[INFO] fetching crate json_utils_2024 0.5.2...
[INFO] testing json_utils_2024-0.5.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate json_utils_2024 0.5.2 into /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json_utils_2024 0.5.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64d8d9ce8f8f0bb574b4f665134763af03426a2fca7594483b050fde2b218cfa
[INFO] running `Command { std: "docker" "start" "-a" "64d8d9ce8f8f0bb574b4f665134763af03426a2fca7594483b050fde2b218cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d8d9ce8f8f0bb574b4f665134763af03426a2fca7594483b050fde2b218cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d8d9ce8f8f0bb574b4f665134763af03426a2fca7594483b050fde2b218cfa", kill_on_drop: false }`
[INFO] [stdout] 64d8d9ce8f8f0bb574b4f665134763af03426a2fca7594483b050fde2b218cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7307aaa4e2ed08c2a0e0d77fcab934f14626cb5339915e61663be45767a40c86
[INFO] running `Command { std: "docker" "start" "-a" "7307aaa4e2ed08c2a0e0d77fcab934f14626cb5339915e61663be45767a40c86", 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 2.93s
[INFO] running `Command { std: "docker" "inspect" "7307aaa4e2ed08c2a0e0d77fcab934f14626cb5339915e61663be45767a40c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7307aaa4e2ed08c2a0e0d77fcab934f14626cb5339915e61663be45767a40c86", kill_on_drop: false }`
[INFO] [stdout] 7307aaa4e2ed08c2a0e0d77fcab934f14626cb5339915e61663be45767a40c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e336ba815e8772eb6133860bd8e52d1075af015b61d52c66635415e1b02f5f6d
[INFO] running `Command { std: "docker" "start" "-a" "e336ba815e8772eb6133860bd8e52d1075af015b61d52c66635415e1b02f5f6d", 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:     0x55c2b7867423 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x55c2b7867423 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x55c2b7867423 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x55c2b7867423 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x55c2b73583df - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x55c2b73583df - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x55c2b7825483 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x55c2b7825483 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x55c2b7836882 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x55c2b783d15e - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x55c2b783cc9f - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x55c2b783d545 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]   12:     0x55c2b783d316 - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:700:13
[INFO] [stderr]   13:     0x55c2b78369b9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   14:     0x55c2b78183cd - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stderr]   15:     0x55c2b73626a0 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x55c2b736267c - core::panicking::panic::h2a6fe4ac012a7582
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:150:5
[INFO] [stderr]   17:     0x55c2b6dd33be - <cargo[520c54f3454a7f60]::core::compiler::fingerprint::Fingerprint>::check_filesystem
[INFO] [stderr]   18:     0x55c2b7027466 - cargo[520c54f3454a7f60]::core::compiler::fingerprint::calculate
[INFO] [stderr]   19:     0x55c2b701c029 - cargo[520c54f3454a7f60]::core::compiler::fingerprint::prepare_target
[INFO] [stderr]   20:     0x55c2b6f86089 - cargo[520c54f3454a7f60]::core::compiler::compile
[INFO] [stderr]   21:     0x55c2b6f8782c - cargo[520c54f3454a7f60]::core::compiler::compile
[INFO] [stderr]   22:     0x55c2b6d6a623 - <cargo[520c54f3454a7f60]::core::compiler::build_runner::BuildRunner>::compile
[INFO] [stderr]   23:     0x55c2b6ecaead - cargo[520c54f3454a7f60]::ops::cargo_compile::compile_ws
[INFO] [stderr]   24:     0x55c2b6eceb02 - cargo[520c54f3454a7f60]::ops::cargo_compile::compile_with_exec
[INFO] [stderr]   25:     0x55c2b6ed4fab - cargo[520c54f3454a7f60]::ops::cargo_compile::compile
[INFO] [stderr]   26:     0x55c2b6eaab7f - cargo[520c54f3454a7f60]::ops::cargo_test::compile_tests
[INFO] [stderr]   27:     0x55c2b6eac5e1 - cargo[520c54f3454a7f60]::ops::cargo_test::run_tests
[INFO] [stderr]   28:     0x55c2b728936a - cargo[3d26918a260a0e0a]::commands::test::exec
[INFO] [stderr]   29:     0x55c2b723089e - <cargo[3d26918a260a0e0a]::cli::Exec>::exec
[INFO] [stderr]   30:     0x55c2b722dcb0 - cargo[3d26918a260a0e0a]::main
[INFO] [stderr]   31:     0x55c2b7206aa3 - std[7852ca75000e74fc]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]   32:     0x55c2b721e969 - std[7852ca75000e74fc]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]   33:     0x55c2b7827091 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   34:     0x55c2b7827091 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]   35:     0x55c2b7827091 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]   36:     0x55c2b7827091 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]   37:     0x55c2b7827091 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stderr]   38:     0x55c2b7827091 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]   39:     0x55c2b7827091 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]   40:     0x55c2b7827091 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]   41:     0x55c2b7827091 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stderr]   42:     0x55c2b72ce5c5 - main
[INFO] [stderr]   43:     0x7c68c074d1ca - <unknown>
[INFO] [stderr]   44:     0x7c68c074d28b - __libc_start_main
[INFO] [stderr]   45:     0x55c2b68301a9 - <unknown>
[INFO] [stderr]   46:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e336ba815e8772eb6133860bd8e52d1075af015b61d52c66635415e1b02f5f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e336ba815e8772eb6133860bd8e52d1075af015b61d52c66635415e1b02f5f6d", kill_on_drop: false }`
[INFO] [stdout] e336ba815e8772eb6133860bd8e52d1075af015b61d52c66635415e1b02f5f6d
