[INFO] fetching crate metrics-tracing-context 0.10.0...
[INFO] testing metrics-tracing-context-0.10.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate metrics-tracing-context 0.10.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate metrics-tracing-context 0.10.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-tracing-context 0.10.0
[INFO] finished tweaking crates.io crate metrics-tracing-context 0.10.0
[INFO] tweaked toml for crates.io crate metrics-tracing-context 0.10.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 metrics-util v0.11.1
[INFO] [stderr]   Downloaded lockfree-object-pool v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] bcc7d54b4fecabefeefb243c1437f6b5d6082d9a89961bf8063c0280ab0becf0
[INFO] running `Command { std: "docker" "start" "-a" "bcc7d54b4fecabefeefb243c1437f6b5d6082d9a89961bf8063c0280ab0becf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcc7d54b4fecabefeefb243c1437f6b5d6082d9a89961bf8063c0280ab0becf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc7d54b4fecabefeefb243c1437f6b5d6082d9a89961bf8063c0280ab0becf0", kill_on_drop: false }`
[INFO] [stdout] bcc7d54b4fecabefeefb243c1437f6b5d6082d9a89961bf8063c0280ab0becf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f046d82b6578730a62fc4b23c99aebb81f72c12deaaceb88ed45c7b75e292317
[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" "f046d82b6578730a62fc4b23c99aebb81f72c12deaaceb88ed45c7b75e292317", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics v0.18.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling atomic-shim v0.2.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.2
[INFO] [stderr]    Compiling lockfree-object-pool v0.1.3
[INFO] [stderr]    Compiling raw-cpuid v10.2.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling metrics-macros v0.5.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling metrics-util v0.11.1
[INFO] [stderr]    Compiling metrics-tracing-context v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.74s
[INFO] running `Command { std: "docker" "inspect" "f046d82b6578730a62fc4b23c99aebb81f72c12deaaceb88ed45c7b75e292317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f046d82b6578730a62fc4b23c99aebb81f72c12deaaceb88ed45c7b75e292317", kill_on_drop: false }`
[INFO] [stdout] f046d82b6578730a62fc4b23c99aebb81f72c12deaaceb88ed45c7b75e292317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3aa747d721aee96fe2a9052861320192edee0b1ababc2dbbea34bfa1026197f
[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" "a3aa747d721aee96fe2a9052861320192edee0b1ababc2dbbea34bfa1026197f", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-tracing-context v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "a3aa747d721aee96fe2a9052861320192edee0b1ababc2dbbea34bfa1026197f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3aa747d721aee96fe2a9052861320192edee0b1ababc2dbbea34bfa1026197f", kill_on_drop: false }`
[INFO] [stdout] a3aa747d721aee96fe2a9052861320192edee0b1ababc2dbbea34bfa1026197f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 9b0b1b5694012fa08e484c0811b05e7f841275a2c4d604d520a1ec2c0850fcf8
[INFO] running `Command { std: "docker" "start" "-a" "9b0b1b5694012fa08e484c0811b05e7f841275a2c4d604d520a1ec2c0850fcf8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metrics_tracing_context-61acd81117695798)
[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]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-3910beb2bbb89563)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_basic_functionality ... ok
[INFO] [stdout] test test_label_filtering ... ok
[INFO] [stdout] test test_no_labels ... ok
[INFO] [stdout] test test_multiple_paths_to_the_same_callsite ... ok
[INFO] [stdout] test test_macro_forms ... ok
[INFO] [stdout] test test_nested_spans ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-tracing-context
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b0b1b5694012fa08e484c0811b05e7f841275a2c4d604d520a1ec2c0850fcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0b1b5694012fa08e484c0811b05e7f841275a2c4d604d520a1ec2c0850fcf8", kill_on_drop: false }`
[INFO] [stdout] 9b0b1b5694012fa08e484c0811b05e7f841275a2c4d604d520a1ec2c0850fcf8