c52e73eb343f2dd02fc0384375c4677c536c719555526a530f1
[INFO] running `Command { std: "docker" "start" "-a" "720ab34d11475c52e73eb343f2dd02fc0384375c4677c536c719555526a530f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "720ab34d11475c52e73eb343f2dd02fc0384375c4677c536c719555526a530f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720ab34d11475c52e73eb343f2dd02fc0384375c4677c536c719555526a530f1", kill_on_drop: false }`
[INFO] [stdout] 720ab34d11475c52e73eb343f2dd02fc0384375c4677c536c719555526a530f1
[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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2472602c43f19e709daf4f0584f9aa45e315870b3d4a0401517dab20ed1d7aa
[INFO] running `Command { std: "docker" "start" "-a" "a2472602c43f19e709daf4f0584f9aa45e315870b3d4a0401517dab20ed1d7aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling carboncopy v0.3.0
[INFO] [stderr]    Compiling carboncopy-tokio v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.40s
[INFO] running `Command { std: "docker" "inspect" "a2472602c43f19e709daf4f0584f9aa45e315870b3d4a0401517dab20ed1d7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2472602c43f19e709daf4f0584f9aa45e315870b3d4a0401517dab20ed1d7aa", kill_on_drop: false }`
[INFO] [stdout] a2472602c43f19e709daf4f0584f9aa45e315870b3d4a0401517dab20ed1d7aa
[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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f4b1c8f6611fe2ee8f91b1f086c2900a71dcf37f212d3cfc0b95ff9163cc80
[INFO] running `Command { std: "docker" "start" "-a" "31f4b1c8f6611fe2ee8f91b1f086c2900a71dcf37f212d3cfc0b95ff9163cc80", kill_on_drop: false }`
[INFO] [stderr]    Compiling carboncopy-tokio v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "31f4b1c8f6611fe2ee8f91b1f086c2900a71dcf37f212d3cfc0b95ff9163cc80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f4b1c8f6611fe2ee8f91b1f086c2900a71dcf37f212d3cfc0b95ff9163cc80", kill_on_drop: false }`
[INFO] [stdout] 31f4b1c8f6611fe2ee8f91b1f086c2900a71dcf37f212d3cfc0b95ff9163cc80
[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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08bf45b3a8f0857c97c82fcce3812ea8cfd5c5810a837c75de00fd69b2860bcd
[INFO] running `Command { std: "docker" "start" "-a" "08bf45b3a8f0857c97c82fcce3812ea8cfd5c5810a837c75de00fd69b2860bcd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/carboncopy_tokio-43c9af060f272fb7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::overflow_threshold ... ok
[INFO] [stdout] test tests::default_options_dont_panic ... ok
[INFO] [stdout] test tests::no_buffer ... ok
[INFO] [stdout] test tests::overflow_flush ... ok
[INFO] [stdout] test tests::flush_err ... ok
[INFO] [stderr]    Doc-tests carboncopy-tokio
[INFO] [stdout] test tests::timeout_flush ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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" "08bf45b3a8f0857c97c82fcce3812ea8cfd5c5810a837c75de00fd69b2860bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bf45b3a8f0857c97c82fcce3812ea8cfd5c5810a837c75de00fd69b2860bcd", kill_on_drop: false }`
[INFO] [stdout] 08bf45b3a8f0857c97c82fcce3812ea8cfd5c5810a837c75de00fd69b2860bcd