[INFO] cloning repository https://github.com/SpiralP/rust-cargo-watch-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpiralP/rust-cargo-watch-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-cargo-watch-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-cargo-watch-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e5a2c28c7c0491270d1182c4ce2910889f0aed1
[INFO] checking SpiralP/rust-cargo-watch-test against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-cargo-watch-test" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpiralP/rust-cargo-watch-test on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SpiralP/rust-cargo-watch-test
[INFO] finished tweaking git repo https://github.com/SpiralP/rust-cargo-watch-test
[INFO] tweaked toml for git repo https://github.com/SpiralP/rust-cargo-watch-test written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/SpiralP/rust-cargo-watch-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "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] b952417222d8ce631b0530d0b63b2ddfef5d030156df43ae2eabc28fbcf81d45
[INFO] running `Command { std: "docker" "start" "-a" "b952417222d8ce631b0530d0b63b2ddfef5d030156df43ae2eabc28fbcf81d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b952417222d8ce631b0530d0b63b2ddfef5d030156df43ae2eabc28fbcf81d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b952417222d8ce631b0530d0b63b2ddfef5d030156df43ae2eabc28fbcf81d45", kill_on_drop: false }`
[INFO] [stdout] b952417222d8ce631b0530d0b63b2ddfef5d030156df43ae2eabc28fbcf81d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca3bc457f6e775efecefe24c44cb4dc0d96609dffaebfe3457ba39d66a7669f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca3bc457f6e775efecefe24c44cb4dc0d96609dffaebfe3457ba39d66a7669f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-cargo-watch-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-cargo-watch-test v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-cargo-watch-test-8195f0aee0a12c2b/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:8:64
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5600221e11d0 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x5600221e11d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5600221e11d0 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5600221e11d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h400b66a054640aac
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5600221f9e2c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x5600221df692 - std::io::Write::write_fmt::h6453b28c8b27c6ea
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x5600221e3335 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5600221e3335 - std::sys_common::backtrace::print::h953c7be178c0674d
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5600221e3335 - std::panicking::default_hook::{{closure}}::h635d667f571198f0
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5600221e2fd8 - std::panicking::default_hook::h3bc2efb48060abaa
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x5600221e39b1 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:577:17
[INFO] [stderr]     11:     0x5600221e3559 - std::panicking::begin_panic_handler::{{closure}}::hf0d3f46d37dd3bc1
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:484:9
[INFO] [stderr]     12:     0x5600221e166c - std::sys_common::backtrace::__rust_end_short_backtrace::h4bce8b52717576e3
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5600221e3519 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:483:5
[INFO] [stderr]     14:     0x5600221f9141 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/panicking.rs:85:14
[INFO] [stderr]     15:     0x5600221f8f63 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x5600221ce30b - core::result::Result<T,E>::unwrap::h601de780b0eb770d
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x5600221cf501 - build_script_build::main::hc26b38b96e91a2b0
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8:21
[INFO] [stderr]     18:     0x5600221cf01b - core::ops::function::FnOnce::call_once::hea302b5b6940ce77
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5600221cd69e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5d907d22b780fd3c
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x5600221cf8a1 - std::rt::lang_start::{{closure}}::h69dd654860e31741
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x5600221e3dd7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1af42f2aaad601f7
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5600221e3dd7 - std::panicking::try::do_call::h9d43a73a8e9fb04a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x5600221e3dd7 - std::panicking::try::h7a8d1100a6afe839
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x5600221e3dd7 - std::panic::catch_unwind::h9c80942da690cf03
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panic.rs:382:14
[INFO] [stderr]     25:     0x5600221e3dd7 - std::rt::lang_start_internal::h18ef240fb861b4d5
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x5600221cf877 - std::rt::lang_start::h30c5599de9b6f4be
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x5600221cf5da - main
[INFO] [stderr]     28:     0x7f63b82040b3 - __libc_start_main
[INFO] [stderr]     29:     0x5600221cb0ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ca3bc457f6e775efecefe24c44cb4dc0d96609dffaebfe3457ba39d66a7669f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3bc457f6e775efecefe24c44cb4dc0d96609dffaebfe3457ba39d66a7669f0", kill_on_drop: false }`
[INFO] [stdout] ca3bc457f6e775efecefe24c44cb4dc0d96609dffaebfe3457ba39d66a7669f0