[INFO] fetching crate tracing-tree 0.1.6...
[INFO] testing tracing-tree-0.1.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tracing-tree 0.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tracing-tree 0.1.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-tree 0.1.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-tree 0.1.6
[INFO] tweaked toml for crates.io crate tracing-tree 0.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate tracing-tree 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81558454aafd87e4c1fe01472cfff56b5d439a8750e1a5057bb08b64a56b85b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81558454aafd87e4c1fe01472cfff56b5d439a8750e1a5057bb08b64a56b85b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81558454aafd87e4c1fe01472cfff56b5d439a8750e1a5057bb08b64a56b85b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81558454aafd87e4c1fe01472cfff56b5d439a8750e1a5057bb08b64a56b85b0", kill_on_drop: false }`
[INFO] [stdout] 81558454aafd87e4c1fe01472cfff56b5d439a8750e1a5057bb08b64a56b85b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0afdd3acc446bb8ad058498881c8e0c3637e8d791eb459e9e839fd5f1844b8a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0afdd3acc446bb8ad058498881c8e0c3637e8d791eb459e9e839fd5f1844b8a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling tracing-core v0.1.9
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling tracing-subscriber v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling tracing v0.1.12
[INFO] [stderr]    Compiling tracing-tree v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.69s
[INFO] running `Command { std: "docker" "inspect" "0afdd3acc446bb8ad058498881c8e0c3637e8d791eb459e9e839fd5f1844b8a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afdd3acc446bb8ad058498881c8e0c3637e8d791eb459e9e839fd5f1844b8a0", kill_on_drop: false }`
[INFO] [stdout] 0afdd3acc446bb8ad058498881c8e0c3637e8d791eb459e9e839fd5f1844b8a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d07888381449da098f0f2e1f4b7de110f47c0e9273dc48618a9c04746eb25681
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d07888381449da098f0f2e1f4b7de110f47c0e9273dc48618a9c04746eb25681", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling tracing-tree v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "d07888381449da098f0f2e1f4b7de110f47c0e9273dc48618a9c04746eb25681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07888381449da098f0f2e1f4b7de110f47c0e9273dc48618a9c04746eb25681", kill_on_drop: false }`
[INFO] [stdout] d07888381449da098f0f2e1f4b7de110f47c0e9273dc48618a9c04746eb25681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 918d04dd08a8b3659767c64a8f15e15df54b2f9cb0d9a4dd5af81c1c527f11a8
[INFO] running `Command { std: "docker" "start" "-a" "918d04dd08a8b3659767c64a8f15e15df54b2f9cb0d9a4dd5af81c1c527f11a8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_tree-3bdb4fed2dadd984
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ui-f60a3e1ad84c6766
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-tree
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "918d04dd08a8b3659767c64a8f15e15df54b2f9cb0d9a4dd5af81c1c527f11a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918d04dd08a8b3659767c64a8f15e15df54b2f9cb0d9a4dd5af81c1c527f11a8", kill_on_drop: false }`
[INFO] [stdout] 918d04dd08a8b3659767c64a8f15e15df54b2f9cb0d9a4dd5af81c1c527f11a8