[INFO] crate tracers-core 0.1.0 is already in cache
[INFO] testing tracers-core-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate tracers-core 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tracers-core 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tracers-core 0.1.0
[INFO] finished tweaking crates.io crate tracers-core 0.1.0
[INFO] tweaked toml for crates.io crate tracers-core 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32869ac8bd20140fd984ca248e166cde0350f2a1ef65b89115a3a7bdafc0dfe3
[INFO] running `"docker" "start" "-a" "32869ac8bd20140fd984ca248e166cde0350f2a1ef65b89115a3a7bdafc0dfe3"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling tracers-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.91s
[INFO] running `"docker" "inspect" "32869ac8bd20140fd984ca248e166cde0350f2a1ef65b89115a3a7bdafc0dfe3"`
[INFO] running `"docker" "rm" "-f" "32869ac8bd20140fd984ca248e166cde0350f2a1ef65b89115a3a7bdafc0dfe3"`
[INFO] [stdout] 32869ac8bd20140fd984ca248e166cde0350f2a1ef65b89115a3a7bdafc0dfe3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb5a90de3c8f860bccdaec14eb458af3035ba4c60fe9045769c181381f0eba7d
[INFO] running `"docker" "start" "-a" "bb5a90de3c8f860bccdaec14eb458af3035ba4c60fe9045769c181381f0eba7d"`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling tracers-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.09s
[INFO] running `"docker" "inspect" "bb5a90de3c8f860bccdaec14eb458af3035ba4c60fe9045769c181381f0eba7d"`
[INFO] running `"docker" "rm" "-f" "bb5a90de3c8f860bccdaec14eb458af3035ba4c60fe9045769c181381f0eba7d"`
[INFO] [stdout] bb5a90de3c8f860bccdaec14eb458af3035ba4c60fe9045769c181381f0eba7d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 4b8d5233afcd100d2d9ecf276fba3fde64148b25990110428750a54859571ff8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4b8d5233afcd100d2d9ecf276fba3fde64148b25990110428750a54859571ff8"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracers_core-75d21e01b6cd92a9
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test argtypes::bool::tests::as_c_type ... ok
[INFO] [stdout] test argtypes::int::u32_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::i16_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::u16_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::usize_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::pointer::tests::non_null_pointer ... ok
[INFO] [stdout] test argtypes::pointer::tests::null_pointer ... ok
[INFO] [stdout] test argtypes::int::isize_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::refs::test::ref_str ... ok
[INFO] [stdout] test argtypes::int::u64_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::option::tests::option_ints ... ok
[INFO] [stdout] test argtypes::int::i8_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::refs::test::ref_int ... ok
[INFO] [stdout] test argtypes::int::u8_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::i32_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::i64_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::option::tests::option_strings ... ok
[INFO] [stdout] test argtypes::cstring::tests::cstring_to_cstring ... ok
[INFO] [stdout] test argtypes::string::tests::osstr_as_c_type ... ok
[INFO] [stdout] test argtypes::string::tests::str_as_c_type ... ok
[INFO] [stdout] test argtypes::string::tests::string_as_c_type ... ok
[INFO] [stdout] test argtypes::string::tests::osstring_as_c_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracers-core
[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] running `"docker" "inspect" "4b8d5233afcd100d2d9ecf276fba3fde64148b25990110428750a54859571ff8"`
[INFO] running `"docker" "rm" "-f" "4b8d5233afcd100d2d9ecf276fba3fde64148b25990110428750a54859571ff8"`
[INFO] [stdout] 4b8d5233afcd100d2d9ecf276fba3fde64148b25990110428750a54859571ff8