[INFO] fetching crate json_utils_2024 0.5.2... [INFO] testing json_utils_2024-0.5.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [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 b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e2240036b3c5c51e1a019a23296c0a2c58b0bb6737c27e477718f2f91b4c783e [INFO] running `Command { std: "docker" "start" "-a" "e2240036b3c5c51e1a019a23296c0a2c58b0bb6737c27e477718f2f91b4c783e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2240036b3c5c51e1a019a23296c0a2c58b0bb6737c27e477718f2f91b4c783e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2240036b3c5c51e1a019a23296c0a2c58b0bb6737c27e477718f2f91b4c783e", kill_on_drop: false }` [INFO] [stdout] e2240036b3c5c51e1a019a23296c0a2c58b0bb6737c27e477718f2f91b4c783e [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb9b6f1f5b145cc71cfdea7bb01cb1b2958758e9043518bf4984714c7f86569f [INFO] running `Command { std: "docker" "start" "-a" "bb9b6f1f5b145cc71cfdea7bb01cb1b2958758e9043518bf4984714c7f86569f", kill_on_drop: false }` [INFO] [stderr] warning: output filename collision. [INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/deps/liblibjsonutils-f521d4a04d8e112e.rlib [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] warning: output filename collision. [INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/liblibjsonutils.rlib [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling json_utils_2024 v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "bb9b6f1f5b145cc71cfdea7bb01cb1b2958758e9043518bf4984714c7f86569f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb9b6f1f5b145cc71cfdea7bb01cb1b2958758e9043518bf4984714c7f86569f", kill_on_drop: false }` [INFO] [stdout] bb9b6f1f5b145cc71cfdea7bb01cb1b2958758e9043518bf4984714c7f86569f [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a983d3591e2d5e727befff2557bb45c660304411a90efbcc31b05e766eb49b8 [INFO] running `Command { std: "docker" "start" "-a" "8a983d3591e2d5e727befff2557bb45c660304411a90efbcc31b05e766eb49b8", kill_on_drop: false }` [INFO] [stderr] warning: output filename collision. [INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/deps/liblibjsonutils-f521d4a04d8e112e.rlib [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [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: 0x624336c55fc2 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x624336c55fc2 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x624336c55fc2 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x624336c55fc2 - ::fmt::h4ee3a75aa71a2c45 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x624336c7fa9f - core::fmt::rt::Argument::fmt::h6f1564705cd089af [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x624336c7fa9f - core::fmt::write::h21ca93b65a7c281a [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x624336c42d43 - std::io::default_write_fmt::h745a1edf2999cb3b [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x624336c42d43 - std::io::Write::write_fmt::hfc56e66d6e189682 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x624336c56612 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x624336c3cd3c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x624336c3cb76 - std::panicking::default_hook::hccb5e73b206c0830 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x624336c3da4a - std::panicking::panic_with_hook::h3190ecc6229cdd29 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x624336c563e6 - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:700:13 [INFO] [stderr] 13: 0x624336c56379 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x624336c3d76d - __rustc[a93bd50104b99ad4]::rust_begin_unwind [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x624336c8c380 - core::panicking::panic_fmt::hc70c3c83f13c1375 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x624336c8c62c - core::panicking::panic::h413ab907c3df10e0 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:145:5 [INFO] [stderr] 17: 0x624335a65723 - ::check_filesystem [INFO] [stderr] 18: 0x624335a6dfde - cargo[106e3919c84a0477]::core::compiler::fingerprint::calculate [INFO] [stderr] 19: 0x624335a5a71c - cargo[106e3919c84a0477]::core::compiler::fingerprint::prepare_target [INFO] [stderr] 20: 0x6243358e9171 - cargo[106e3919c84a0477]::core::compiler::compile [INFO] [stderr] 21: 0x6243358ea9f7 - cargo[106e3919c84a0477]::core::compiler::compile [INFO] [stderr] 22: 0x624335a9037e - ::compile [INFO] [stderr] 23: 0x624335a5799e - cargo[106e3919c84a0477]::ops::cargo_compile::compile_ws [INFO] [stderr] 24: 0x624335a59112 - cargo[106e3919c84a0477]::ops::cargo_compile::compile_with_exec [INFO] [stderr] 25: 0x624335a4f336 - cargo[106e3919c84a0477]::ops::cargo_compile::compile [INFO] [stderr] 26: 0x624335ee432f - cargo[106e3919c84a0477]::ops::cargo_test::compile_tests [INFO] [stderr] 27: 0x624335ee58f7 - cargo[106e3919c84a0477]::ops::cargo_test::run_tests [INFO] [stderr] 28: 0x62433575661c - cargo[b4e6a533349ef8b]::commands::test::exec [INFO] [stderr] 29: 0x62433572bbcd - ::exec [INFO] [stderr] 30: 0x62433573438c - cargo[b4e6a533349ef8b]::main [INFO] [stderr] 31: 0x624335754483 - std[ab536537f3ce4e95]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] 32: 0x6243357c5529 - std[ab536537f3ce4e95]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] 33: 0x624336c56de0 - core::ops::function::impls:: for &F>::call_once::hae16bf8966719858 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 34: 0x624336c56de0 - std::panicking::catch_unwind::do_call::hd4eb7cf01d0f66cd [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stderr] 35: 0x624336c56de0 - std::panicking::catch_unwind::h35b4afc45093edf5 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stderr] 36: 0x624336c56de0 - std::panic::catch_unwind::h5a7ef11ac2fa7980 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stderr] 37: 0x624336c56de0 - std::rt::lang_start_internal::{{closure}}::h18f8e059e8eb5f5a [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:175:24 [INFO] [stderr] 38: 0x624336c56de0 - std::panicking::catch_unwind::do_call::hb4f94f34ea41283f [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stderr] 39: 0x624336c56de0 - std::panicking::catch_unwind::hfbb31091ea806204 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stderr] 40: 0x624336c56de0 - std::panic::catch_unwind::hc88f452387620cfb [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stderr] 41: 0x624336c56de0 - std::rt::lang_start_internal::h23cfb6dcbf9c9010 [INFO] [stderr] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:171:5 [INFO] [stderr] 42: 0x6243357c56e5 - main [INFO] [stderr] 43: 0x7e998a0d91ca - [INFO] [stderr] 44: 0x7e998a0d928b - __libc_start_main [INFO] [stderr] 45: 0x6243357052e9 - [INFO] [stderr] 46: 0x0 - [INFO] running `Command { std: "docker" "inspect" "8a983d3591e2d5e727befff2557bb45c660304411a90efbcc31b05e766eb49b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a983d3591e2d5e727befff2557bb45c660304411a90efbcc31b05e766eb49b8", kill_on_drop: false }` [INFO] [stdout] 8a983d3591e2d5e727befff2557bb45c660304411a90efbcc31b05e766eb49b8