[INFO] fetching crate zoomies 0.1.0...
[INFO] testing zoomies-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zoomies 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate zoomies 0.1.0 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 zoomies 0.1.0
[INFO] finished tweaking crates.io crate zoomies 0.1.0
[INFO] tweaked toml for crates.io crate zoomies 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate zoomies 0.1.0 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] 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" "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] 24c5c17dc106b7d34c0c6cd4e5ad89c517f091f3f5d3926367dd380d857e3387
[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" "24c5c17dc106b7d34c0c6cd4e5ad89c517f091f3f5d3926367dd380d857e3387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c5c17dc106b7d34c0c6cd4e5ad89c517f091f3f5d3926367dd380d857e3387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c5c17dc106b7d34c0c6cd4e5ad89c517f091f3f5d3926367dd380d857e3387", kill_on_drop: false }`
[INFO] [stdout] 24c5c17dc106b7d34c0c6cd4e5ad89c517f091f3f5d3926367dd380d857e3387
[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" "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] 3db0a5550076aa881eae0aaccb944e5429103633b85870ad5234849859271c9a
[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" "3db0a5550076aa881eae0aaccb944e5429103633b85870ad5234849859271c9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling fastrand v1.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling async-channel v1.4.2
[INFO] [stderr]    Compiling async-mutex v1.2.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling multitask v0.2.0
[INFO] [stderr]    Compiling polling v0.1.8
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v0.5.2
[INFO] [stderr]    Compiling async-io v0.1.11
[INFO] [stderr]    Compiling async-executor v0.1.2
[INFO] [stderr]    Compiling async-std v1.6.3
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling zoomies v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::DatagramFormat`
[INFO] [stdout]    --> src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use super::DatagramFormat;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/lib.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.67s
[INFO] running `Command { std: "docker" "inspect" "3db0a5550076aa881eae0aaccb944e5429103633b85870ad5234849859271c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db0a5550076aa881eae0aaccb944e5429103633b85870ad5234849859271c9a", kill_on_drop: false }`
[INFO] [stdout] 3db0a5550076aa881eae0aaccb944e5429103633b85870ad5234849859271c9a
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79116bc2093c1e54d4228a55e1df4eb2739eb1fbc7d912552a89feb6220a0a30
[INFO] running `Command { std: "docker" "start" "-a" "79116bc2093c1e54d4228a55e1df4eb2739eb1fbc7d912552a89feb6220a0a30", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `super::DatagramFormat`
[INFO] [stdout]    --> src/lib.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use super::DatagramFormat;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/lib.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zoomies v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "79116bc2093c1e54d4228a55e1df4eb2739eb1fbc7d912552a89feb6220a0a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79116bc2093c1e54d4228a55e1df4eb2739eb1fbc7d912552a89feb6220a0a30", kill_on_drop: false }`
[INFO] [stdout] 79116bc2093c1e54d4228a55e1df4eb2739eb1fbc7d912552a89feb6220a0a30
[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" "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] d1184bc4bd66e23c84f5bdee701b01c554a2a86e7a6c2fc56bd43dbc32eff7eb
[INFO] running `Command { std: "docker" "start" "-a" "d1184bc4bd66e23c84f5bdee701b01c554a2a86e7a6c2fc56bd43dbc32eff7eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `super::DatagramFormat`
[INFO] [stderr]    --> src/lib.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use super::DatagramFormat;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]    --> src/lib.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |     use std::collections::HashMap;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `zoomies` (lib) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zoomies-dfe767fe984907d5)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test events::test::test_event_with_all_stoppers ... ignored
[INFO] [stdout] test events::test::test_event_with_timestamp ... ignored
[INFO] [stdout] test events::test::test_event_creation ... ok
[INFO] [stdout] test metrics::tests::test_metrics_dec ... ok
[INFO] [stdout] test metrics::tests::test_metrics_distribution ... ok
[INFO] [stdout] test metrics::tests::test_metrics_gauge ... ok
[INFO] [stdout] test test::test_multiple_tags ... ignored
[INFO] [stdout] test metrics::tests::test_metrics_histogram ... ok
[INFO] [stdout] test test::test_empty_tag ... ok
[INFO] [stdout] test metrics::tests::test_metrics_set ... ok
[INFO] [stdout] test test::test_single_tag ... ok
[INFO] [stdout] test events::test::test_simple_event ... ok
[INFO] [stdout] test metrics::tests::test_metrics_arb ... ok
[INFO] [stdout] test metrics::tests::test_metrics_inc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/example-1757245712c8ae48)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zoomies
[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] running `Command { std: "docker" "inspect" "d1184bc4bd66e23c84f5bdee701b01c554a2a86e7a6c2fc56bd43dbc32eff7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1184bc4bd66e23c84f5bdee701b01c554a2a86e7a6c2fc56bd43dbc32eff7eb", kill_on_drop: false }`
[INFO] [stdout] d1184bc4bd66e23c84f5bdee701b01c554a2a86e7a6c2fc56bd43dbc32eff7eb