[INFO] fetching crate tracers-core 0.1.0...
[INFO] testing tracers-core-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate tracers-core 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tracers-core 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4345f50eb6ff9c08fdaaed842b197d7724eba575ad66a5561504dd7ed3fd7963
[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" "4345f50eb6ff9c08fdaaed842b197d7724eba575ad66a5561504dd7ed3fd7963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4345f50eb6ff9c08fdaaed842b197d7724eba575ad66a5561504dd7ed3fd7963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4345f50eb6ff9c08fdaaed842b197d7724eba575ad66a5561504dd7ed3fd7963", kill_on_drop: false }`
[INFO] [stdout] 4345f50eb6ff9c08fdaaed842b197d7724eba575ad66a5561504dd7ed3fd7963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e886e316fc9c677801cb288b0c0f47e901595868523c63c9f502acb979d62e6
[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" "5e886e316fc9c677801cb288b0c0f47e901595868523c63c9f502acb979d62e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tracers-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.44s
[INFO] running `Command { std: "docker" "inspect" "5e886e316fc9c677801cb288b0c0f47e901595868523c63c9f502acb979d62e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e886e316fc9c677801cb288b0c0f47e901595868523c63c9f502acb979d62e6", kill_on_drop: false }`
[INFO] [stdout] 5e886e316fc9c677801cb288b0c0f47e901595868523c63c9f502acb979d62e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3267338b9e3d4ff5816d6c536038add26a7c19576a92fa8da999725c4494f9a1
[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" "3267338b9e3d4ff5816d6c536038add26a7c19576a92fa8da999725c4494f9a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling tracers-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.05s
[INFO] running `Command { std: "docker" "inspect" "3267338b9e3d4ff5816d6c536038add26a7c19576a92fa8da999725c4494f9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3267338b9e3d4ff5816d6c536038add26a7c19576a92fa8da999725c4494f9a1", kill_on_drop: false }`
[INFO] [stdout] 3267338b9e3d4ff5816d6c536038add26a7c19576a92fa8da999725c4494f9a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a185a986586bf2ee3460c9db70d423ebfc1e57f9784c688fbe60a6c02a9aaefd
[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" "a185a986586bf2ee3460c9db70d423ebfc1e57f9784c688fbe60a6c02a9aaefd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracers_core-a3eea2509d1b73d5
[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::pointer::tests::non_null_pointer ... ok
[INFO] [stdout] test argtypes::int::isize_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::u64_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::i8_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::i64_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::i32_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::pointer::tests::null_pointer ... ok
[INFO] [stdout] test argtypes::refs::test::ref_int ... 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::int::u8_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::refs::test::ref_str ... ok
[INFO] [stdout] test argtypes::option::tests::option_ints ... ok
[INFO] [stdout] test argtypes::string::tests::str_as_c_type ... ok
[INFO] [stdout] test argtypes::string::tests::osstring_as_c_type ... ok
[INFO] [stdout] test argtypes::option::tests::option_strings ... ok
[INFO] [stdout] test argtypes::string::tests::string_as_c_type ... ok
[INFO] [stdout] test argtypes::string::tests::osstr_as_c_type ... ok
[INFO] [stderr]    Doc-tests tracers-core
[INFO] [stdout] test argtypes::cstring::tests::cstring_to_cstring ... 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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a185a986586bf2ee3460c9db70d423ebfc1e57f9784c688fbe60a6c02a9aaefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a185a986586bf2ee3460c9db70d423ebfc1e57f9784c688fbe60a6c02a9aaefd", kill_on_drop: false }`
[INFO] [stdout] a185a986586bf2ee3460c9db70d423ebfc1e57f9784c688fbe60a6c02a9aaefd