[INFO] fetching crate id_tree_layout 2.0.2... [INFO] testing id_tree_layout-2.0.2 against 1.55.0 for beta-1.56-1 [INFO] extracting crate id_tree_layout 2.0.2 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate id_tree_layout 2.0.2 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-5/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65e5c78142bcc8d6d11e4929c3692221d1943f01c382dd2f719682788c3f7b50 [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" "65e5c78142bcc8d6d11e4929c3692221d1943f01c382dd2f719682788c3f7b50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65e5c78142bcc8d6d11e4929c3692221d1943f01c382dd2f719682788c3f7b50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65e5c78142bcc8d6d11e4929c3692221d1943f01c382dd2f719682788c3f7b50", kill_on_drop: false }` [INFO] [stdout] 65e5c78142bcc8d6d11e4929c3692221d1943f01c382dd2f719682788c3f7b50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5a02abc87c5a443af39e6c31e665a64f30acd6e869b8fa8457ec25ce7a83b1e [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" "a5a02abc87c5a443af39e6c31e665a64f30acd6e869b8fa8457ec25ce7a83b1e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.71 [INFO] [stderr] Compiling xml_writer v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.125 [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 23.46s [INFO] running `Command { std: "docker" "inspect" "a5a02abc87c5a443af39e6c31e665a64f30acd6e869b8fa8457ec25ce7a83b1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5a02abc87c5a443af39e6c31e665a64f30acd6e869b8fa8457ec25ce7a83b1e", kill_on_drop: false }` [INFO] [stdout] a5a02abc87c5a443af39e6c31e665a64f30acd6e869b8fa8457ec25ce7a83b1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 478e7ba16065b7245e099da3caa5d3bbbb6ddc537ccbd84066ae5440f5427585 [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" "478e7ba16065b7245e099da3caa5d3bbbb6ddc537ccbd84066ae5440f5427585", 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 4.03s [INFO] running `Command { std: "docker" "inspect" "478e7ba16065b7245e099da3caa5d3bbbb6ddc537ccbd84066ae5440f5427585", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "478e7ba16065b7245e099da3caa5d3bbbb6ddc537ccbd84066ae5440f5427585", kill_on_drop: false }` [INFO] [stdout] 478e7ba16065b7245e099da3caa5d3bbbb6ddc537ccbd84066ae5440f5427585 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5852d249dd5b1bc5edb8a2afee35674a85e3b8790245a8e44b2e242e180340b9 [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" "5852d249dd5b1bc5edb8a2afee35674a85e3b8790245a8e44b2e242e180340b9", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/id_tree_layout-0e2dee0fb758797e) [INFO] [stderr] Running tests/embedder_tests.rs (/opt/rustwide/target/debug/deps/embedder_tests-9846dfffe4ca0d0b) [INFO] [stdout] [INFO] [stderr] Doc-tests id_tree_layout [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] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test more_complex_tree ... ok [INFO] [stdout] test tree_with_single_node ... ok [INFO] [stdout] test empty_tree ... 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 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [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::with_drawer (line 87) ... 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: 0x5631e752be40 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5631e752be40 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5631e752be40 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5631e752be40 - ::fmt::he1640d5f0d93f618 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5631e754a0cc - core::fmt::write::h88012e1f01caeebf [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x5631e752a725 - std::io::Write::write_fmt::h360fa85b30182555 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stdout] 6: 0x5631e752da7b - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5631e752da7b - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5631e752da7b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x5631e752d551 - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x5631e752e144 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x5631e752dc27 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x5631e752c33c - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5631e752db89 - rust_begin_unwind [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x5631e74e2e91 - core::panicking::panic_fmt::h12a3a3c256485fca [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x5631e74e2f83 - core::result::unwrap_failed::h2d8d0952e3250de9 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/result.rs:1599:5 [INFO] [stdout] 16: 0x5631e74e8e22 - core::result::Result::expect::h8f17a09c76c4d487 [INFO] [stdout] 17: 0x5631e74ef25f - rust_out::main::_doctest_main_src_layouter_rs_128_0::h74d7c5788eda0c7f [INFO] [stdout] 18: 0x5631e74ef186 - rust_out::main::h61823b600df25383 [INFO] [stdout] 19: 0x5631e74e5d63 - core::ops::function::FnOnce::call_once::h064404ccb42900dd [INFO] [stdout] 20: 0x5631e74e53d9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3a50028bf297fb1f [INFO] [stdout] 21: 0x5631e74e5469 - std::rt::lang_start::{{closure}}::hf6d523a4729f0a25 [INFO] [stdout] 22: 0x5631e752e64a - core::ops::function::impls:: for &F>::call_once::ha9408abe89f69dc4 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x5631e752e64a - std::panicking::try::do_call::h5b0cc9e9102acb65 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 24: 0x5631e752e64a - std::panicking::try::hddc7f8229138b3ba [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 25: 0x5631e752e64a - std::panic::catch_unwind::hfa401ff8bab2986e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 26: 0x5631e752e64a - std::rt::lang_start_internal::{{closure}}::h8163422320d11405 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:48 [INFO] [stdout] 27: 0x5631e752e64a - std::panicking::try::do_call::hc742cc7bb4f0fb20 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 28: 0x5631e752e64a - std::panicking::try::ha37d8d2dd1acf7d3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 29: 0x5631e752e64a - std::panic::catch_unwind::h8a5381d5ecf437bc [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 30: 0x5631e752e64a - std::rt::lang_start_internal::h7e2cee8c90d4a4d3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:20 [INFO] [stdout] 31: 0x5631e74e5441 - std::rt::lang_start::h56740483be3c5e53 [INFO] [stdout] 32: 0x5631e74ef2d3 - main [INFO] [stdout] 33: 0x7f4613d910b3 - __libc_start_main [INFO] [stdout] 34: 0x5631e74e364e - _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 1.90s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "5852d249dd5b1bc5edb8a2afee35674a85e3b8790245a8e44b2e242e180340b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5852d249dd5b1bc5edb8a2afee35674a85e3b8790245a8e44b2e242e180340b9", kill_on_drop: false }` [INFO] [stdout] 5852d249dd5b1bc5edb8a2afee35674a85e3b8790245a8e44b2e242e180340b9