[INFO] fetching crate tracers-core 0.1.0...
[INFO] testing tracers-core-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tracers-core 0.1.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate tracers-core 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e54a5f2d44161bb814aee0ea7b05dcc684ac068a3cd555049b88a2cd633468
[INFO] running `Command { std: "docker" "start" "-a" "49e54a5f2d44161bb814aee0ea7b05dcc684ac068a3cd555049b88a2cd633468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e54a5f2d44161bb814aee0ea7b05dcc684ac068a3cd555049b88a2cd633468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e54a5f2d44161bb814aee0ea7b05dcc684ac068a3cd555049b88a2cd633468", kill_on_drop: false }`
[INFO] [stdout] 49e54a5f2d44161bb814aee0ea7b05dcc684ac068a3cd555049b88a2cd633468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e81e1a2ee364d20ae107abaa5244f9ed75aea2e451b86fa684f8b914e92db7c
[INFO] running `Command { std: "docker" "start" "-a" "9e81e1a2ee364d20ae107abaa5244f9ed75aea2e451b86fa684f8b914e92db7c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[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 24.12s
[INFO] running `Command { std: "docker" "inspect" "9e81e1a2ee364d20ae107abaa5244f9ed75aea2e451b86fa684f8b914e92db7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e81e1a2ee364d20ae107abaa5244f9ed75aea2e451b86fa684f8b914e92db7c", kill_on_drop: false }`
[INFO] [stdout] 9e81e1a2ee364d20ae107abaa5244f9ed75aea2e451b86fa684f8b914e92db7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6454d5ac56471e112d3659d424f1cefa1daa19be8c2dc6c61211ea421087a356
[INFO] running `Command { std: "docker" "start" "-a" "6454d5ac56471e112d3659d424f1cefa1daa19be8c2dc6c61211ea421087a356", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[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 quote v0.6.13
[INFO] [stderr]    Compiling regex v1.5.5
[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] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/argtypes/pointer.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracers_core-6aef3bfb99fd3529)
[INFO] running `Command { std: "docker" "inspect" "6454d5ac56471e112d3659d424f1cefa1daa19be8c2dc6c61211ea421087a356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6454d5ac56471e112d3659d424f1cefa1daa19be8c2dc6c61211ea421087a356", kill_on_drop: false }`
[INFO] [stdout] 6454d5ac56471e112d3659d424f1cefa1daa19be8c2dc6c61211ea421087a356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ed6eb11d13e493d06aff7b6dce1326bc75915e4c27147453d3512adb585cdf6
[INFO] running `Command { std: "docker" "start" "-a" "8ed6eb11d13e493d06aff7b6dce1326bc75915e4c27147453d3512adb585cdf6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/argtypes/pointer.rs:36:10
[INFO] [stderr]    |
[INFO] [stderr] 36 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: `tracers-core` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracers_core-6aef3bfb99fd3529)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test argtypes::bool::tests::as_c_type ... ok
[INFO] [stdout] test argtypes::int::i16_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::i64_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::u64_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::u32_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::i8_test::converts_to_c_type ... 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::u16_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::int::isize_test::converts_to_c_type ... ok
[INFO] [stdout] test argtypes::option::tests::option_ints ... 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::refs::test::ref_int ... ok
[INFO] [stdout] test argtypes::refs::test::ref_str ... ok
[INFO] [stdout] test argtypes::cstring::tests::cstring_to_cstring ... ok
[INFO] [stdout] test argtypes::option::tests::option_strings ... ok
[INFO] [stdout] test argtypes::string::tests::str_as_c_type ... ok
[INFO] [stdout] test argtypes::string::tests::osstr_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; finished in 0.03s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ed6eb11d13e493d06aff7b6dce1326bc75915e4c27147453d3512adb585cdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed6eb11d13e493d06aff7b6dce1326bc75915e4c27147453d3512adb585cdf6", kill_on_drop: false }`
[INFO] [stdout] 8ed6eb11d13e493d06aff7b6dce1326bc75915e4c27147453d3512adb585cdf6