[INFO] fetching crate tracing-timing 0.4.3...
[INFO] testing tracing-timing-0.4.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tracing-timing 0.4.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tracing-timing 0.4.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-timing 0.4.3
[INFO] finished tweaking crates.io crate tracing-timing 0.4.3
[INFO] tweaked toml for crates.io crate tracing-timing 0.4.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate tracing-timing 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b86beb2e02aeefa8ed27fa6bb5e3ee92ead2ba851c1e4932d80829a6c2d2679e
[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" "b86beb2e02aeefa8ed27fa6bb5e3ee92ead2ba851c1e4932d80829a6c2d2679e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86beb2e02aeefa8ed27fa6bb5e3ee92ead2ba851c1e4932d80829a6c2d2679e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86beb2e02aeefa8ed27fa6bb5e3ee92ead2ba851c1e4932d80829a6c2d2679e", kill_on_drop: false }`
[INFO] [stdout] b86beb2e02aeefa8ed27fa6bb5e3ee92ead2ba851c1e4932d80829a6c2d2679e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9339cab0e04ac9636d867b7f1d182c14febdb038dc3a27ae61052999957c6f2
[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" "e9339cab0e04ac9636d867b7f1d182c14febdb038dc3a27ae61052999957c6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.9
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling quanta v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.46
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling tracing-serde v0.1.0
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.0
[INFO] [stderr]    Compiling hdrhistogram v7.0.0
[INFO] [stderr]    Compiling tracing-timing v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.74s
[INFO] running `Command { std: "docker" "inspect" "e9339cab0e04ac9636d867b7f1d182c14febdb038dc3a27ae61052999957c6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9339cab0e04ac9636d867b7f1d182c14febdb038dc3a27ae61052999957c6f2", kill_on_drop: false }`
[INFO] [stdout] e9339cab0e04ac9636d867b7f1d182c14febdb038dc3a27ae61052999957c6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96395cddd0c111d37c8761f5e674a3e28623abd7f51816cd97ecba3e91f3c179
[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" "96395cddd0c111d37c8761f5e674a3e28623abd7f51816cd97ecba3e91f3c179", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling tracing v0.1.12
[INFO] [stderr]    Compiling tracing-timing v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 44.05s
[INFO] running `Command { std: "docker" "inspect" "96395cddd0c111d37c8761f5e674a3e28623abd7f51816cd97ecba3e91f3c179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96395cddd0c111d37c8761f5e674a3e28623abd7f51816cd97ecba3e91f3c179", kill_on_drop: false }`
[INFO] [stdout] 96395cddd0c111d37c8761f5e674a3e28623abd7f51816cd97ecba3e91f3c179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 739107b7395e4adc1b59d978c13eb5afe4282cab40ae9d030073615345da2cd1
[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" "739107b7395e4adc1b59d978c13eb5afe4282cab40ae9d030073615345da2cd1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_timing-06a7b80629ceebc1
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/layer-58fa3b941548f3fd
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test by_name ... ok
[INFO] [stdout] test by_closure ... ok
[INFO] [stdout] test by_default ... ok
[INFO] [stdout] test by_field_typed ... ok
[INFO] [stdout] test dupe_span ... ok
[INFO] [stdout] test by_field ... ok
[INFO] [stdout] test downcaster ... ok
[INFO] [stdout] test custom_time ... ok
[INFO] [stdout] test explicit_span_parent ... ok
[INFO] [stdout] test tracks_current_span ... ok
[INFO] [stdout] test by_target ... ok
[INFO] [stdout] test tracks_current_span_deep ... ok
[INFO] [stdout] test event_order ... ok
[INFO] [stdout] test nested_no_bubble ... ok
[INFO] [stdout] test explicit_event_parent ... ok
[INFO] [stdout] test same_event_two_threads ... ok
[INFO] [stdout] test informed_histogram_constructor ... ok
[INFO] [stdout] test nested_bubble ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stdout] test free_standing_event ... ok
[INFO] [stdout] test nested_diff ... ok
[INFO] [stdout] test samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subscriber-65193495213ef591
[INFO] [stdout] test downcaster ... ok
[INFO] [stdout] test by_closure ... ok
[INFO] [stdout] test by_target ... ok
[INFO] [stdout] test by_field ... ok
[INFO] [stdout] test by_name ... ok
[INFO] [stdout] test by_default ... ok
[INFO] [stdout] test dupe_span ... ok
[INFO] [stdout] test by_field_typed ... ok
[INFO] [stdout] test tracks_current_span_deep ... ok
[INFO] [stdout] test free_standing_event ... ok
[INFO] [stdout] test tracks_current_span ... ok
[INFO] [stdout] test informed_histogram_constructor ... ok
[INFO] [stdout] test event_order ... ok
[INFO] [stdout] test explicit_event_parent ... ok
[INFO] [stdout] test custom_time ... ok
[INFO] [stdout] test explicit_span_parent ... ok
[INFO] [stdout] test nested_diff ... ok
[INFO] [stdout] test nested_bubble ... ok
[INFO] [stdout] test nested_no_bubble ... ok
[INFO] [stdout] test same_event_two_threads ... ok
[INFO] [stdout] test nested ... ok
[INFO] [stderr]    Doc-tests tracing-timing
[INFO] [stdout] test samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 130) ... ok
[INFO] [stdout] test src/layer.rs - layer::TimingLayer<S, E>::downcaster (line 153) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 71) ... FAILED
[INFO] [stdout] test src/subscriber.rs - subscriber::TimingSubscriber<S, E>::downcaster (line 268) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 105) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 223) ... FAILED
[INFO] [stdout] test src/builder.rs - builder::Builder<S, E>::layer_informed (line 160) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder (line 12) ... ok
[INFO] [stdout] test src/lib.rs - SpanGroup (line 243) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder<S, E>::build_informed (line 103) ... ok
[INFO] [stdout] test src/lib.rs - EventGroup (line 271) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/layer.rs - layer::TimingLayer<S, E>::downcaster (line 153) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 71) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/subscriber.rs - subscriber::TimingSubscriber<S, E>::downcaster (line 268) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 105) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 223) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/layer.rs - layer::TimingLayer<S, E>::downcaster (line 153)
[INFO] [stdout]     src/lib.rs - (line 105)
[INFO] [stdout]     src/lib.rs - (line 223)
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout]     src/lib.rs - (line 71)
[INFO] [stdout]     src/subscriber.rs - subscriber::TimingSubscriber<S, E>::downcaster (line 268)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "739107b7395e4adc1b59d978c13eb5afe4282cab40ae9d030073615345da2cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739107b7395e4adc1b59d978c13eb5afe4282cab40ae9d030073615345da2cd1", kill_on_drop: false }`
[INFO] [stdout] 739107b7395e4adc1b59d978c13eb5afe4282cab40ae9d030073615345da2cd1