[INFO] fetching crate mrusty 1.0.0...
[INFO] checking mrusty-1.0.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mrusty 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mrusty 1.0.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mrusty 1.0.0
[INFO] finished tweaking crates.io crate mrusty 1.0.0
[INFO] tweaked toml for crates.io crate mrusty 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.1.8
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded vergen v0.1.1
[INFO] [stderr]   Downloaded blastfig v0.3.3
[INFO] [stderr]   Downloaded rl-sys v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6adf7e818f353e11beb3c1526a8ff1fd44f299dfa380aa63e93bd65f5100e99e
[INFO] running `Command { std: "docker" "start" "-a" "6adf7e818f353e11beb3c1526a8ff1fd44f299dfa380aa63e93bd65f5100e99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6adf7e818f353e11beb3c1526a8ff1fd44f299dfa380aa63e93bd65f5100e99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adf7e818f353e11beb3c1526a8ff1fd44f299dfa380aa63e93bd65f5100e99e", kill_on_drop: false }`
[INFO] [stdout] 6adf7e818f353e11beb3c1526a8ff1fd44f299dfa380aa63e93bd65f5100e99e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be482ccac0d9bbd0358d4ca78ab36283b7b62e1c15f5a5d09f79cac8d2f2d40
[INFO] running `Command { std: "docker" "start" "-a" "9be482ccac0d9bbd0358d4ca78ab36283b7b62e1c15f5a5d09f79cac8d2f2d40", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling tar v0.4.40
[INFO] [stderr]    Compiling mrusty v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]   --> build.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut config = gcc::Config::new();
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]   --> build.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut config = gcc::Config::new();
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut config = gcc::Config::new();
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut config = gcc::Config::new();
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `mrusty v1.0.0 (/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/mrusty-8ef62840f1cbfe6a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 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:     0x55efdd546cd2 - std::backtrace_rs::backtrace::libunwind::trace::hd67e08e71d64f12a
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55efdd546cd2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1b6e03ae921b7ccc
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55efdd546cd2 - std::sys_common::backtrace::_print_fmt::h104284235ec6c37d
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55efdd546cd2 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9ec11fc9f8e1e9e3
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55efdd56bc6c - core::fmt::rt::Argument::fmt::hba6bb69d73dbc69a
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55efdd56bc6c - core::fmt::write::h1591db653c658e71
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x55efdd543dcf - std::io::Write::write_fmt::hfbffa468e7623aef
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/io/mod.rs:1843:15
[INFO] [stderr]      7:     0x55efdd546aa4 - std::sys_common::backtrace::_print::h00abfdf27a732373
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55efdd546aa4 - std::sys_common::backtrace::print::ha9520edf621a95dc
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55efdd5482db - std::panicking::default_hook::{{closure}}::h46e508c07ecf0cb0
[INFO] [stderr]     10:     0x55efdd548033 - std::panicking::default_hook::h171667a6e5f66517
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55efdd54877d - std::panicking::rust_panic_with_hook::hb748cf56d2d9af62
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55efdd548652 - std::panicking::begin_panic_handler::{{closure}}::h1f68a14808274394
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55efdd5471a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h36413da1fefb6b73
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55efdd548384 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55efdd4c3255 - core::panicking::panic_fmt::hbebe585df2478a90
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55efdd4c37b3 - core::result::unwrap_failed::h0d83f95df08bb1b3
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/result.rs:1654:5
[INFO] [stderr]     17:     0x55efdd4c471d - build_script_build::main::he03fbcc09ab9a87e
[INFO] [stderr]     18:     0x55efdd4c3f13 - core::ops::function::FnOnce::call_once::h2de9485f616d99cf
[INFO] [stderr]     19:     0x55efdd4c3b46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f6566d703635d45
[INFO] [stderr]     20:     0x55efdd4c3c69 - std::rt::lang_start::{{closure}}::h92d1d6b2373a1a18
[INFO] [stderr]     21:     0x55efdd53f9f3 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc0dea7e08dfe9d58
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x55efdd53f9f3 - std::panicking::try::do_call::h9e7e3ff0019eca48
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:552:40
[INFO] [stderr]     23:     0x55efdd53f9f3 - std::panicking::try::h4177c8693e12080e
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:516:19
[INFO] [stderr]     24:     0x55efdd53f9f3 - std::panic::catch_unwind::h30c59f0ccf8c5da4
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panic.rs:146:14
[INFO] [stderr]     25:     0x55efdd53f9f3 - std::rt::lang_start_internal::{{closure}}::hc959f2313e587664
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/rt.rs:148:48
[INFO] [stderr]     26:     0x55efdd53f9f3 - std::panicking::try::do_call::h52365037f05374a7
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:552:40
[INFO] [stderr]     27:     0x55efdd53f9f3 - std::panicking::try::h7da172df60cd6061
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:516:19
[INFO] [stderr]     28:     0x55efdd53f9f3 - std::panic::catch_unwind::h88fa8b63d34be7de
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panic.rs:146:14
[INFO] [stderr]     29:     0x55efdd53f9f3 - std::rt::lang_start_internal::hc3039611687c4867
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/rt.rs:148:20
[INFO] [stderr]     30:     0x55efdd4c3c47 - std::rt::lang_start::h9a6096cc7b246110
[INFO] [stderr]     31:     0x55efdd4c4bf5 - main
[INFO] [stderr]     32:     0x7fb9bbc36d90 - <unknown>
[INFO] [stderr]     33:     0x7fb9bbc36e40 - __libc_start_main
[INFO] [stderr]     34:     0x55efdd4c3965 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9be482ccac0d9bbd0358d4ca78ab36283b7b62e1c15f5a5d09f79cac8d2f2d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be482ccac0d9bbd0358d4ca78ab36283b7b62e1c15f5a5d09f79cac8d2f2d40", kill_on_drop: false }`
[INFO] [stdout] 9be482ccac0d9bbd0358d4ca78ab36283b7b62e1c15f5a5d09f79cac8d2f2d40
