[INFO] fetching crate rustracing 0.5.1...
[INFO] testing rustracing-0.5.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rustracing 0.5.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rustracing 0.5.1 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 rustracing 0.5.1
[INFO] finished tweaking crates.io crate rustracing 0.5.1
[INFO] tweaked toml for crates.io crate rustracing 0.5.1 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51171312298da50b341d8a9685ce4ab762d56f0a5094815affe7f0955b4382a0
[INFO] running `Command { std: "docker" "start" "-a" "51171312298da50b341d8a9685ce4ab762d56f0a5094815affe7f0955b4382a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51171312298da50b341d8a9685ce4ab762d56f0a5094815affe7f0955b4382a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51171312298da50b341d8a9685ce4ab762d56f0a5094815affe7f0955b4382a0", kill_on_drop: false }`
[INFO] [stdout] 51171312298da50b341d8a9685ce4ab762d56f0a5094815affe7f0955b4382a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de09c73075b233b11f5c4c66fa94ceba878e69cd6040621d0aa9339ecebed005
[INFO] running `Command { std: "docker" "start" "-a" "de09c73075b233b11f5c4c66fa94ceba878e69cd6040621d0aa9339ecebed005", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling rustracing v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.04s
[INFO] running `Command { std: "docker" "inspect" "de09c73075b233b11f5c4c66fa94ceba878e69cd6040621d0aa9339ecebed005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de09c73075b233b11f5c4c66fa94ceba878e69cd6040621d0aa9339ecebed005", kill_on_drop: false }`
[INFO] [stdout] de09c73075b233b11f5c4c66fa94ceba878e69cd6040621d0aa9339ecebed005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 213653753e7d35013874d9b7907b800cee0b62963b0f3801f88ed84d55dd970e
[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" "213653753e7d35013874d9b7907b800cee0b62963b0f3801f88ed84d55dd970e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustracing v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "213653753e7d35013874d9b7907b800cee0b62963b0f3801f88ed84d55dd970e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213653753e7d35013874d9b7907b800cee0b62963b0f3801f88ed84d55dd970e", kill_on_drop: false }`
[INFO] [stdout] 213653753e7d35013874d9b7907b800cee0b62963b0f3801f88ed84d55dd970e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a4c52d5706d2afbd3aaf981d434c0ccbd186f86e5e4d9872c0c41c367d52065
[INFO] running `Command { std: "docker" "start" "-a" "5a4c52d5706d2afbd3aaf981d434c0ccbd186f86e5e4d9872c0c41c367d52065", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustracing-479a57e6fae11586)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::nonblocking_on_full_queue ... ok
[INFO] [stdout] test convert::tests::it_works ... ok
[INFO] [stderr]    Doc-tests rustracing
[INFO] [stdout] test tests::example_code_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/tag.rs - tag::Tag::new (line 14) ... ok
[INFO] [stdout] test src/span.rs - span::Span<T>::inactive (line 30) ... ok
[INFO] [stdout] test src/tracer.rs - tracer::Tracer (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a4c52d5706d2afbd3aaf981d434c0ccbd186f86e5e4d9872c0c41c367d52065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4c52d5706d2afbd3aaf981d434c0ccbd186f86e5e4d9872c0c41c367d52065", kill_on_drop: false }`
[INFO] [stdout] 5a4c52d5706d2afbd3aaf981d434c0ccbd186f86e5e4d9872c0c41c367d52065