[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-1.38-1/sources/1.37.0/gh/FlorentinDUBOIS/changelog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FlorentinDUBOIS/changelog'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FlorentinDUBOIS/changelog" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FlorentinDUBOIS/changelog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FlorentinDUBOIS/changelog 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 FlorentinDUBOIS/changelog
[INFO] finished frobbing FlorentinDUBOIS/changelog
[INFO] frobbed toml for FlorentinDUBOIS/changelog written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 FlorentinDUBOIS/changelog against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0fcc083baca4cf8a48fc45e32a559025e1cd64a3072f03db92a274bbdc5e074c
[INFO] running `"docker" "start" "-a" "0fcc083baca4cf8a48fc45e32a559025e1cd64a3072f03db92a274bbdc5e074c"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling slog v2.3.2
[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 memchr v2.0.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling aho-corasick v0.6.7
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling curl-sys v0.4.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.10
[INFO] [stderr]    Compiling libgit2-sys v0.7.7
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde-hjson v0.8.1
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling config v0.9.0
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling failure v0.1.2
[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-ed7966d50a48fc16/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:     0x55f082797dc3 - backtrace::backtrace::libunwind::trace::h29a767a1f7b97d92
[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::h26f5295a8c851527
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55f082789a33 - backtrace::capture::Backtrace::new_unresolved::hf2a062d4c03bb6b0
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55f082786e1b - failure::backtrace::internal::InternalBacktrace::new::h62f7ac5771a1b3f7
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55f0827868ec - failure::backtrace::Backtrace::new::h53161d288824b1df
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55f0826feb3b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h5db2c915c3286697
[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:     0x55f0826fd9ee - <failure::error::Error as core::convert::From<F>>::from::h7fe172d40b3a656f
[INFO] [stderr]                         at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55f0826fc4d3 - build_script_build::main::hfd2ff3733bc393f3
[INFO] [stderr]                         at /opt/crater/workdir/build.rs:28
[INFO] [stderr]    7:     0x55f0826ff50f - std::rt::lang_start::{{closure}}::he88df8998d1f0a37
[INFO] [stderr]                         at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]    8:     0x55f082826002 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce
[INFO] [stderr]                         at src/libstd/rt.rs:49
[INFO] [stderr]                          - std::panicking::try::do_call::h9d779bc5e27e3284
[INFO] [stderr]                         at src/libstd/panicking.rs:296
[INFO] [stderr]    9:     0x55f0828286b9 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   10:     0x55f082826b0c - std::panicking::try::h4af22d9cb0afa351
[INFO] [stderr]                         at src/libstd/panicking.rs:275
[INFO] [stderr]                          - std::panic::catch_unwind::hbb68a9ada87bfb97
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::hba9e09d74440ce4d
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]   11:     0x55f0826ff4e8 - std::rt::lang_start::hc28eac9d9899d64e
[INFO] [stderr]                         at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55f0826fcfb9 - main
[INFO] [stderr]   13:     0x7f2ff71982e0 - __libc_start_main
[INFO] [stderr]   14:     0x55f0826fbf49 - _start
[INFO] [stderr]   15:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "0fcc083baca4cf8a48fc45e32a559025e1cd64a3072f03db92a274bbdc5e074c"`
[INFO] running `"docker" "rm" "-f" "0fcc083baca4cf8a48fc45e32a559025e1cd64a3072f03db92a274bbdc5e074c"`
[INFO] [stdout] 0fcc083baca4cf8a48fc45e32a559025e1cd64a3072f03db92a274bbdc5e074c