[INFO] fetching crate test-env-log 0.2.3...
[INFO] testing test-env-log-0.2.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate test-env-log 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate test-env-log 0.2.3 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 test-env-log 0.2.3
[INFO] finished tweaking crates.io crate test-env-log 0.2.3
[INFO] tweaked toml for crates.io crate test-env-log 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14e0d765bef79168b7653443ffb61aeadb189df14d2e7091f0c2f1dee6d3cc96
[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" "14e0d765bef79168b7653443ffb61aeadb189df14d2e7091f0c2f1dee6d3cc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14e0d765bef79168b7653443ffb61aeadb189df14d2e7091f0c2f1dee6d3cc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e0d765bef79168b7653443ffb61aeadb189df14d2e7091f0c2f1dee6d3cc96", kill_on_drop: false }`
[INFO] [stdout] 14e0d765bef79168b7653443ffb61aeadb189df14d2e7091f0c2f1dee6d3cc96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 112a20aa76e0621681e7e28e9248ad7f808b85a156c45613806af8420163448f
[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" "112a20aa76e0621681e7e28e9248ad7f808b85a156c45613806af8420163448f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling test-env-log v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.89s
[INFO] running `Command { std: "docker" "inspect" "112a20aa76e0621681e7e28e9248ad7f808b85a156c45613806af8420163448f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112a20aa76e0621681e7e28e9248ad7f808b85a156c45613806af8420163448f", kill_on_drop: false }`
[INFO] [stdout] 112a20aa76e0621681e7e28e9248ad7f808b85a156c45613806af8420163448f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2051b4ca3625ed39b361ee848a8dae70f3dc39d339fd970965bd0f93bf7aec81
[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" "2051b4ca3625ed39b361ee848a8dae70f3dc39d339fd970965bd0f93bf7aec81", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling test-env-log v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.11s
[INFO] running `Command { std: "docker" "inspect" "2051b4ca3625ed39b361ee848a8dae70f3dc39d339fd970965bd0f93bf7aec81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2051b4ca3625ed39b361ee848a8dae70f3dc39d339fd970965bd0f93bf7aec81", kill_on_drop: false }`
[INFO] [stdout] 2051b4ca3625ed39b361ee848a8dae70f3dc39d339fd970965bd0f93bf7aec81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 701ef7ba6e1a95a92d8d4b89c23f23fef51d25f6a815dfe24ad3bba8d8e5716d
[INFO] running `Command { std: "docker" "start" "-a" "701ef7ba6e1a95a92d8d4b89c23f23fef51d25f6a815dfe24ad3bba8d8e5716d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_env_log-dcbbc2f8f206565a
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mod-ce31edb729ec41b7
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test local::with_inner_test_attribute_and_async::f ... ok
[INFO] [stdout] test local::without_return_type::f ... ok
[INFO] [stdout] test local::with_return_type::f ... ok
[INFO] [stdout] test with_inner_test_attribute_and_async::f ... ok
[INFO] [stdout] test trace_with_tokio_attribute::f ... ok
[INFO] [stdout] test trace_with_custom_runtime::f ... ok
[INFO] [stdout] test without_return_type::f ... ok
[INFO] [stdout] test with_return_type::f ... ok
[INFO] [stdout] test with_panic::f ... ok
[INFO] [stdout] test local::with_panic::f ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test-env-log
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - test (line 51) ... ok
[INFO] [stdout] test src/lib.rs - test (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "701ef7ba6e1a95a92d8d4b89c23f23fef51d25f6a815dfe24ad3bba8d8e5716d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701ef7ba6e1a95a92d8d4b89c23f23fef51d25f6a815dfe24ad3bba8d8e5716d", kill_on_drop: false }`
[INFO] [stdout] 701ef7ba6e1a95a92d8d4b89c23f23fef51d25f6a815dfe24ad3bba8d8e5716d