[INFO] fetching crate metrics-tracing-context 0.3.0...
[INFO] checking metrics-tracing-context-0.3.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate metrics-tracing-context 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate metrics-tracing-context 0.3.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-tracing-context 0.3.0
[INFO] finished tweaking crates.io crate metrics-tracing-context 0.3.0
[INFO] tweaked toml for crates.io crate metrics-tracing-context 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-util v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee875cdb02c8a8b0c04cbe2e9687b7415fa813f308df6c6c18d3fff525d17e9
[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" "7ee875cdb02c8a8b0c04cbe2e9687b7415fa813f308df6c6c18d3fff525d17e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee875cdb02c8a8b0c04cbe2e9687b7415fa813f308df6c6c18d3fff525d17e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee875cdb02c8a8b0c04cbe2e9687b7415fa813f308df6c6c18d3fff525d17e9", kill_on_drop: false }`
[INFO] [stdout] 7ee875cdb02c8a8b0c04cbe2e9687b7415fa813f308df6c6c18d3fff525d17e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f79e65b10de9d40a3291a0ef2a0aea96f6d524cef6db7c2cefb1c6b47ecb9e7
[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" "5f79e65b10de9d40a3291a0ef2a0aea96f6d524cef6db7c2cefb1c6b47ecb9e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling metrics v0.14.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking sketches-ddsketch v0.1.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.2
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking quanta v0.7.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]    Compiling metrics-macros v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.13
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking metrics-util v0.6.1
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-subscriber v0.2.16
[INFO] [stderr]     Checking metrics-tracing-context v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "5f79e65b10de9d40a3291a0ef2a0aea96f6d524cef6db7c2cefb1c6b47ecb9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f79e65b10de9d40a3291a0ef2a0aea96f6d524cef6db7c2cefb1c6b47ecb9e7", kill_on_drop: false }`
[INFO] [stdout] 5f79e65b10de9d40a3291a0ef2a0aea96f6d524cef6db7c2cefb1c6b47ecb9e7