[INFO] updating cached repository FlorentinDUBOIS/changelog
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FlorentinDUBOIS/changelog
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FlorentinDUBOIS/changelog" "work/ex/beta-1.37-6/sources/1.36.0/gh/FlorentinDUBOIS/changelog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/FlorentinDUBOIS/changelog'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FlorentinDUBOIS/changelog" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FlorentinDUBOIS/changelog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FlorentinDUBOIS/changelog'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbbcf33f1d01aa33730546cc8d0595448d826877
[INFO] sha for GitHub repo FlorentinDUBOIS/changelog: cbbcf33f1d01aa33730546cc8d0595448d826877
[INFO] validating manifest of FlorentinDUBOIS/changelog on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FlorentinDUBOIS/changelog on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FlorentinDUBOIS/changelog
[INFO] finished frobbing FlorentinDUBOIS/changelog
[INFO] frobbed toml for FlorentinDUBOIS/changelog written to work/ex/beta-1.37-6/sources/1.36.0/gh/FlorentinDUBOIS/changelog/Cargo.toml
[INFO] started frobbing FlorentinDUBOIS/changelog
[INFO] finished frobbing FlorentinDUBOIS/changelog
[INFO] frobbed toml for FlorentinDUBOIS/changelog written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FlorentinDUBOIS/changelog/Cargo.toml
[INFO] crate FlorentinDUBOIS/changelog already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FlorentinDUBOIS/changelog against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FlorentinDUBOIS/changelog:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b106c8b4e1c549395bbc6727cef82ecbe1446fe29b55c47c36c1a9414b0e3d7f
[INFO] running `"docker" "start" "-a" "b106c8b4e1c549395bbc6727cef82ecbe1446fe29b55c47c36c1a9414b0e3d7f"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]    Compiling slog v2.3.2
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling aho-corasick v0.6.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling libssh2-sys v0.2.10
[INFO] [stderr]    Compiling curl-sys v0.4.8
[INFO] [stderr]    Compiling libgit2-sys v0.7.7
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde-hjson v0.8.1
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling config v0.9.0
[INFO] [stderr]    Compiling askama_shared v0.7.1
[INFO] [stderr]    Compiling askama_derive v0.7.1
[INFO] [stderr]    Compiling askama v0.7.1
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling changelog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `changelog v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/changelog-b1aa10d7d337eb93/build-script-build` (exit code: 1)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=/opt/crater/workdir/templates/changelog.md
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ad2c130b46 - backtrace::backtrace::libunwind::trace::hc21617c142e789b7
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/libunwind.rs:53
[INFO] [stderr]                          - backtrace::backtrace::trace::ha1b46f81f5e8c9d2
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55ad2c11fe93 - backtrace::capture::Backtrace::new_unresolved::h561eb1f35af1a7ce
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55ad2c11d1ed - failure::backtrace::internal::InternalBacktrace::new::hb0c68364ab267b13
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55ad2c11cfbc - failure::backtrace::Backtrace::new::h98ddb15a77be12a9
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55ad2c09551b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h5def8db836d4506d
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/error_impl.rs:20
[INFO] [stderr]    5:     0x55ad2c0940de - <failure::error::Error as core::convert::From<F>>::from::h59c02a7c83f68b26
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55ad2c092aed - build_script_build::main::h4572b3eae1119695
[INFO] [stderr]                         at /opt/crater/workdir/build.rs:28
[INFO] [stderr]    7:     0x55ad2c095c7f - std::rt::lang_start::{{closure}}::h0dc0956cefee1001
[INFO] [stderr]                         at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]    8:     0x55ad2c1be922 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418
[INFO] [stderr]                         at src/libstd/rt.rs:49
[INFO] [stderr]                          - std::panicking::try::do_call::h480cafa68c9928b4
[INFO] [stderr]                         at src/libstd/panicking.rs:296
[INFO] [stderr]    9:     0x55ad2c1c0c99 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   10:     0x55ad2c1bf42c - std::panicking::try::he0549d0299de204a
[INFO] [stderr]                         at src/libstd/panicking.rs:275
[INFO] [stderr]                          - std::panic::catch_unwind::h422dc2db98f03517
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h121de03325a3f900
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]   11:     0x55ad2c095c58 - std::rt::lang_start::h06f32c09d93d7423
[INFO] [stderr]                         at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55ad2c093659 - main
[INFO] [stderr]   13:     0x7f16f5ffb2e0 - __libc_start_main
[INFO] [stderr]   14:     0x55ad2c092509 - _start
[INFO] [stderr]   15:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "b106c8b4e1c549395bbc6727cef82ecbe1446fe29b55c47c36c1a9414b0e3d7f"`
[INFO] running `"docker" "rm" "-f" "b106c8b4e1c549395bbc6727cef82ecbe1446fe29b55c47c36c1a9414b0e3d7f"`
[INFO] [stdout] b106c8b4e1c549395bbc6727cef82ecbe1446fe29b55c47c36c1a9414b0e3d7f