[INFO] fetching crate ext4 0.9.0...
[INFO] checking ext4-0.9.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate ext4 0.9.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ext4 0.9.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ext4 0.9.0
[INFO] finished tweaking crates.io crate ext4 0.9.0
[INFO] tweaked toml for crates.io crate ext4 0.9.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ext4 0.9.0 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d26357b4b9212e3e6183307d065481953348bd0ec9006f992da5fc0bda1b2c2
[INFO] running `Command { std: "docker" "start" "-a" "5d26357b4b9212e3e6183307d065481953348bd0ec9006f992da5fc0bda1b2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d26357b4b9212e3e6183307d065481953348bd0ec9006f992da5fc0bda1b2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d26357b4b9212e3e6183307d065481953348bd0ec9006f992da5fc0bda1b2c2", kill_on_drop: false }`
[INFO] [stdout] 5d26357b4b9212e3e6183307d065481953348bd0ec9006f992da5fc0bda1b2c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9a7f954aff47fd953b4437c5db43805b7cb0df7ac72ad35c982d72ac385d50
[INFO] running `Command { std: "docker" "start" "-a" "8c9a7f954aff47fd953b4437c5db43805b7cb0df7ac72ad35c982d72ac385d50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ext4 v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr] error: failed to run custom build command for `ext4 v0.9.0 (/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/ext4-029af1c2ce02e3dd/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   tar: all-types.img: Cannot open: Read-only file system
[INFO] [stderr]   tar: all-types-32.img: Cannot open: Read-only file system
[INFO] [stderr]   tar: all-types-tiny.img: Cannot open: Read-only file system
[INFO] [stderr]   tar: all-types-big.img: Cannot open: Read-only file system
[INFO] [stderr]   tar: all-types-big-32.img: Cannot open: Read-only file system
[INFO] [stderr]   tar: Exiting with failure status due to previous errors
[INFO] [stderr]   thread 'main' panicked at build.rs:12:5:
[INFO] [stderr]   assertion failed: process::Command::new("tar").args(&["-C", DEST, "-xf",
[INFO] [stderr]                                       "scripts/generate-images/images.tgz"]).spawn()?.wait()?.success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5790584091aa - std::backtrace_rs::backtrace::libunwind::trace::h49438d59a450c8cd
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5790584091aa - std::backtrace_rs::backtrace::trace_unsynchronized::h00f8204a39c7607d
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5790584091aa - std::sys::backtrace::_print_fmt::hfb4570bcf6575231
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5790584091aa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::haa24b3ebc15b8405
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x579058429453 - core::fmt::rt::Argument::fmt::h640632ca911b1954
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x579058429453 - core::fmt::write::hd87dd4a80fd6ed54
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]      6:     0x579058406ad3 - std::io::Write::write_fmt::h63c69be3cb79728d
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x579058408ff2 - std::sys::backtrace::BacktraceLock::print::h0cabd5ee17b200b1
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x579058409fbc - std::panicking::default_hook::{{closure}}::hfecf31e00fd6a324
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x579058409e02 - std::panicking::default_hook::h4b1c6fd76f5e43f2
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x57905840a5b7 - std::panicking::rust_panic_with_hook::h43e69ada3ffc0134
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x57905840a416 - std::panicking::begin_panic_handler::{{closure}}::h541e54997b7f9317
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:667:13
[INFO] [stderr]     12:     0x579058409689 - std::sys::backtrace::__rust_end_short_backtrace::h77e9f2cf7d6f5724
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x57905840a0dc - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5790584286a0 - core::panicking::panic_fmt::h8656b4a1ebe7eef6
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/panicking.rs:76:14
[INFO] [stderr]     15:     0x57905842872c - core::panicking::panic::hbc081bdb6c27c363
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/panicking.rs:148:5
[INFO] [stderr]     16:     0x5790583e545e - build_script_build::extract_test_images::h9b1c782e807bfc99
[INFO] [stderr]     17:     0x5790583e54d9 - build_script_build::main::h401468b0474ed4ab
[INFO] [stderr]     18:     0x5790583e20d3 - core::ops::function::FnOnce::call_once::h9394ac311484225a
[INFO] [stderr]     19:     0x5790583e1916 - std::sys::backtrace::__rust_begin_short_backtrace::h22bd46bab1e82e9b
[INFO] [stderr]     20:     0x5790583e1849 - std::rt::lang_start::{{closure}}::h92d27ec7461452a1
[INFO] [stderr]     21:     0x579058404707 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5de4a2bf18b34b48
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x579058404707 - std::panicking::try::do_call::h18e58ebf513e1dfb
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     23:     0x579058404707 - std::panicking::try::hd66d4cce67b2d3a6
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     24:     0x579058404707 - std::panic::catch_unwind::h7d20459bfb46fa18
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panic.rs:358:14
[INFO] [stderr]     25:     0x579058404707 - std::rt::lang_start_internal::{{closure}}::h08530640535ea25a
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/rt.rs:174:48
[INFO] [stderr]     26:     0x579058404707 - std::panicking::try::do_call::hef1d5032756af4de
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     27:     0x579058404707 - std::panicking::try::h72abeda96f937582
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     28:     0x579058404707 - std::panic::catch_unwind::hff9195ddaed64075
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/panic.rs:358:14
[INFO] [stderr]     29:     0x579058404707 - std::rt::lang_start_internal::h506b703bddcb88cd
[INFO] [stderr]                                  at /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/std/src/rt.rs:174:20
[INFO] [stderr]     30:     0x5790583e1827 - std::rt::lang_start::h2821f2afbeab9636
[INFO] [stderr]     31:     0x5790583e5575 - main
[INFO] [stderr]     32:     0x738e44dc7d90 - <unknown>
[INFO] [stderr]     33:     0x738e44dc7e40 - __libc_start_main
[INFO] [stderr]     34:     0x5790583e0995 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8c9a7f954aff47fd953b4437c5db43805b7cb0df7ac72ad35c982d72ac385d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9a7f954aff47fd953b4437c5db43805b7cb0df7ac72ad35c982d72ac385d50", kill_on_drop: false }`
[INFO] [stdout] 8c9a7f954aff47fd953b4437c5db43805b7cb0df7ac72ad35c982d72ac385d50
