[INFO] updating cached repository danger/rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/danger/rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/danger/rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/danger/rust"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/danger/rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/danger/rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danger/rust"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danger/rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 12953a2a931882972a1dd3e2056ab63199b40745 [INFO] sha for GitHub repo danger/rust: 12953a2a931882972a1dd3e2056ab63199b40745 [INFO] validating manifest of danger/rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of danger/rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing danger/rust [INFO] finished frobbing danger/rust [INFO] frobbed toml for danger/rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/danger/rust/Cargo.toml [INFO] started frobbing danger/rust [INFO] finished frobbing danger/rust [INFO] frobbed toml for danger/rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danger/rust/Cargo.toml [INFO] crate danger/rust has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing danger/rust against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danger/rust:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"` [INFO] [stdout] 29b5483fd985d9bb115dc20666e962a76a7b4b64adcf64e9fca4492dd8ae1c44 [INFO] running `"docker" "start" "-a" "29b5483fd985d9bb115dc20666e962a76a7b4b64adcf64e9fca4492dd8ae1c44"` [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling Inflector v0.6.0 [INFO] [stderr] Compiling schemafy_snapshot v0.4.1 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-fs v0.1.4 [INFO] [stderr] Compiling h2 v0.1.13 [INFO] [stderr] Compiling schemafy v0.4.4 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-uds v0.2.3 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] error: failed to run custom build command for `schemafy v0.4.4` [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/schemafy-9c28dd0214b55684/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 '7fea0229842e79db1159ea58ad9a653b288efee9-alt' [INFO] [stderr] To install, run `rustup component add rustfmt` [INFO] [stderr] 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:997:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556fddc2f493 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x556fddc2b49b - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stderr] 2: 0x556fddc2e296 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 3: 0x556fddc2e014 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stderr] at src/libstd/panicking.rs:215 [INFO] [stderr] 4: 0x556fddc2e8f0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stderr] at src/libstd/panicking.rs:478 [INFO] [stderr] 5: 0x556fddc2e471 - std[698b411d1b74fcff]::panicking::continue_panic_fmt [INFO] [stderr] at src/libstd/panicking.rs:385 [INFO] [stderr] 6: 0x556fddc2e355 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:312 [INFO] [stderr] 7: 0x556fddc4a8ac - core[b849d6d0cd70c3a8]::panicking::panic_fmt [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x556fddb388a2 - core[b849d6d0cd70c3a8]::result::unwrap_failed:: [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/macros.rs:16 [INFO] [stderr] 9: 0x556fddb38c46 - >::unwrap [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/result.rs:798 [INFO] [stderr] 10: 0x556fddb39b51 - build_script_build[88f6082434e3add0]::main [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/schemafy-0.4.4/build.rs:22 [INFO] [stderr] 11: 0x556fddb3a10f - std[698b411d1b74fcff]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x556fddc2e342 - std[698b411d1b74fcff]::panicking::try::do_call:: [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 13: 0x556fddc34bd9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:92 [INFO] [stderr] 14: 0x556fddc2ee25 - std[698b411d1b74fcff]::rt::lang_start_internal [INFO] [stderr] at src/libstd/panicking.rs:276 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x556fddb3a0e8 - std[698b411d1b74fcff]::rt::lang_start::<()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x556fddb39cb9 - main [INFO] [stderr] 17: 0x7fbbea8e72e0 - __libc_start_main [INFO] [stderr] 18: 0x556fddb37be9 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "29b5483fd985d9bb115dc20666e962a76a7b4b64adcf64e9fca4492dd8ae1c44"` [INFO] running `"docker" "rm" "-f" "29b5483fd985d9bb115dc20666e962a76a7b4b64adcf64e9fca4492dd8ae1c44"` [INFO] [stdout] 29b5483fd985d9bb115dc20666e962a76a7b4b64adcf64e9fca4492dd8ae1c44