[INFO] fetching crate id_tree_layout 2.0.1... [INFO] testing id_tree_layout-2.0.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate id_tree_layout 2.0.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate id_tree_layout 2.0.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate id_tree_layout 2.0.1 [INFO] finished tweaking crates.io crate id_tree_layout 2.0.1 [INFO] tweaked toml for crates.io crate id_tree_layout 2.0.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate id_tree_layout 2.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--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 v1.7.0 [INFO] [stderr] Downloaded xml_writer v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9af700ac54b37028e2f7cb8de106349abf5916135d128319fde0b5143a08ff8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b9af700ac54b37028e2f7cb8de106349abf5916135d128319fde0b5143a08ff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9af700ac54b37028e2f7cb8de106349abf5916135d128319fde0b5143a08ff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9af700ac54b37028e2f7cb8de106349abf5916135d128319fde0b5143a08ff8", kill_on_drop: false }` [INFO] [stdout] b9af700ac54b37028e2f7cb8de106349abf5916135d128319fde0b5143a08ff8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ee06fa2d5cc1bb4fc23f47ca9a4a5b2f1f5c77d9fae5fa3e131f5fddec8330a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8ee06fa2d5cc1bb4fc23f47ca9a4a5b2f1f5c77d9fae5fa3e131f5fddec8330a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling snowflake v1.3.0 [INFO] [stderr] Compiling id_tree v1.7.0 [INFO] [stderr] Compiling id_tree_layout v2.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.83s [INFO] running `Command { std: "docker" "inspect" "8ee06fa2d5cc1bb4fc23f47ca9a4a5b2f1f5c77d9fae5fa3e131f5fddec8330a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ee06fa2d5cc1bb4fc23f47ca9a4a5b2f1f5c77d9fae5fa3e131f5fddec8330a", kill_on_drop: false }` [INFO] [stdout] 8ee06fa2d5cc1bb4fc23f47ca9a4a5b2f1f5c77d9fae5fa3e131f5fddec8330a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 310d5762cce6d01f416199c93eb78c69f43c5601a9c50f45020ecd95c6532581 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "310d5762cce6d01f416199c93eb78c69f43c5601a9c50f45020ecd95c6532581", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling id_tree_layout v2.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.12s [INFO] running `Command { std: "docker" "inspect" "310d5762cce6d01f416199c93eb78c69f43c5601a9c50f45020ecd95c6532581", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "310d5762cce6d01f416199c93eb78c69f43c5601a9c50f45020ecd95c6532581", kill_on_drop: false }` [INFO] [stdout] 310d5762cce6d01f416199c93eb78c69f43c5601a9c50f45020ecd95c6532581 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 823389436c0fab42d1881f3c910def8955019dde718b397e1dee91cf9bfdb2fd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "823389436c0fab42d1881f3c910def8955019dde718b397e1dee91cf9bfdb2fd", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/id_tree_layout-e21e369cbbc8ff71 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/embedder_tests-d0bff92325754566 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stderr] Doc-tests id_tree_layout [INFO] [stdout] test empty_tree ... ok [INFO] [stdout] test tree_with_single_node ... ok [INFO] [stdout] test moved_nodes ... ok [INFO] [stdout] test more_complex_tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [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::with_file_path (line 57) ... 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: Other, message: "Read-only file system" }) }', src/layouter.rs:19:14 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55fe2c7e2020 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55fe2c7e2020 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55fe2c7e2020 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55fe2c7e2020 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55fe2c80138c - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x55fe2c7e0282 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x55fe2c7e42e5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55fe2c7e42e5 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55fe2c7e42e5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55fe2c7e3e3a - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55fe2c7e4a81 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x55fe2c7e45c7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x55fe2c7e24dc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55fe2c7e4529 - rust_begin_unwind [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x55fe2c7ffd41 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55fe2c7ffb63 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x55fe2c79c8f8 - core::result::Result::expect::h3ea754445ca8d964 [INFO] [stdout] 17: 0x55fe2c7a21e7 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 18: 0x55fe2c7994a3 - core::ops::function::FnOnce::call_once::ha451af22024e1864 [INFO] [stdout] 19: 0x55fe2c7989a9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hefd8e56bf97a4afd [INFO] [stdout] 20: 0x55fe2c798a49 - std::rt::lang_start::{{closure}}::hee13be5f96bd7848 [INFO] [stdout] 21: 0x55fe2c7e4ea7 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 22: 0x55fe2c7e4ea7 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stdout] 23: 0x55fe2c7e4ea7 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stdout] 24: 0x55fe2c7e4ea7 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stdout] 25: 0x55fe2c7e4ea7 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:51:25 [INFO] [stdout] 26: 0x55fe2c798a28 - std::rt::lang_start::h290408a3f91c6d5a [INFO] [stdout] 27: 0x55fe2c7a227b - main [INFO] [stdout] 28: 0x7f0ca7e650b3 - __libc_start_main [INFO] [stdout] 29: 0x55fe2c7970ae - _start [INFO] [stdout] 30: 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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "823389436c0fab42d1881f3c910def8955019dde718b397e1dee91cf9bfdb2fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "823389436c0fab42d1881f3c910def8955019dde718b397e1dee91cf9bfdb2fd", kill_on_drop: false }` [INFO] [stdout] 823389436c0fab42d1881f3c910def8955019dde718b397e1dee91cf9bfdb2fd