[INFO] fetching crate dragondance 0.1.0... [INFO] testing dragondance-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate dragondance 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate dragondance 0.1.0 [INFO] finished tweaking crates.io crate dragondance 0.1.0 [INFO] tweaked toml for crates.io crate dragondance 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dragondance 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4a44a66e9c7eebe4e1896c060ea5ef3422bf593dc3c185efa4a4403ccc12687 [INFO] running `Command { std: "docker" "start" "-a" "a4a44a66e9c7eebe4e1896c060ea5ef3422bf593dc3c185efa4a4403ccc12687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4a44a66e9c7eebe4e1896c060ea5ef3422bf593dc3c185efa4a4403ccc12687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4a44a66e9c7eebe4e1896c060ea5ef3422bf593dc3c185efa4a4403ccc12687", kill_on_drop: false }` [INFO] [stdout] a4a44a66e9c7eebe4e1896c060ea5ef3422bf593dc3c185efa4a4403ccc12687 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08d8ac80ecab68ac2956055c60103c30ab01e3f724ee9f5cd334fa843508278b [INFO] running `Command { std: "docker" "start" "-a" "08d8ac80ecab68ac2956055c60103c30ab01e3f724ee9f5cd334fa843508278b", kill_on_drop: false }` [INFO] [stderr] Compiling dragondance v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "08d8ac80ecab68ac2956055c60103c30ab01e3f724ee9f5cd334fa843508278b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08d8ac80ecab68ac2956055c60103c30ab01e3f724ee9f5cd334fa843508278b", kill_on_drop: false }` [INFO] [stdout] 08d8ac80ecab68ac2956055c60103c30ab01e3f724ee9f5cd334fa843508278b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73e545e7d368f7372ec6cb0570b266fad4014d633b3d49d1026a648043c42ba0 [INFO] running `Command { std: "docker" "start" "-a" "73e545e7d368f7372ec6cb0570b266fad4014d633b3d49d1026a648043c42ba0", kill_on_drop: false }` [INFO] [stderr] Compiling dragondance v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "73e545e7d368f7372ec6cb0570b266fad4014d633b3d49d1026a648043c42ba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73e545e7d368f7372ec6cb0570b266fad4014d633b3d49d1026a648043c42ba0", kill_on_drop: false }` [INFO] [stdout] 73e545e7d368f7372ec6cb0570b266fad4014d633b3d49d1026a648043c42ba0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b7da5322ca8abbc917b1d595341e37ffc97f2973e41224e51a60766a610b7845 [INFO] running `Command { std: "docker" "start" "-a" "b7da5322ca8abbc917b1d595341e37ffc97f2973e41224e51a60766a610b7845", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dragondance-7b7252f6ae201448) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::smoke_test ... ok [INFO] [stdout] test tests::add_out_of_bounds - should panic ... ok [INFO] [stderr] Doc-tests dragondance [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 3) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 3) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (58) panicked at src/lib.rs:17:24: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5d7557fddd02 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5d7557fddd02 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5d7557fddd02 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5d7557fddd02 - ::fmt::hffd20ad4e5eca8ab [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5d7557feca8f - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5d7557feca8f - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5d7557fbc3a3 - std::io::default_write_fmt::ha7130bf70117e1da [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5d7557fbc3a3 - std::io::Write::write_fmt::h22459ad26fe60c51 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5d7557fc15a2 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5d7557fc2dfc - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5d7557fc2c56 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5d7557fc33d5 - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5d7557fc326a - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5d7557fc16d9 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5d7557fb0d7d - __rustc[9b67c8562bba447b]::rust_begin_unwind [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5d7557fefea0 - core::panicking::panic_fmt::hc084f85b1e76c16d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5d7557fef6a6 - core::result::unwrap_failed::hf926a4254073b4aa [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1852:5 [INFO] [stdout] 17: 0x5d7557faed06 - rust_out::main::_doctest_main_src_lib_rs_3_0::hfefdac353a39a7c0 [INFO] [stdout] 18: 0x5d7557faeb56 - rust_out::main::h542e0f1f2a7f6b11 [INFO] [stdout] 19: 0x5d7557fad4c3 - core::ops::function::FnOnce::call_once::h21e4d13f24e06a24 [INFO] [stdout] 20: 0x5d7557fad256 - std::sys::backtrace::__rust_begin_short_backtrace::h603ef4a30a4f78fd [INFO] [stdout] 21: 0x5d7557fad199 - std::rt::lang_start::{{closure}}::h433d00c5fb7f893d [INFO] [stdout] 22: 0x5d7557fbd630 - core::ops::function::impls:: for &F>::call_once::hcc75fa61d21ecbe5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 23: 0x5d7557fbd630 - std::panicking::catch_unwind::do_call::h38c051a071ca3bc0 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x5d7557fbd630 - std::panicking::catch_unwind::hede2a2f6f4519f78 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x5d7557fbd630 - std::panic::catch_unwind::h94765a19f52c0a43 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x5d7557fbd630 - std::rt::lang_start_internal::{{closure}}::hb89c21d557706591 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x5d7557fbd630 - std::panicking::catch_unwind::do_call::h50685f05733aeeef [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x5d7557fbd630 - std::panicking::catch_unwind::hf9ba9716b02e6738 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x5d7557fbd630 - std::panic::catch_unwind::h29770e281302b24d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5d7557fbd630 - std::rt::lang_start_internal::hd5573b1f5f705a2a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x5d7557fad181 - std::rt::lang_start::habd89dad5a59b012 [INFO] [stdout] 32: 0x5d7557faee65 - main [INFO] [stdout] 33: 0x7cdbfae931ca - [INFO] [stdout] 34: 0x7cdbfae9328b - __libc_start_main [INFO] [stdout] 35: 0x5d7557fab6c5 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 3) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "b7da5322ca8abbc917b1d595341e37ffc97f2973e41224e51a60766a610b7845", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7da5322ca8abbc917b1d595341e37ffc97f2973e41224e51a60766a610b7845", kill_on_drop: false }` [INFO] [stdout] b7da5322ca8abbc917b1d595341e37ffc97f2973e41224e51a60766a610b7845