[INFO] updating cached repository https://github.com/danger/rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0f9603f57edae1b0e333d15dbba053e6cfc5e7b
[INFO] checking danger/rust against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanger%2Frust" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danger/rust on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/danger/rust
[INFO] finished tweaking git repo https://github.com/danger/rust
[INFO] tweaked toml for git repo https://github.com/danger/rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/danger/rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 463e0085e0d8c5048d0e42c9ec01750a6e91400e9089e2a0e093abaea501fb68
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "463e0085e0d8c5048d0e42c9ec01750a6e91400e9089e2a0e093abaea501fb68"`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking mime v0.3.12
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking Inflector v0.6.0
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper v0.12.12
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.3
[INFO] [stderr]    Compiling schemafy_snapshot v0.4.1
[INFO] [stderr]    Compiling schemafy v0.4.4
[INFO] [stderr] error: failed to run custom build command for `schemafy v0.4.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/schemafy-beb1d4089c4e1052/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=src/schema.json
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '0cbcb17d3306d6e22eafc2c05ce885db97d0189c'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c`
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/schemafy-0.4.4/build.rs:22:20
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55baa4f6a768 - backtrace::backtrace::libunwind::trace::hdec022fb119dd06d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55baa4f6a768 - backtrace::backtrace::trace_unsynchronized::h1f309365306cc260
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55baa4f6a768 - std::sys_common::backtrace::_print_fmt::hedd348b4f893987a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55baa4f6a768 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h381b96a3f9ce8032
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55baa4f8cccc - core::fmt::write::he5b6a663f8bc9f46
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1052
[INFO] [stderr]    5:     0x55baa4f67d57 - std::io::Write::write_fmt::h39edd6a910b76376
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x55baa4f6cbf5 - std::sys_common::backtrace::_print::hecbfa51643b1d1b2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55baa4f6cbf5 - std::sys_common::backtrace::print::he854cdfad1b40844
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55baa4f6cbf5 - std::panicking::default_hook::{{closure}}::h590c45dbd8599059
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55baa4f6c936 - std::panicking::default_hook::h6b14cee906df5ae9
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55baa4f6d1b2 - std::panicking::rust_panic_with_hook::h845de504d308e21c
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x55baa4f6cd9b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x55baa4f8b251 - core::panicking::panic_fmt::hc919459cc61f60e0
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x55baa4f8b073 - core::option::expect_none_failed::hcec7632dbb4bd9b0
[INFO] [stderr]                                at src/libcore/option.rs:1199
[INFO] [stderr]   14:     0x55baa4e7fe7f - core::result::Result<T,E>::unwrap::hc5fe078e94b8100c
[INFO] [stderr]                                at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x55baa4e7f909 - build_script_build::main::h138de777ddf4bfee
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/schemafy-0.4.4/build.rs:22
[INFO] [stderr]   16:     0x55baa4e80310 - std::rt::lang_start::{{closure}}::h9044f6b2f4698bb3
[INFO] [stderr]                                at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55baa4f6ccc3 - std::rt::lang_start_internal::{{closure}}::h79efcdb1c4a7311a
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55baa4f6ccc3 - std::panicking::try::do_call::h8837c722d8d26052
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x55baa4f73327 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x55baa4f6d659 - std::panicking::try::h6df407c9e373308b
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x55baa4f6d659 - std::panic::catch_unwind::hb93a3e23c13dcc76
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55baa4f6d659 - std::rt::lang_start_internal::h0eeb85a0fe3bba7b
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x55baa4e802e9 - std::rt::lang_start::hf4eeda5c40f3e198
[INFO] [stderr]                                at /rustc/0cbcb17d3306d6e22eafc2c05ce885db97d0189c/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x55baa4e7fa7a - main
[INFO] [stderr]   25:     0x7f72eade8b97 - __libc_start_main
[INFO] [stderr]   26:     0x55baa4e7e35a - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "463e0085e0d8c5048d0e42c9ec01750a6e91400e9089e2a0e093abaea501fb68"`
[INFO] running `"docker" "rm" "-f" "463e0085e0d8c5048d0e42c9ec01750a6e91400e9089e2a0e093abaea501fb68"`
[INFO] [stdout] 463e0085e0d8c5048d0e42c9ec01750a6e91400e9089e2a0e093abaea501fb68