[INFO] cloning repository https://github.com/mmueller/advent2017 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmueller/advent2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmueller%2Fadvent2017", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmueller%2Fadvent2017'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1558d163f1022a55b4e59035eebb9a55f00bdf70 [INFO] checking mmueller/advent2017 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmueller%2Fadvent2017" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmueller/advent2017 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mmueller/advent2017 [INFO] finished tweaking git repo https://github.com/mmueller/advent2017 [INFO] tweaked toml for git repo https://github.com/mmueller/advent2017 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/mmueller/advent2017 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded regex v0.2.3 [INFO] [stderr] Downloaded argparse v0.2.1 [INFO] [stderr] Downloaded itertools v0.7.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 95b06cd88be9887fef9f6569a9a7fbf01ff74d8405e33266d493538221fe1251 [INFO] running `Command { std: "docker" "start" "-a" "95b06cd88be9887fef9f6569a9a7fbf01ff74d8405e33266d493538221fe1251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95b06cd88be9887fef9f6569a9a7fbf01ff74d8405e33266d493538221fe1251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95b06cd88be9887fef9f6569a9a7fbf01ff74d8405e33266d493538221fe1251", kill_on_drop: false }` [INFO] [stdout] 95b06cd88be9887fef9f6569a9a7fbf01ff74d8405e33266d493538221fe1251 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 511e4e6931eae6e56b192e594f0b32afe9a2bcf3f2ebc87e8a362f121daee0b2 [INFO] running `Command { std: "docker" "start" "-a" "511e4e6931eae6e56b192e594f0b32afe9a2bcf3f2ebc87e8a362f121daee0b2", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Compiling advent2017 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking itertools v0.7.4 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] error: failed to run custom build command for `advent2017 v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/advent2017-9eb94a47e031fd16/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:8:42 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5587d2ecc8d0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x5587d2ecc8d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5587d2ecc8d0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5587d2ecc8d0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5587d2ee5b8c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x5587d2eca4c2 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x5587d2ecea35 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5587d2ecea35 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5587d2ecea35 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5587d2ece6d8 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x5587d2ecf171 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x5587d2ececb7 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:499:13 [INFO] [stderr] 12: 0x5587d2eccd6c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5587d2ecec19 - rust_begin_unwind [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:495:5 [INFO] [stderr] 14: 0x5587d2ee4ea1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5587d2ee4cc3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x5587d2eb7b7b - core::result::Result::unwrap::h0ed80a71f103f2ce [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x5587d2eb1088 - build_script_build::main::h6ef276b6d411af5a [INFO] [stderr] at /opt/rustwide/workdir/build.rs:8:17 [INFO] [stderr] 18: 0x5587d2eaf0cb - core::ops::function::FnOnce::call_once::h841e262296144107 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5587d2eb2e2e - std::sys_common::backtrace::__rust_begin_short_backtrace::h178eb749f56eae11 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5587d2eaed91 - std::rt::lang_start::{{closure}}::h1001cf9a61c5c8da [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x5587d2ecf597 - core::ops::function::impls:: for &F>::call_once::h3f3ba5d1e0ce8d49 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5587d2ecf597 - std::panicking::try::do_call::hd7a374fc87b951e7 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:381:40 [INFO] [stderr] 23: 0x5587d2ecf597 - std::panicking::try::hcc68eba0f7d51b82 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:345:19 [INFO] [stderr] 24: 0x5587d2ecf597 - std::panic::catch_unwind::h2e8cfcfcf4f9eb6d [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panic.rs:382:14 [INFO] [stderr] 25: 0x5587d2ecf597 - std::rt::lang_start_internal::h8ff82302dd620b52 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5587d2eaed67 - std::rt::lang_start::hed4d3832ca815892 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x5587d2eb1b7a - main [INFO] [stderr] 28: 0x7fc416fc60b3 - __libc_start_main [INFO] [stderr] 29: 0x5587d2eaa0ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "511e4e6931eae6e56b192e594f0b32afe9a2bcf3f2ebc87e8a362f121daee0b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "511e4e6931eae6e56b192e594f0b32afe9a2bcf3f2ebc87e8a362f121daee0b2", kill_on_drop: false }` [INFO] [stdout] 511e4e6931eae6e56b192e594f0b32afe9a2bcf3f2ebc87e8a362f121daee0b2