[INFO] crate fonterator 0.6.0 is already in cache [INFO] testing fonterator-0.6.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate fonterator 0.6.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate fonterator 0.6.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate fonterator 0.6.0 [INFO] finished tweaking crates.io crate fonterator 0.6.0 [INFO] tweaked toml for crates.io crate fonterator 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate fonterator 0.6.0 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ac0e0ef87b35f1954d0fc04d271d9fe7d0ab5e2daec3bab8f6f618725969d9b9 [INFO] running `"docker" "start" "-a" "ac0e0ef87b35f1954d0fc04d271d9fe7d0ab5e2daec3bab8f6f618725969d9b9"` [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling ttf-parser v0.3.0 [INFO] [stderr] Compiling unicode-script v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling png v0.10.0 [INFO] [stderr] Compiling footile v0.3.1 [INFO] [stderr] Compiling fonterator v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.86s [INFO] running `"docker" "inspect" "ac0e0ef87b35f1954d0fc04d271d9fe7d0ab5e2daec3bab8f6f618725969d9b9"` [INFO] running `"docker" "rm" "-f" "ac0e0ef87b35f1954d0fc04d271d9fe7d0ab5e2daec3bab8f6f618725969d9b9"` [INFO] [stdout] ac0e0ef87b35f1954d0fc04d271d9fe7d0ab5e2daec3bab8f6f618725969d9b9 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b6b276343474550bf777c768546a4fa3afdad6789aac5eb3128a2eace84d8ee7 [INFO] running `"docker" "start" "-a" "b6b276343474550bf777c768546a4fa3afdad6789aac5eb3128a2eace84d8ee7"` [INFO] [stderr] Compiling pix v0.6.1 [INFO] [stderr] Compiling svg v0.6.0 [INFO] [stderr] Compiling miniz_oxide v0.3.3 [INFO] [stderr] Compiling png_pong v0.0.2 [INFO] [stderr] Compiling fonterator v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 12.61s [INFO] running `"docker" "inspect" "b6b276343474550bf777c768546a4fa3afdad6789aac5eb3128a2eace84d8ee7"` [INFO] running `"docker" "rm" "-f" "b6b276343474550bf777c768546a4fa3afdad6789aac5eb3128a2eace84d8ee7"` [INFO] [stdout] b6b276343474550bf777c768546a4fa3afdad6789aac5eb3128a2eace84d8ee7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9cda70fc0c423f7128e710fd3d73406ed1a6d81cc3954770106552fad55ddf78 [INFO] running `"docker" "start" "-a" "9cda70fc0c423f7128e710fd3d73406ed1a6d81cc3954770106552fad55ddf78"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fonterator-93e2e0b062a47ca1 [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 [INFO] [stdout] [INFO] [stderr] Doc-tests fonterator [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 5) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 5) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Failed to save image: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:59:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x560559f45cb4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x560559f45cb4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x560559f45cb4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x560559f45cb4 - ::fmt::h7729313ad2d729c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x560559f653bc - core::fmt::write::hb0049f6c12bdaffc [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x560559f44333 - std::io::Write::write_fmt::hfb486fa6ccb90f14 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x560559f48255 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x560559f48255 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x560559f48255 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x560559f47f92 - std::panicking::default_hook::h9386f7e484840463 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x560559f48862 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x560559f4844b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x560559f647a1 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 13: 0x560559f645c3 - core::option::expect_none_failed::hf2c575a7b931ce1f [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 14: 0x560559f1680f - core::result::Result::expect::h672b30753bfadb47 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/result.rs:963 [INFO] [stdout] 15: 0x560559e7f3f9 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x560559e78603 - std::rt::lang_start::{{closure}}::hd4d3223f97a59432 [INFO] [stdout] 17: 0x560559f48ca8 - std::rt::lang_start_internal::{{closure}}::h76043ceda1ce1596 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x560559f48ca8 - std::panicking::try::do_call::hb3d81a78fdf1ed63 [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x560559f48ca8 - std::panicking::try::he8d7c35962fb5d7e [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x560559f48ca8 - std::panic::catch_unwind::h643ad9bfe058a347 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x560559f48ca8 - std::rt::lang_start_internal::h4b0f023744ce345f [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x560559e785e8 - std::rt::lang_start::h03f94474139bc599 [INFO] [stdout] 23: 0x560559e7f63b - main [INFO] [stdout] 24: 0x7fbb5933cb97 - __libc_start_main [INFO] [stdout] 25: 0x560559e77cba - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 5) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "9cda70fc0c423f7128e710fd3d73406ed1a6d81cc3954770106552fad55ddf78"` [INFO] running `"docker" "rm" "-f" "9cda70fc0c423f7128e710fd3d73406ed1a6d81cc3954770106552fad55ddf78"` [INFO] [stdout] 9cda70fc0c423f7128e710fd3d73406ed1a6d81cc3954770106552fad55ddf78