[INFO] fetching crate rndz 0.1.3...
[INFO] testing rndz-0.1.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rndz 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rndz 0.1.3
[INFO] finished tweaking crates.io crate rndz 0.1.3
[INFO] tweaked toml for crates.io crate rndz 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rndz 0.1.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rndz 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5738bdc2824d748b9b43108c08a89fa27c3fc4b81e08d1c65db503b07d3166ad
[INFO] running `Command { std: "docker" "start" "-a" "5738bdc2824d748b9b43108c08a89fa27c3fc4b81e08d1c65db503b07d3166ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5738bdc2824d748b9b43108c08a89fa27c3fc4b81e08d1c65db503b07d3166ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5738bdc2824d748b9b43108c08a89fa27c3fc4b81e08d1c65db503b07d3166ad", kill_on_drop: false }`
[INFO] [stdout] 5738bdc2824d748b9b43108c08a89fa27c3fc4b81e08d1c65db503b07d3166ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12d0ef5107bfbac4b916e0cbe9e49d8de77680b0f77d73104bcb01784a80a0ea
[INFO] running `Command { std: "docker" "start" "-a" "12d0ef5107bfbac4b916e0cbe9e49d8de77680b0f77d73104bcb01784a80a0ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling protobuf-codegen v2.27.1
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.27.1
[INFO] [stderr]    Compiling rndz v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rndz v0.1.3 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rndz-3d7689577183bde0/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (641) panicked at build.rs:12:10:
[INFO] [stderr]   Codegen failed.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x636db0751be2 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x636db0751be2 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x636db0751be2 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x636db0751be2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hffd20ad4e5eca8ab
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x636db07631ef - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x636db07631ef - core::fmt::write::h6d9d3a7cfd7b84f5
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x636db072f233 - std::io::default_write_fmt::ha7130bf70117e1da
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x636db072f233 - std::io::Write::write_fmt::h22459ad26fe60c51
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x636db0734cb2 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x636db07369ac - std::panicking::default_hook::{{closure}}::h7555113b62983743
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x636db0736806 - std::panicking::default_hook::h2714b564abe8d914
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x636db0736f85 - std::panicking::panic_with_hook::h190dc82263685ec5
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x636db0736e1a - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x636db0734de9 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x636db0723c0d - __rustc[9b67c8562bba447b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x636db076c580 - core::panicking::panic_fmt::hc084f85b1e76c16d
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x636db076b996 - core::result::unwrap_failed::hf926a4254073b4aa
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1852:5
[INFO] [stderr]     17:     0x636db0560bf0 - core::result::Result<T,E>::expect::hf4448bee4d6e01f6
[INFO] [stderr]     18:     0x636db0560646 - build_script_build::main::h8f55939a9e8e9656
[INFO] [stderr]     19:     0x636db05609d3 - core::ops::function::FnOnce::call_once::h878602b2c84e2578
[INFO] [stderr]     20:     0x636db05609b6 - std::sys::backtrace::__rust_begin_short_backtrace::hcd222ae589bc4e45
[INFO] [stderr]     21:     0x636db0560929 - std::rt::lang_start::{{closure}}::h9da719e3a2b538a3
[INFO] [stderr]     22:     0x636db0730670 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcc75fa61d21ecbe5
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     23:     0x636db0730670 - std::panicking::catch_unwind::do_call::h38c051a071ca3bc0
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x636db0730670 - std::panicking::catch_unwind::hede2a2f6f4519f78
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x636db0730670 - std::panic::catch_unwind::h94765a19f52c0a43
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x636db0730670 - std::rt::lang_start_internal::{{closure}}::hb89c21d557706591
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x636db0730670 - std::panicking::catch_unwind::do_call::h50685f05733aeeef
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x636db0730670 - std::panicking::catch_unwind::hf9ba9716b02e6738
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x636db0730670 - std::panic::catch_unwind::h29770e281302b24d
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x636db0730670 - std::rt::lang_start_internal::hd5573b1f5f705a2a
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x636db0560911 - std::rt::lang_start::hb66a6016fea9c31e
[INFO] [stderr]     32:     0x636db0560de5 - main
[INFO] [stderr]     33:     0x72301bacf1ca - <unknown>
[INFO] [stderr]     34:     0x72301bacf28b - __libc_start_main
[INFO] [stderr]     35:     0x636db0560445 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "12d0ef5107bfbac4b916e0cbe9e49d8de77680b0f77d73104bcb01784a80a0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d0ef5107bfbac4b916e0cbe9e49d8de77680b0f77d73104bcb01784a80a0ea", kill_on_drop: false }`
[INFO] [stdout] 12d0ef5107bfbac4b916e0cbe9e49d8de77680b0f77d73104bcb01784a80a0ea