[INFO] fetching crate json_utils_2024 0.5.2...
[INFO] testing json_utils_2024-0.5.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate json_utils_2024 0.5.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate json_utils_2024 0.5.2
[INFO] finished tweaking crates.io crate json_utils_2024 0.5.2
[INFO] tweaked toml for crates.io crate json_utils_2024 0.5.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate json_utils_2024 0.5.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50391903caa22be1c19256624be2cec56072abc5a95f43d2f14c009136db2282
[INFO] running `Command { std: "docker" "start" "-a" "50391903caa22be1c19256624be2cec56072abc5a95f43d2f14c009136db2282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50391903caa22be1c19256624be2cec56072abc5a95f43d2f14c009136db2282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50391903caa22be1c19256624be2cec56072abc5a95f43d2f14c009136db2282", kill_on_drop: false }`
[INFO] [stdout] 50391903caa22be1c19256624be2cec56072abc5a95f43d2f14c009136db2282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f2d4f0f54987cb04cbf1cd2f0abaa3773e15d3faf8679b671632ff787bd9a96
[INFO] running `Command { std: "docker" "start" "-a" "5f2d4f0f54987cb04cbf1cd2f0abaa3773e15d3faf8679b671632ff787bd9a96", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/deps/liblibjsonutils-b14670f21dd3e523.rlib
[INFO] [stderr]   |
[INFO] [stderr]   = note: the lib target `libjsonutils` in package `json_utils_2024 v0.5.2 (/opt/rustwide/workdir)` has the same output filename as the lib target `libjsonutils` in package `json_utils_2024 v0.5.2 (/opt/rustwide/workdir)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/liblibjsonutils.rlib
[INFO] [stderr]   |
[INFO] [stderr]   = note: the lib target `libjsonutils` in package `json_utils_2024 v0.5.2 (/opt/rustwide/workdir)` has the same output filename as the lib target `libjsonutils` in package `json_utils_2024 v0.5.2 (/opt/rustwide/workdir)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling json_utils_2024 v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "5f2d4f0f54987cb04cbf1cd2f0abaa3773e15d3faf8679b671632ff787bd9a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2d4f0f54987cb04cbf1cd2f0abaa3773e15d3faf8679b671632ff787bd9a96", kill_on_drop: false }`
[INFO] [stdout] 5f2d4f0f54987cb04cbf1cd2f0abaa3773e15d3faf8679b671632ff787bd9a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3c0a120b37f97da8e4dad4869d919135ba553f14c1f9aa4e58f4a35f5b1eeed
[INFO] running `Command { std: "docker" "start" "-a" "c3c0a120b37f97da8e4dad4869d919135ba553f14c1f9aa4e58f4a35f5b1eeed", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/deps/liblibjsonutils-b14670f21dd3e523.rlib
[INFO] [stderr]   |
[INFO] [stderr]   = note: the lib target `libjsonutils` in package `json_utils_2024 v0.5.2 (/opt/rustwide/workdir)` has the same output filename as the lib target `libjsonutils` in package `json_utils_2024 v0.5.2 (/opt/rustwide/workdir)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (1) panicked at src/tools/cargo/src/cargo/core/compiler/fingerprint/mod.rs:1177:13:
[INFO] [stderr] assertion failed: mtimes.insert(output.clone(), mtime).is_none()
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x583ab638d5d3 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x583ab638d5d3 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x583ab638d5d3 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x583ab638d5d3 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x583ab5e7e77f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x583ab5e7e77f - core::fmt::write::h24186904251c31cb
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x583ab634b523 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x583ab634b523 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x583ab635ca32 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x583ab636330e - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x583ab6362e4f - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x583ab63636f5 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stderr]   12:     0x583ab63634c6 - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:700:13
[INFO] [stderr]   13:     0x583ab635cb79 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   14:     0x583ab633e57d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stderr]   15:     0x583ab5e88a40 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x583ab5e88a1c - core::panicking::panic::h1fe63ac7a400263b
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:150:5
[INFO] [stderr]   17:     0x583ab58f979e - <cargo[34cdda21407c2539]::core::compiler::fingerprint::Fingerprint>::check_filesystem
[INFO] [stderr]   18:     0x583ab5b4d866 - cargo[34cdda21407c2539]::core::compiler::fingerprint::calculate
[INFO] [stderr]   19:     0x583ab5b42429 - cargo[34cdda21407c2539]::core::compiler::fingerprint::prepare_target
[INFO] [stderr]   20:     0x583ab5aac469 - cargo[34cdda21407c2539]::core::compiler::compile
[INFO] [stderr]   21:     0x583ab5aadc0c - cargo[34cdda21407c2539]::core::compiler::compile
[INFO] [stderr]   22:     0x583ab588e6b3 - <cargo[34cdda21407c2539]::core::compiler::build_runner::BuildRunner>::compile
[INFO] [stderr]   23:     0x583ab59f128d - cargo[34cdda21407c2539]::ops::cargo_compile::compile_ws
[INFO] [stderr]   24:     0x583ab59f4ee2 - cargo[34cdda21407c2539]::ops::cargo_compile::compile_with_exec
[INFO] [stderr]   25:     0x583ab59fb38b - cargo[34cdda21407c2539]::ops::cargo_compile::compile
[INFO] [stderr]   26:     0x583ab59d0f5f - cargo[34cdda21407c2539]::ops::cargo_test::compile_tests
[INFO] [stderr]   27:     0x583ab59d29c1 - cargo[34cdda21407c2539]::ops::cargo_test::run_tests
[INFO] [stderr]   28:     0x583ab5daf76a - cargo[d19c88a0cf975f95]::commands::test::exec
[INFO] [stderr]   29:     0x583ab5d5767e - <cargo[d19c88a0cf975f95]::cli::Exec>::exec
[INFO] [stderr]   30:     0x583ab5d540b0 - cargo[d19c88a0cf975f95]::main
[INFO] [stderr]   31:     0x583ab5d2cea3 - std[e95ebcffb71a5621]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]   32:     0x583ab5d44d69 - std[e95ebcffb71a5621]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]   33:     0x583ab634d241 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   34:     0x583ab634d241 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]   35:     0x583ab634d241 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]   36:     0x583ab634d241 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]   37:     0x583ab634d241 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stderr]   38:     0x583ab634d241 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]   39:     0x583ab634d241 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]   40:     0x583ab634d241 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]   41:     0x583ab634d241 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stderr]   42:     0x583ab5df49d5 - main
[INFO] [stderr]   43:     0x738adbcc61ca - <unknown>
[INFO] [stderr]   44:     0x738adbcc628b - __libc_start_main
[INFO] [stderr]   45:     0x583ab5356169 - <unknown>
[INFO] [stderr]   46:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c3c0a120b37f97da8e4dad4869d919135ba553f14c1f9aa4e58f4a35f5b1eeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c0a120b37f97da8e4dad4869d919135ba553f14c1f9aa4e58f4a35f5b1eeed", kill_on_drop: false }`
[INFO] [stdout] c3c0a120b37f97da8e4dad4869d919135ba553f14c1f9aa4e58f4a35f5b1eeed
