[INFO] fetching crate tref 0.4.0... [INFO] testing tref-0.4.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate tref 0.4.0 into /workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tref 0.4.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26d4c8e41ee182b38c3ff03d3923aa1cea924e63daadd0a78d5132cfc9dcb122 [INFO] running `Command { std: "docker" "start" "-a" "26d4c8e41ee182b38c3ff03d3923aa1cea924e63daadd0a78d5132cfc9dcb122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26d4c8e41ee182b38c3ff03d3923aa1cea924e63daadd0a78d5132cfc9dcb122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26d4c8e41ee182b38c3ff03d3923aa1cea924e63daadd0a78d5132cfc9dcb122", kill_on_drop: false }` [INFO] [stdout] 26d4c8e41ee182b38c3ff03d3923aa1cea924e63daadd0a78d5132cfc9dcb122 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 340b66edd2e5ceb5ab99ec6f8f33dcdc534c9077b2c5d387613b79dde3133cfd [INFO] running `Command { std: "docker" "start" "-a" "340b66edd2e5ceb5ab99ec6f8f33dcdc534c9077b2c5d387613b79dde3133cfd", 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 4.13s [INFO] running `Command { std: "docker" "inspect" "340b66edd2e5ceb5ab99ec6f8f33dcdc534c9077b2c5d387613b79dde3133cfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "340b66edd2e5ceb5ab99ec6f8f33dcdc534c9077b2c5d387613b79dde3133cfd", kill_on_drop: false }` [INFO] [stdout] 340b66edd2e5ceb5ab99ec6f8f33dcdc534c9077b2c5d387613b79dde3133cfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66a32bbb30bcbb3ff6ad7d1b184d4a48524484c5e6b36d49dac5e400f9a02a1e [INFO] running `Command { std: "docker" "start" "-a" "66a32bbb30bcbb3ff6ad7d1b184d4a48524484c5e6b36d49dac5e400f9a02a1e", 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 0.55s [INFO] running `Command { std: "docker" "inspect" "66a32bbb30bcbb3ff6ad7d1b184d4a48524484c5e6b36d49dac5e400f9a02a1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66a32bbb30bcbb3ff6ad7d1b184d4a48524484c5e6b36d49dac5e400f9a02a1e", kill_on_drop: false }` [INFO] [stdout] 66a32bbb30bcbb3ff6ad7d1b184d4a48524484c5e6b36d49dac5e400f9a02a1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0d2beaa76d1b29037b6a4686ac067528c1b43c087393f2cd7642bd43ef5b2ae2 [INFO] running `Command { std: "docker" "start" "-a" "0d2beaa76d1b29037b6a4686ac067528c1b43c087393f2cd7642bd43ef5b2ae2", 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_invalid_statement ... ok [INFO] [stdout] test tests::parse_missing_tree_id ... ok [INFO] [stdout] test tests::parse_dialect ... ok [INFO] [stdout] test tests::parse_valid_tref ... 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 93) ... ok [INFO] [stdout] test src/lib.rs - (line 30) ... 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: 0x5814eb5699d2 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5814eb5699d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5814eb5699d2 - std::sys::backtrace::_print_fmt::hec54e31f36456895 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5814eb5699d2 - ::fmt::hb1988e8b50fa5f19 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5814eb579edf - core::fmt::rt::Argument::fmt::h3118a66e1a57a586 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5814eb579edf - core::fmt::write::hcd056e06a609f600 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5814eb546511 - std::io::default_write_fmt::h45f0f9de0268fdcb [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5814eb546511 - std::io::Write::write_fmt::hc685c74e0b8ce55d [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5814eb54c0e2 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5814eb54dc5c - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5814eb54dab6 - std::panicking::default_hook::h09da2eaf8f1deadd [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5814eb54e2e5 - std::panicking::panic_with_hook::h13c40d280d130fd3 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5814eb54e17a - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5814eb54c229 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5814eb53acad - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5814eb57df00 - core::panicking::panic_fmt::h326b75cf8ee01b13 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14 [INFO] [stdout] 16: 0x5814eb57d5a6 - core::result::unwrap_failed::h38baee32fdec5ac8 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x5814eb3ea5e2 - core::result::Result::expect::h3ad23d2c51fdc865 [INFO] [stdout] 18: 0x5814eb3eed1a - rust_out::main::_doctest_main_src_lib_rs_36_0::h038277178f755646 [INFO] [stdout] 19: 0x5814eb3ee996 - rust_out::main::he42420d96a9d7f64 [INFO] [stdout] 20: 0x5814eb3e8a33 - core::ops::function::FnOnce::call_once::h69ea4ce53012ff78 [INFO] [stdout] 21: 0x5814eb3e8816 - std::sys::backtrace::__rust_begin_short_backtrace::h3de91f36bae4c6b1 [INFO] [stdout] 22: 0x5814eb3e8759 - std::rt::lang_start::{{closure}}::h8b7ae09552e39435 [INFO] [stdout] 23: 0x5814eb547b20 - core::ops::function::impls:: for &F>::call_once::h387c5546b57ddfde [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x5814eb547b20 - std::panicking::catch_unwind::do_call::hf9fdd250c001d1cd [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x5814eb547b20 - std::panicking::catch_unwind::hc213e1339e7313f3 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x5814eb547b20 - std::panic::catch_unwind::h7e2e13142bd98e67 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x5814eb547b20 - std::rt::lang_start_internal::{{closure}}::ha8eea67def213c83 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x5814eb547b20 - std::panicking::catch_unwind::do_call::hc6f04b090be4f56e [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5814eb547b20 - std::panicking::catch_unwind::hfb8ae23b2e34f7c2 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5814eb547b20 - std::panic::catch_unwind::hf2cef20feb3addd6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5814eb547b20 - std::rt::lang_start_internal::h1ca864a6b9355c57 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x5814eb3e8741 - std::rt::lang_start::h60a8ec71437d48b3 [INFO] [stdout] 33: 0x5814eb3f2065 - main [INFO] [stdout] 34: 0x79451e5401ca - [INFO] [stdout] 35: 0x79451e54028b - __libc_start_main [INFO] [stdout] 36: 0x5814eb3e68a5 - _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 0.49s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "0d2beaa76d1b29037b6a4686ac067528c1b43c087393f2cd7642bd43ef5b2ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d2beaa76d1b29037b6a4686ac067528c1b43c087393f2cd7642bd43ef5b2ae2", kill_on_drop: false }` [INFO] [stdout] 0d2beaa76d1b29037b6a4686ac067528c1b43c087393f2cd7642bd43ef5b2ae2