[INFO] fetching crate tref 0.4.0... [INFO] testing tref-0.4.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate tref 0.4.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate tref 0.4.0 [INFO] finished tweaking crates.io crate tref 0.4.0 [INFO] tweaked toml for crates.io crate tref 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tref 0.4.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tref 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded regex v1.4.6 [INFO] [stderr] Downloaded socarel v0.4.0 [INFO] [stderr] Downloaded regex-syntax v0.6.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44b559f247a0b5ee019cc5b147fa4caa68c2634df873515197f8c1ad433981b2 [INFO] running `Command { std: "docker" "start" "-a" "44b559f247a0b5ee019cc5b147fa4caa68c2634df873515197f8c1ad433981b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44b559f247a0b5ee019cc5b147fa4caa68c2634df873515197f8c1ad433981b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44b559f247a0b5ee019cc5b147fa4caa68c2634df873515197f8c1ad433981b2", kill_on_drop: false }` [INFO] [stdout] 44b559f247a0b5ee019cc5b147fa4caa68c2634df873515197f8c1ad433981b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dac8a7a8d0790e2651effa4f9f8bc5abdc277ab9d165ade732ab7f54c06d63a8 [INFO] running `Command { std: "docker" "start" "-a" "dac8a7a8d0790e2651effa4f9f8bc5abdc277ab9d165ade732ab7f54c06d63a8", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling socarel v0.4.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Compiling tref v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.61s [INFO] running `Command { std: "docker" "inspect" "dac8a7a8d0790e2651effa4f9f8bc5abdc277ab9d165ade732ab7f54c06d63a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dac8a7a8d0790e2651effa4f9f8bc5abdc277ab9d165ade732ab7f54c06d63a8", kill_on_drop: false }` [INFO] [stdout] dac8a7a8d0790e2651effa4f9f8bc5abdc277ab9d165ade732ab7f54c06d63a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64aa05f64a8a9914ecae11b2d77ca8377828386f746b802540968fca0cac1537 [INFO] running `Command { std: "docker" "start" "-a" "64aa05f64a8a9914ecae11b2d77ca8377828386f746b802540968fca0cac1537", kill_on_drop: false }` [INFO] [stderr] Compiling tref v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/tests.rs:173:24 [INFO] [stdout] | [INFO] [stdout] 173 | Number(String, u32) [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TypedNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 173 - Number(String, u32) [INFO] [stdout] 173 + Number(String, ()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "64aa05f64a8a9914ecae11b2d77ca8377828386f746b802540968fca0cac1537", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64aa05f64a8a9914ecae11b2d77ca8377828386f746b802540968fca0cac1537", kill_on_drop: false }` [INFO] [stdout] 64aa05f64a8a9914ecae11b2d77ca8377828386f746b802540968fca0cac1537 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5eee41ff264f2710aedd4a1c5114c4df2aadd174914f7d8b064cf250fff6da27 [INFO] running `Command { std: "docker" "start" "-a" "5eee41ff264f2710aedd4a1c5114c4df2aadd174914f7d8b064cf250fff6da27", kill_on_drop: false }` [INFO] [stderr] warning: field `1` is never read [INFO] [stderr] --> src/tests.rs:173:24 [INFO] [stderr] | [INFO] [stderr] 173 | Number(String, u32) [INFO] [stderr] | ------ ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `TypedNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 173 - Number(String, u32) [INFO] [stderr] 173 + Number(String, ()) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tref` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tref-4e174de8e50f1c21) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::parse_dialect ... ok [INFO] [stdout] test tests::parse_invalid_statement ... ok [INFO] [stdout] test tests::parse_valid_tref ... ok [INFO] [stdout] test tests::parse_missing_tree_id ... ok [INFO] [stdout] test tests::parse_invalid_level ... ok [INFO] [stdout] test tests::serialize_valid_tref ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tref-6f29955f223d6fa6) [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] Doc-tests tref [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - (line 30) ... ok [INFO] [stdout] test src/lib.rs - (line 93) ... ok [INFO] [stdout] test src/lib.rs - (line 131) ... ok [INFO] [stdout] test src/lib.rs - (line 36) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 36) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (146) panicked at src/lib.rs:25:53: [INFO] [stdout] Unable to create file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x619209fce3e2 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x619209fce3e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x619209fce3e2 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x619209fce3e2 - ::fmt::h52160e9da139e442 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x619209fde8ef - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x619209fde8ef - core::fmt::write::hf09a056a304e021a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x619209faac81 - std::io::default_write_fmt::h7567c5950fb0173c [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x619209faac81 - std::io::Write::write_fmt::h361c7127187cda65 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x619209fb0af2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x619209fb266c - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x619209fb24c6 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x619209fb2cf5 - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x619209fb2b8a - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x619209fb0c29 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x619209f9f6bd - __rustc[76f7e7187978e2f8]::rust_begin_unwind [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x619209fe2910 - core::panicking::panic_fmt::heb245a301f4395db [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14 [INFO] [stdout] 16: 0x619209fe1fb6 - core::result::unwrap_failed::h91bd1e1731f928fc [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x619209e4e9c2 - core::result::Result::expect::h00fec222a794081a [INFO] [stdout] 18: 0x619209e530fa - rust_out::main::_doctest_main_src_lib_rs_36_0::h337ece0a79dabaef [INFO] [stdout] 19: 0x619209e52d76 - rust_out::main::h2c0b889d96022a4f [INFO] [stdout] 20: 0x619209e4cdc3 - core::ops::function::FnOnce::call_once::h064b3222b538a73a [INFO] [stdout] 21: 0x619209e4cbf6 - std::sys::backtrace::__rust_begin_short_backtrace::h5b0a4898ae968de4 [INFO] [stdout] 22: 0x619209e4cb39 - std::rt::lang_start::{{closure}}::h6185b2e9f14a2cbb [INFO] [stdout] 23: 0x619209fac530 - core::ops::function::impls:: for &F>::call_once::h92f7271baace0227 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x619209fac530 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x619209fac530 - std::panicking::catch_unwind::h44920ff533ed11dd [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x619209fac530 - std::panic::catch_unwind::hbc4760794652046f [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x619209fac530 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x619209fac530 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x619209fac530 - std::panicking::catch_unwind::ha3a2750d16137715 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x619209fac530 - std::panic::catch_unwind::ha56344eb931bca1a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x619209fac530 - std::rt::lang_start_internal::h4e6c18fadc4e7470 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x619209e4cb21 - std::rt::lang_start::hc4342c866dfc26c3 [INFO] [stdout] 33: 0x619209e56445 - main [INFO] [stdout] 34: 0x71f7120db1ca - [INFO] [stdout] 35: 0x71f7120db28b - __libc_start_main [INFO] [stdout] 36: 0x619209e4ac85 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 36) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "5eee41ff264f2710aedd4a1c5114c4df2aadd174914f7d8b064cf250fff6da27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eee41ff264f2710aedd4a1c5114c4df2aadd174914f7d8b064cf250fff6da27", kill_on_drop: false }` [INFO] [stdout] 5eee41ff264f2710aedd4a1c5114c4df2aadd174914f7d8b064cf250fff6da27