[INFO] fetching crate xi-trace 0.2.0...
[INFO] testing xi-trace-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate xi-trace 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xi-trace 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xi-trace 0.2.0
[INFO] finished tweaking crates.io crate xi-trace 0.2.0
[INFO] tweaked toml for crates.io crate xi-trace 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b03f86f13a02ca4fefac6a6d3d1d01c51fe6b3edfceaf9f3468335b445690619
[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" "b03f86f13a02ca4fefac6a6d3d1d01c51fe6b3edfceaf9f3468335b445690619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b03f86f13a02ca4fefac6a6d3d1d01c51fe6b3edfceaf9f3468335b445690619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03f86f13a02ca4fefac6a6d3d1d01c51fe6b3edfceaf9f3468335b445690619", kill_on_drop: false }`
[INFO] [stdout] b03f86f13a02ca4fefac6a6d3d1d01c51fe6b3edfceaf9f3468335b445690619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] f730fcb568e4a3a2ce58ee20d8ba62ff1495a7f5794cfead58024437cd73ea9d
[INFO] running `Command { std: "docker" "start" "-a" "f730fcb568e4a3a2ce58ee20d8ba62ff1495a7f5794cfead58024437cd73ea9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling xi-trace v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.12s
[INFO] running `Command { std: "docker" "inspect" "f730fcb568e4a3a2ce58ee20d8ba62ff1495a7f5794cfead58024437cd73ea9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f730fcb568e4a3a2ce58ee20d8ba62ff1495a7f5794cfead58024437cd73ea9d", kill_on_drop: false }`
[INFO] [stdout] f730fcb568e4a3a2ce58ee20d8ba62ff1495a7f5794cfead58024437cd73ea9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 1d5a9900aead9272d31339dff9eee9edeb35a47a060bad24c881ca558e673de5
[INFO] running `Command { std: "docker" "start" "-a" "1d5a9900aead9272d31339dff9eee9edeb35a47a060bad24c881ca558e673de5", kill_on_drop: false }`
[INFO] [stderr]    Compiling xi-trace v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "1d5a9900aead9272d31339dff9eee9edeb35a47a060bad24c881ca558e673de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5a9900aead9272d31339dff9eee9edeb35a47a060bad24c881ca558e673de5", kill_on_drop: false }`
[INFO] [stdout] 1d5a9900aead9272d31339dff9eee9edeb35a47a060bad24c881ca558e673de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] b744c6c517be09d351aa10b6bf750f6af205e6f6268eee1bb8f4604cf8506012
[INFO] running `Command { std: "docker" "start" "-a" "b744c6c517be09d351aa10b6bf750f6af205e6f6268eee1bb8f4604cf8506012", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xi_trace-5b57224cfe887351)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_cross_process_samples ... ok
[INFO] [stdout] test tests::test_get_samples ... ok
[INFO] [stdout] test tests::test_disable_drops_all_samples ... ok
[INFO] [stdout] test chrome_trace_dump::tests::test_chrome_trace_serialization ... ok
[INFO] [stdout] test fixed_lifo_deque::tests::test_basic_insertions ... ok
[INFO] [stdout] test tests::test_get_samples_nested_trace ... ok
[INFO] [stdout] test tests::test_samples_closure ... ok
[INFO] [stdout] test tests::test_samples_pulse ... ok
[INFO] [stdout] test chrome_trace_dump::tests::test_chrome_trace_deserialization ... ok
[INFO] [stdout] test tests::test_samples_block ... ok
[INFO] [stdout] test tests::test_trace_disabled ... ok
[INFO] [stdout] test tests::test_get_sorted_samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xi-trace
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/chrome_trace_dump.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | / /// This serializes the samples into the [Chrome trace event format](https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=...
[INFO] [stderr] 67 | | ///
[INFO] [stderr] 68 | | /// # Arguments
[INFO] [stderr] 69 | | /// `samples` - Something that can be converted into an iterator of sample
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | | /// serialize(samples.iter(), serialized);
[INFO] [stderr] 84 | | /// ```
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - trace_payload (line 927) ... ignored
[INFO] [stdout] test src/lib.rs - trace_payload (line 921) ... ok
[INFO] [stdout] test src/lib.rs - trace_closure (line 1019) ... ok
[INFO] [stdout] test src/lib.rs - trace_block (line 962) ... ok
[INFO] [stdout] test src/lib.rs - trace (line 883) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b744c6c517be09d351aa10b6bf750f6af205e6f6268eee1bb8f4604cf8506012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b744c6c517be09d351aa10b6bf750f6af205e6f6268eee1bb8f4604cf8506012", kill_on_drop: false }`
[INFO] [stdout] b744c6c517be09d351aa10b6bf750f6af205e6f6268eee1bb8f4604cf8506012