[INFO] crate emulsion 4.0.0 is already in cache
[INFO] testing emulsion-4.0.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate emulsion 4.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate emulsion 4.0.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emulsion 4.0.0
[INFO] finished tweaking crates.io crate emulsion 4.0.0
[INFO] tweaked toml for crates.io crate emulsion 4.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate emulsion 4.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fcda8f1d868a4026b8034040bf7d3406d25542fa57a76b0fb00d5eede830fa7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5fcda8f1d868a4026b8034040bf7d3406d25542fa57a76b0fb00d5eede830fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fcda8f1d868a4026b8034040bf7d3406d25542fa57a76b0fb00d5eede830fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcda8f1d868a4026b8034040bf7d3406d25542fa57a76b0fb00d5eede830fa7", kill_on_drop: false }`
[INFO] [stdout] 5fcda8f1d868a4026b8034040bf7d3406d25542fa57a76b0fb00d5eede830fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc08045918a44fd567ada28394f4f5b25a02c50b52c52ceb66e8f664a41f2f92
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc08045918a44fd567ada28394f4f5b25a02c50b52c52ceb66e8f664a41f2f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling instant v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling emulsion v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling any_ascii v0.1.5
[INFO] [stderr]    Compiling trash v1.0.1
[INFO] [stderr]    Compiling open v1.4.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling lexical-sort v0.3.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling png v0.16.5
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling directories-next v1.0.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling glium v0.27.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr] error: failed to run custom build command for `emulsion v4.0.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/emulsion-6b87153cadd4e30f/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:26:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55a64d053485 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55a64d053485 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a64d053485 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55a64d053485 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55a64d07201c - core::fmt::write::he14c3177144df275
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55a64d0514a3 - std::io::Write::write_fmt::h8e26323bfab8bcc5
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x55a64d055990 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55a64d055990 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55a64d055990 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55a64d0556dc - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55a64d055f77 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stderr]                                at src/libstd/panicking.rs:486
[INFO] [stderr]   11:     0x55a64d055b7b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:388
[INFO] [stderr]   12:     0x55a64d071421 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stderr]                                at src/libcore/panicking.rs:101
[INFO] [stderr]   13:     0x55a64d071243 - core::option::expect_none_failed::hfcafefc70a7975bb
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x55a64d04ae0a - core::result::Result<T,E>::unwrap::h3c9dd61de9581368
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x55a64d04b346 - build_script_build::main::h069339ba744ce236
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:26
[INFO] [stderr]   16:     0x55a64d04bbb3 - std::rt::lang_start::{{closure}}::h6a8114dd8b2d5498
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55a64d056348 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55a64d056348 - std::panicking::try::do_call::hb2bfa58b743656f1
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   19:     0x55a64d056348 - std::panicking::try::haaa85a89ce3784c3
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55a64d056348 - std::panic::catch_unwind::h49baa277f74e60cb
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55a64d056348 - std::rt::lang_start_internal::h7aa2f6739b31fe58
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55a64d04bbab - std::rt::lang_start::hbde4a3a1b267ede2
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55a64d04b549 - main
[INFO] [stderr]   24:     0x7fb717edb0b3 - __libc_start_main
[INFO] [stderr]   25:     0x55a64d04a1ae - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc08045918a44fd567ada28394f4f5b25a02c50b52c52ceb66e8f664a41f2f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc08045918a44fd567ada28394f4f5b25a02c50b52c52ceb66e8f664a41f2f92", kill_on_drop: false }`
[INFO] [stdout] fc08045918a44fd567ada28394f4f5b25a02c50b52c52ceb66e8f664a41f2f92