[INFO] updating cached repository cameronp98/rust-ppm [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cameronp98/rust-ppm [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cameronp98/rust-ppm" "work/ex/beta-1.38-1/sources/1.37.0/gh/cameronp98/rust-ppm"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cameronp98/rust-ppm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cameronp98/rust-ppm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cameronp98/rust-ppm"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cameronp98/rust-ppm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] afd1da1d831ca852b3ab8b55b8db78e04187e939 [INFO] sha for GitHub repo cameronp98/rust-ppm: afd1da1d831ca852b3ab8b55b8db78e04187e939 [INFO] validating manifest of cameronp98/rust-ppm on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cameronp98/rust-ppm on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cameronp98/rust-ppm [INFO] finished frobbing cameronp98/rust-ppm [INFO] frobbed toml for cameronp98/rust-ppm written to work/ex/beta-1.38-1/sources/1.37.0/gh/cameronp98/rust-ppm/Cargo.toml [INFO] started frobbing cameronp98/rust-ppm [INFO] finished frobbing cameronp98/rust-ppm [INFO] frobbed toml for cameronp98/rust-ppm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cameronp98/rust-ppm/Cargo.toml [INFO] crate cameronp98/rust-ppm already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing cameronp98/rust-ppm against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cameronp98/rust-ppm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] e36877594b2f25246811c19124d8f6c14b10fc13f6174528d9aa71b85a72872f [INFO] running `"docker" "start" "-a" "e36877594b2f25246811c19124d8f6c14b10fc13f6174528d9aa71b85a72872f"` [INFO] [stderr] Compiling ppm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `"docker" "inspect" "e36877594b2f25246811c19124d8f6c14b10fc13f6174528d9aa71b85a72872f"` [INFO] running `"docker" "rm" "-f" "e36877594b2f25246811c19124d8f6c14b10fc13f6174528d9aa71b85a72872f"` [INFO] [stdout] e36877594b2f25246811c19124d8f6c14b10fc13f6174528d9aa71b85a72872f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cameronp98/rust-ppm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 3949a8d193824bfdc61ae758f296802b277153f2c0c62405b3b8bc42de70f2a6 [INFO] running `"docker" "start" "-a" "3949a8d193824bfdc61ae758f296802b277153f2c0c62405b3b8bc42de70f2a6"` [INFO] [stderr] Compiling ppm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `"docker" "inspect" "3949a8d193824bfdc61ae758f296802b277153f2c0c62405b3b8bc42de70f2a6"` [INFO] running `"docker" "rm" "-f" "3949a8d193824bfdc61ae758f296802b277153f2c0c62405b3b8bc42de70f2a6"` [INFO] [stdout] 3949a8d193824bfdc61ae758f296802b277153f2c0c62405b3b8bc42de70f2a6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cameronp98/rust-ppm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 0f1326bdf027f4f67fb99e5cec1a3107c220d7d6ac67c0f4ee17942d9a4215b2 [INFO] running `"docker" "start" "-a" "0f1326bdf027f4f67fb99e5cec1a3107c220d7d6ac67c0f4ee17942d9a4215b2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/ppm-364d0e4d5d961210 [INFO] [stderr] Doc-tests ppm [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] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - Ppm::get_mut (line 164) ... ok [INFO] [stdout] test src/lib.rs - Ppm::new (line 106) ... ok [INFO] [stdout] test src/lib.rs - Ppm::save (line 190) ... ok [INFO] [stdout] test src/lib.rs - f32_to_u8 (line 12) ... ok [INFO] [stdout] test src/lib.rs - u8_to_f32 (line 26) ... ok [INFO] [stdout] test src/lib.rs - Ppm::get (line 145) ... ok [INFO] [stdout] test src/lib.rs - Ppm (line 77) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Ppm (line 77) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x565257ec919b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x565257ec919b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x565257ec919b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x565257ec919b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x565257ec919b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x565257ec8e77 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x565257ec9860 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x565257ec93e2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x565257ec92c6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x565257edd91d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x565257eb98f8 - core::result::unwrap_failed::ha0c63df1a96f5bbb [INFO] [stdout] 11: 0x565257eb99c8 - core::result::Result::unwrap::hc0d729ff1e419434 [INFO] [stdout] 12: 0x565257eb9105 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x565257eb8f83 - std::rt::lang_start::{{closure}}::h6ad5bf6913459b3e [INFO] [stdout] 14: 0x565257ec92b3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x565257ec92b3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x565257ecb02a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x565257ec9d6d - std::panicking::try::hdf71f938885bca42 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x565257ec9d6d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x565257ec9d6d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x565257eb8f65 - std::rt::lang_start::he873873cea7d311a [INFO] [stdout] 21: 0x565257eb914b - main [INFO] [stdout] 22: 0x7f391c18a2e1 - __libc_start_main [INFO] [stdout] 23: 0x565257eb8e2a - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - Ppm (line 77) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 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" "0f1326bdf027f4f67fb99e5cec1a3107c220d7d6ac67c0f4ee17942d9a4215b2"` [INFO] running `"docker" "rm" "-f" "0f1326bdf027f4f67fb99e5cec1a3107c220d7d6ac67c0f4ee17942d9a4215b2"` [INFO] [stdout] 0f1326bdf027f4f67fb99e5cec1a3107c220d7d6ac67c0f4ee17942d9a4215b2