[INFO] fetching crate slog-extlog 8.1.0...
[INFO] testing slog-extlog-8.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate slog-extlog 8.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate slog-extlog 8.1.0
[INFO] finished tweaking crates.io crate slog-extlog 8.1.0
[INFO] tweaked toml for crates.io crate slog-extlog 8.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-extlog 8.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to highest compatible versions
[INFO] [stderr]       Adding erased-serde v0.3.31 (available: v0.4.10)
[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] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 | homepage = "https://github.com/slog-rs/extlog"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 | repository = "https://github.com/slog-rs/extlog"
[INFO] [stderr]    |              -----------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `slog-extlog` (manifest) generated 1 warning
[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] bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7
[INFO] running `Command { std: "docker" "start" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7", 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" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7" "/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" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7", 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" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 | homepage = "https://github.com/slog-rs/extlog"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 | repository = "https://github.com/slog-rs/extlog"
[INFO] [stderr]    |              -----------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `slog-extlog` (manifest) generated 1 warning
[INFO] [stderr]    Compiling iobuffer v0.2.0
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling time v0.3.55
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling slog-json v2.6.1
[INFO] [stderr]    Compiling slog-extlog v8.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:364:30
[INFO] [stdout]     |
[INFO] [stdout] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 20.49s
[INFO] running `Command { std: "docker" "inspect" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7", 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" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7" "/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] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 | homepage = "https://github.com/slog-rs/extlog"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 | repository = "https://github.com/slog-rs/extlog"
[INFO] [stderr]    |              -----------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `slog-extlog` (manifest) generated 1 warning
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:364:30
[INFO] [stdout]     |
[INFO] [stdout] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling slog-extlog-derive v8.1.0
[INFO] [stderr]    Compiling slog-extlog v8.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:364:30
[INFO] [stdout]     |
[INFO] [stdout] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CumulBucketCounterLog` is never constructed
[INFO] [stdout]    --> tests/stats_query.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct CumulBucketCounterLog {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 22.74s
[INFO] running `Command { std: "docker" "inspect" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7", 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" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 | homepage = "https://github.com/slog-rs/extlog"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 | repository = "https://github.com/slog-rs/extlog"
[INFO] [stderr]    |              -----------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `slog-extlog` (manifest) generated 1 warning
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/stats.rs:257:30
[INFO] [stderr]     |
[INFO] [stderr] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr]     |                              ^                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/stats.rs:364:30
[INFO] [stderr]     |
[INFO] [stderr] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr]     |                              ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `slog-extlog` (lib) generated 2 warnings (run `cargo fix --lib -p slog-extlog` to apply 2 suggestions)
[INFO] [stderr] warning: `slog-extlog` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: struct `CumulBucketCounterLog` is never constructed
[INFO] [stderr]    --> tests/stats_query.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 | struct CumulBucketCounterLog {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `slog-extlog` (test "stats_query") generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/slog-extlog/d529318b188b858d/out/slog_extlog-d529318b188b858d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test stats::tests::check_clone ... ok
[INFO] [stdout] test slog_test::tests::test_partial_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/demo_test.rs (/opt/rustwide/target/release/build/slog-extlog/7e6daf9c0474bd78/out/demo_test-7e6daf9c0474bd78)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_assert_json_matches ... ok
[INFO] [stdout] test test_main ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_main stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_main' (562) panicked at tests/demo_test.rs:28:41:
[INFO] [stdout] index out of bounds: the len is 0 but the index is 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63e202d67ff1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x63e202d7c5ea - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x63e202d6c20c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x63e202d44456 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x63e202d60689 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x63e202cde530 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x63e202d60842 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x63e202d44502 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x63e202d3d219 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x63e202d4510d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x63e202d7cd1c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x63e202d7cb6c - core[a373ad73a504971]::panicking::panic_bounds_check
[INFO] [stdout]   12:     0x63e202ccfdd1 - <demo_test[33cd0c227a8a1c4c]::test_main::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x63e202cd197b - 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]   14:     0x63e202cdeb55 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x63e202cd8444 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x63e202ce1be2 - <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]   17:     0x63e202d6784f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x794f5f077dfa - <unknown>
[INFO] [stdout]   19:     0x794f5f10b3d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_main
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test demo_test`
[INFO] running `Command { std: "docker" "inspect" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7", kill_on_drop: false }`
[INFO] [stdout] bf43b1fdcdfce26b3c9c24e74d7fd83328cf23a8559aa5628338a366a53d71a7
