[INFO] fetching crate id_tree_layout 2.0.2... [INFO] testing id_tree_layout-2.0.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate id_tree_layout 2.0.2 into /workspace/builds/worker-80/source [INFO] validating manifest of crates.io crate id_tree_layout 2.0.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate id_tree_layout 2.0.2 [INFO] finished tweaking crates.io crate id_tree_layout 2.0.2 [INFO] tweaked toml for crates.io crate id_tree_layout 2.0.2 written to /workspace/builds/worker-80/source/Cargo.toml [INFO] crate crates.io crate id_tree_layout 2.0.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snowflake v1.3.0 [INFO] [stderr] Downloaded id_tree v1.8.0 [INFO] [stderr] Downloaded xml_writer v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 66271911b760ff7b12993de8494e9385dec3a25693f45a3e45eace09aa9781e5 [INFO] running `Command { std: "docker" "start" "-a" "66271911b760ff7b12993de8494e9385dec3a25693f45a3e45eace09aa9781e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66271911b760ff7b12993de8494e9385dec3a25693f45a3e45eace09aa9781e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66271911b760ff7b12993de8494e9385dec3a25693f45a3e45eace09aa9781e5", kill_on_drop: false }` [INFO] [stdout] 66271911b760ff7b12993de8494e9385dec3a25693f45a3e45eace09aa9781e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf3afc53cd431c140458cc076679182761b439dfbc83eb7a4cdf20e6c829e24d [INFO] running `Command { std: "docker" "start" "-a" "cf3afc53cd431c140458cc076679182761b439dfbc83eb7a4cdf20e6c829e24d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.71 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling xml_writer v0.4.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling snowflake v1.3.0 [INFO] [stderr] Compiling id_tree v1.8.0 [INFO] [stderr] Compiling id_tree_layout v2.0.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.50s [INFO] running `Command { std: "docker" "inspect" "cf3afc53cd431c140458cc076679182761b439dfbc83eb7a4cdf20e6c829e24d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf3afc53cd431c140458cc076679182761b439dfbc83eb7a4cdf20e6c829e24d", kill_on_drop: false }` [INFO] [stdout] cf3afc53cd431c140458cc076679182761b439dfbc83eb7a4cdf20e6c829e24d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90992c7c594c276d0bfc11340fe9086774d9b43e1bc7218be6b8997249efc8a4 [INFO] running `Command { std: "docker" "start" "-a" "90992c7c594c276d0bfc11340fe9086774d9b43e1bc7218be6b8997249efc8a4", kill_on_drop: false }` [INFO] [stderr] Compiling id_tree_layout v2.0.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.45s [INFO] running `Command { std: "docker" "inspect" "90992c7c594c276d0bfc11340fe9086774d9b43e1bc7218be6b8997249efc8a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90992c7c594c276d0bfc11340fe9086774d9b43e1bc7218be6b8997249efc8a4", kill_on_drop: false }` [INFO] [stdout] 90992c7c594c276d0bfc11340fe9086774d9b43e1bc7218be6b8997249efc8a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] da0bfe08526c831b7527925544b6c06990b512eeafb01a22aa2ec5b49c92318b [INFO] running `Command { std: "docker" "start" "-a" "da0bfe08526c831b7527925544b6c06990b512eeafb01a22aa2ec5b49c92318b", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/id_tree_layout-a073dd9314eec669) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/embedder_tests.rs (/opt/rustwide/target/debug/deps/embedder_tests-f35e989f5afb5b06) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stderr] Doc-tests id_tree_layout [INFO] [stdout] test empty_tree ... ok [INFO] [stdout] test more_complex_tree ... ok [INFO] [stdout] test tree_with_single_node ... ok [INFO] [stdout] test moved_nodes ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/layouter.rs - layouter::Layouter::with_file_path (line 57) ... ok [INFO] [stdout] test src/layouter.rs - layouter::Layouter::with_drawer (line 87) ... ok [INFO] [stdout] test src/layouter.rs - layouter::Layouter::new (line 30) ... ok [INFO] [stdout] test src/layouter.rs - layouter::Layouter::write (line 128) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/layouter.rs - layouter::Layouter::write (line 128) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Failed writing layout: LayouterError { description: "IoError", io_error: Some(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }) }', src/layouter.rs:19:14 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564b0b63911c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x564b0b63911c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x564b0b63911c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x564b0b63911c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x564b0b6577fc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x564b0b636b15 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x564b0b63a720 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x564b0b63a720 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x564b0b63a720 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x564b0b63a2cb - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x564b0b63add4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x564b0b63a8b0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x564b0b6395d4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x564b0b63a819 - rust_begin_unwind [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x564b0b5ead31 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14 [INFO] [stdout] 15: 0x564b0b5eae23 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x564b0b5f08d1 - core::result::Result::expect::hbcbe8716339d72e4 [INFO] [stdout] 17: 0x564b0b5f6479 - rust_out::main::_doctest_main_src_layouter_rs_128_0::h74d7c5788eda0c7f [INFO] [stdout] 18: 0x564b0b5f63a6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 19: 0x564b0b5ed833 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 20: 0x564b0b5ecf89 - std::sys_common::backtrace::__rust_begin_short_backtrace::haf8e35482869953f [INFO] [stdout] 21: 0x564b0b5ed009 - std::rt::lang_start::{{closure}}::h5e534791856c5311 [INFO] [stdout] 22: 0x564b0b638961 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x564b0b638961 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 24: 0x564b0b638961 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 25: 0x564b0b638961 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 26: 0x564b0b638961 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48 [INFO] [stdout] 27: 0x564b0b638961 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stdout] 28: 0x564b0b638961 - std::panicking::try::ha9e37f45dc542517 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stdout] 29: 0x564b0b638961 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stdout] 30: 0x564b0b638961 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stdout] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20 [INFO] [stdout] 31: 0x564b0b5ecff1 - std::rt::lang_start::h606ea79aaa4848ba [INFO] [stdout] 32: 0x564b0b5f64e3 - main [INFO] [stdout] 33: 0x7fa49e4bb0b3 - __libc_start_main [INFO] [stdout] 34: 0x564b0b5eb4ae - _start [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/layouter.rs - layouter::Layouter::write (line 128) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "da0bfe08526c831b7527925544b6c06990b512eeafb01a22aa2ec5b49c92318b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da0bfe08526c831b7527925544b6c06990b512eeafb01a22aa2ec5b49c92318b", kill_on_drop: false }` [INFO] [stdout] da0bfe08526c831b7527925544b6c06990b512eeafb01a22aa2ec5b49c92318b