[INFO] cloning repository https://github.com/insufficiently-caffeinated/tracing-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/insufficiently-caffeinated/tracing-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsufficiently-caffeinated%2Ftracing-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsufficiently-caffeinated%2Ftracing-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd91586cd9489b18743c6657b49badf4e5a45f11
[INFO] testing insufficiently-caffeinated/tracing-tools against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsufficiently-caffeinated%2Ftracing-tools" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/insufficiently-caffeinated/tracing-tools 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 git repo https://github.com/insufficiently-caffeinated/tracing-tools
[INFO] finished tweaking git repo https://github.com/insufficiently-caffeinated/tracing-tools
[INFO] tweaked toml for git repo https://github.com/insufficiently-caffeinated/tracing-tools written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/insufficiently-caffeinated/tracing-tools 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded capnp v0.14.2
[INFO] [stderr]   Downloaded capnpc v0.14.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 37cbe707acdbca52ee7e973064e0063423310553f5dfa27e2ddbdca8abe218d9
[INFO] running `Command { std: "docker" "start" "-a" "37cbe707acdbca52ee7e973064e0063423310553f5dfa27e2ddbdca8abe218d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37cbe707acdbca52ee7e973064e0063423310553f5dfa27e2ddbdca8abe218d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cbe707acdbca52ee7e973064e0063423310553f5dfa27e2ddbdca8abe218d9", kill_on_drop: false }`
[INFO] [stdout] 37cbe707acdbca52ee7e973064e0063423310553f5dfa27e2ddbdca8abe218d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 4901e647f2e1e409b95424570a214f82e4c94d7d036d3c7ad4384e2f64ebeaf6
[INFO] running `Command { std: "docker" "start" "-a" "4901e647f2e1e409b95424570a214f82e4c94d7d036d3c7ad4384e2f64ebeaf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling capnp v0.14.2
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling capnpc v0.14.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling trace_span v0.1.0 (/opt/rustwide/workdir/trace_span)
[INFO] [stderr]    Compiling convert-to-chrome-trace v0.1.0 (/opt/rustwide/workdir/convert-to-chrome-trace)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "4901e647f2e1e409b95424570a214f82e4c94d7d036d3c7ad4384e2f64ebeaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4901e647f2e1e409b95424570a214f82e4c94d7d036d3c7ad4384e2f64ebeaf6", kill_on_drop: false }`
[INFO] [stdout] 4901e647f2e1e409b95424570a214f82e4c94d7d036d3c7ad4384e2f64ebeaf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 3fea8566f5bd17e0fa71b5d9fc54673ccd10de76022271ac90d0b64476eef1d9
[INFO] running `Command { std: "docker" "start" "-a" "3fea8566f5bd17e0fa71b5d9fc54673ccd10de76022271ac90d0b64476eef1d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trace_span v0.1.0 (/opt/rustwide/workdir/trace_span)
[INFO] [stderr]    Compiling convert-to-chrome-trace v0.1.0 (/opt/rustwide/workdir/convert-to-chrome-trace)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "3fea8566f5bd17e0fa71b5d9fc54673ccd10de76022271ac90d0b64476eef1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fea8566f5bd17e0fa71b5d9fc54673ccd10de76022271ac90d0b64476eef1d9", kill_on_drop: false }`
[INFO] [stdout] 3fea8566f5bd17e0fa71b5d9fc54673ccd10de76022271ac90d0b64476eef1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] d4171ed7f7d3c14afe8a3445b21c827541e33a7895278dcbcbab0d9e0074e954
[INFO] running `Command { std: "docker" "start" "-a" "d4171ed7f7d3c14afe8a3445b21c827541e33a7895278dcbcbab0d9e0074e954", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/convert_to_chrome_trace-befe54126eccc3c7)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trace_span-6910b129090173ff)
[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] [stderr]    Doc-tests trace_span
[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" "d4171ed7f7d3c14afe8a3445b21c827541e33a7895278dcbcbab0d9e0074e954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4171ed7f7d3c14afe8a3445b21c827541e33a7895278dcbcbab0d9e0074e954", kill_on_drop: false }`
[INFO] [stdout] d4171ed7f7d3c14afe8a3445b21c827541e33a7895278dcbcbab0d9e0074e954