[INFO] fetching crate tracing-core 0.1.36...
[INFO] testing tracing-core-0.1.36 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate tracing-core 0.1.36 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tracing-core 0.1.36
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-core 0.1.36
[INFO] tweaked toml for crates.io crate tracing-core 0.1.36 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-core 0.1.36 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-core 0.1.36 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb
[INFO] running `Command { std: "docker" "start" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `no_mangle_generic_items` has been removed: converted into hard error, generic items must always be mangled
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     no_mangle_generic_items,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `no_mangle_generic_items` has been removed: converted into hard error, generic items must always be mangled
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     no_mangle_generic_items,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `no_mangle_generic_items` has been removed: converted into hard error, generic items must always be mangled
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     no_mangle_generic_items,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: lint `no_mangle_generic_items` has been removed: converted into hard error, generic items must always be mangled
[INFO] [stderr]    --> src/lib.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     no_mangle_generic_items,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-core` (lib) generated 1 warning
[INFO] [stderr] warning: `tracing-core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/tracing-core/e374c0d2d8a68112/out/tracing_core-e374c0d2d8a68112)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test dispatcher::test::spans_dont_infinite_loop ... ok
[INFO] [stdout] test dispatcher::test::default_dispatch ... ok
[INFO] [stdout] test field::test::fields_from_other_callsets_are_skipped ... ok
[INFO] [stdout] test dispatcher::test::events_dont_infinite_loop ... ok
[INFO] [stdout] test dispatcher::test::default_no_subscriber ... ok
[INFO] [stdout] test field::test::empty_fields_are_skipped ... ok
[INFO] [stdout] test field::test::empty_value_set_is_empty ... ok
[INFO] [stdout] test field::test::index_of_field_in_fieldset_is_correct ... ok
[INFO] [stdout] test field::test::record_bytes ... ok
[INFO] [stdout] test field::test::record_debug_fn ... ok
[INFO] [stdout] test dispatcher::test::dispatch_downcasts ... ok
[INFO] [stdout] test field::test::sparse_value_sets_are_not_empty ... ok
[INFO] [stdout] test metadata::tests::filter_level_conversion ... ok
[INFO] [stdout] test field::test::record_error ... ok
[INFO] [stdout] test metadata::tests::level_filter_is_usize_sized ... ok
[INFO] [stdout] test field::test::value_sets_with_fields_from_other_callsites_are_empty ... ok
[INFO] [stdout] test field::test::value_set_with_no_values_is_empty ... ok
[INFO] [stdout] test metadata::tests::level_from_str ... ok
[INFO] [stdout] test metadata::tests::level_filter_reprs ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test dispatcher::test::dispatch_is ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- metadata::tests::level_filter_reprs stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'metadata::tests::level_filter_reprs' (268) panicked at src/metadata.rs:1119:13:
[INFO] [stdout] assertion `left == right` failed: repr changed for LevelFilter::OFF
[INFO] [stdout]   left: 5
[INFO] [stdout]  right: 18446744073709551615
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60613d689ba1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x60613d69e2ea - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x60613d68ddbc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x60613d665e76 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x60613d6820a9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x60613d61e490 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x60613d682262 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x60613d665f22 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x60613d65ec39 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x60613d666b2d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x60613d69ea4c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x60613d69e9c3 - core[a373ad73a504971]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x60613d69a9b8 - core[a373ad73a504971]::panicking::assert_failed::<usize, usize>
[INFO] [stdout]   13:     0x60613d610177 - tracing_core[953587098c160d0b]::metadata::tests::level_filter_reprs
[INFO] [stdout]   14:     0x60613d610646 - <tracing_core[953587098c160d0b]::metadata::tests::level_filter_reprs::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   15:     0x60613d6118db - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   16:     0x60613d61eab5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   17:     0x60613d6183a4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   18:     0x60613d621b42 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   19:     0x60613d6893cf - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   20:     0x7f939cededfa - <unknown>
[INFO] [stdout]   21:     0x7f939cf723d4 - clone
[INFO] [stdout]   22:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     metadata::tests::level_filter_reprs
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb", kill_on_drop: false }`
[INFO] [stdout] b6f897150b19b450b5c6f572204f76a576e53b6034d2ad3e17c0844626ce4ddb
