[INFO] cloning repository https://github.com/wordijp/alias-exe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wordijp/alias-exe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwordijp%2Falias-exe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwordijp%2Falias-exe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57e5df867f8fa92176ef09446bc8f8723d5cfc8c
[INFO] checking wordijp/alias-exe against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwordijp%2Falias-exe" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wordijp/alias-exe
[INFO] finished tweaking git repo https://github.com/wordijp/alias-exe
[INFO] tweaked toml for git repo https://github.com/wordijp/alias-exe written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wordijp/alias-exe on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wordijp/alias-exe 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/wordijp/mrusty`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.8
[INFO] [stderr]   Downloaded tar v0.4.26
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded regex v1.3.4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 620c808cef5c2dcf7147958ff949fa4057a87fda6f6368752a6e683620fbefb6
[INFO] running `Command { std: "docker" "start" "-a" "620c808cef5c2dcf7147958ff949fa4057a87fda6f6368752a6e683620fbefb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "620c808cef5c2dcf7147958ff949fa4057a87fda6f6368752a6e683620fbefb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620c808cef5c2dcf7147958ff949fa4057a87fda6f6368752a6e683620fbefb6", kill_on_drop: false }`
[INFO] [stdout] 620c808cef5c2dcf7147958ff949fa4057a87fda6f6368752a6e683620fbefb6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5623afa780d3d949dbf8cb28a0f5957a143cf704a560dcbb4714fef2ad4fa327
[INFO] running `Command { std: "docker" "start" "-a" "5623afa780d3d949dbf8cb28a0f5957a143cf704a560dcbb4714fef2ad4fa327", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling mrusty v1.0.0 (https://github.com/wordijp/mrusty#531b52fc)
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr] error: failed to run custom build command for `mrusty v1.0.0 (https://github.com/wordijp/mrusty#531b52fc)`
[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/mrusty-909f3a3f686b418e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (394) panicked at /opt/rustwide/cargo-home/git/checkouts/mrusty-623ed9da21aef913/531b52f/build.rs:26:30:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Custom { kind: ReadOnlyFilesystem, error: TarError { desc: "failed to create `target`", io: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } } }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e5d2c162eb2 - std::backtrace_rs::backtrace::libunwind::trace::h4719922acc1f32d8
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e5d2c162eb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2051c42b2630a5c2
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e5d2c162eb2 - std::sys::backtrace::_print_fmt::h6b555000df2c582f
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e5d2c162eb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8ded6d8a024ba086
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e5d2c172adf - core::fmt::rt::Argument::fmt::h35a1c06d9b268106
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e5d2c172adf - core::fmt::write::h54578f32d57bc648
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5e5d2c131173 - std::io::default_write_fmt::hf46c9099dd2bb784
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e5d2c131173 - std::io::Write::write_fmt::h4f349bf8aaccb43d
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e5d2c13cd32 - std::sys::backtrace::BacktraceLock::print::hecec56b35aaf603f
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e5d2c14027f - std::panicking::default_hook::{{closure}}::hd6c682914ab1ad26
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5e5d2c1400d9 - std::panicking::default_hook::h6cfe4cd6f8bc31e5
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5e5d2c140855 - std::panicking::panic_with_hook::h44c676ec17840d54
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5e5d2c1406ea - std::panicking::panic_handler::{{closure}}::hcd464e8af1215c4e
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5e5d2c13ce69 - std::sys::backtrace::__rust_end_short_backtrace::h472e40a56c906c62
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e5d2c124f5d - __rustc[66709b9d059b37fc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5e5d2c176840 - core::panicking::panic_fmt::h799ffb5863fc63a3
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e5d2c175ec6 - core::result::unwrap_failed::he5b2489b59f2e27b
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x5e5d2c0c1d94 - build_script_build::main::h0f4158acd70fc42e
[INFO] [stderr]     18:     0x5e5d2c0c27b3 - core::ops::function::FnOnce::call_once::h7aa4191ab2a2ffa2
[INFO] [stderr]     19:     0x5e5d2c0c2596 - std::sys::backtrace::__rust_begin_short_backtrace::hf5da9bf503023189
[INFO] [stderr]     20:     0x5e5d2c0c2509 - std::rt::lang_start::{{closure}}::h6f1d453a22016fc2
[INFO] [stderr]     21:     0x5e5d2c132900 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3c1a118f95f28ce
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5e5d2c132900 - std::panicking::catch_unwind::do_call::h7d530c21a6dc7c89
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x5e5d2c132900 - std::panicking::catch_unwind::hd663eff96b260042
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x5e5d2c132900 - std::panic::catch_unwind::h951995dd76995562
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5e5d2c132900 - std::rt::lang_start_internal::{{closure}}::h9d8c468c91cbf901
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5e5d2c132900 - std::panicking::catch_unwind::do_call::he3860c7edc206498
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x5e5d2c132900 - std::panicking::catch_unwind::ha3af58ce34415e02
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x5e5d2c132900 - std::panic::catch_unwind::h29ffe2ddc58d5e18
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5e5d2c132900 - std::rt::lang_start_internal::hd327f88d31071a57
[INFO] [stderr]                                  at /rustc/f77b5bc6c7c84df104f86b0dd01d9490e3923fa8/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5e5d2c0c24f1 - std::rt::lang_start::h5457289eb6ffe495
[INFO] [stderr]     31:     0x5e5d2c0c2da5 - main
[INFO] [stderr]     32:     0x7b824f2c11ca - <unknown>
[INFO] [stderr]     33:     0x7b824f2c128b - __libc_start_main
[INFO] [stderr]     34:     0x5e5d2c0c1ac5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5623afa780d3d949dbf8cb28a0f5957a143cf704a560dcbb4714fef2ad4fa327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5623afa780d3d949dbf8cb28a0f5957a143cf704a560dcbb4714fef2ad4fa327", kill_on_drop: false }`
[INFO] [stdout] 5623afa780d3d949dbf8cb28a0f5957a143cf704a560dcbb4714fef2ad4fa327