[INFO] cloning repository https://github.com/AshyIsMe/fuse-ext4-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AshyIsMe/fuse-ext4-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshyIsMe%2Ffuse-ext4-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshyIsMe%2Ffuse-ext4-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f1a6d7b45221251bfc05aabd7def1eb79e1038
[INFO] testing AshyIsMe/fuse-ext4-rs against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshyIsMe%2Ffuse-ext4-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AshyIsMe/fuse-ext4-rs
[INFO] finished tweaking git repo https://github.com/AshyIsMe/fuse-ext4-rs
[INFO] tweaked toml for git repo https://github.com/AshyIsMe/fuse-ext4-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AshyIsMe/fuse-ext4-rs on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AshyIsMe/fuse-ext4-rs 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c74b75e1c6b2c4acb9f28c26e92e1e1ff3a039260bc7c2439eb1b986eec5819
[INFO] running `Command { std: "docker" "start" "-a" "3c74b75e1c6b2c4acb9f28c26e92e1e1ff3a039260bc7c2439eb1b986eec5819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c74b75e1c6b2c4acb9f28c26e92e1e1ff3a039260bc7c2439eb1b986eec5819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c74b75e1c6b2c4acb9f28c26e92e1e1ff3a039260bc7c2439eb1b986eec5819", kill_on_drop: false }`
[INFO] [stdout] 3c74b75e1c6b2c4acb9f28c26e92e1e1ff3a039260bc7c2439eb1b986eec5819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36cbb1655c84ac928330e0f3a935c0560e4ca6e40496dfbca118cf2c3279d6bd
[INFO] running `Command { std: "docker" "start" "-a" "36cbb1655c84ac928330e0f3a935c0560e4ca6e40496dfbca118cf2c3279d6bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling ext4 v0.9.0 (https://github.com/FauxFaux/ext4-rs#dd0210ca)
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr] error: failed to run custom build command for `ext4 v0.9.0 (https://github.com/FauxFaux/ext4-rs#dd0210ca)`
[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/ext4-28405f5dd8bcebdb/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] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/git/checkouts/ext4-rs-7a6b52ef05662ee3/dd0210c/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:     0x59f1e7e91f72 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x59f1e7e91f72 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x59f1e7e91f72 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x59f1e7e91f72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x59f1e7eb1233 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x59f1e7eb1233 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x59f1e7e8fbd3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x59f1e7e8fbd3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x59f1e7e91dc2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x59f1e7e92e36 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x59f1e7e92c39 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x59f1e7e93702 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x59f1e7e93566 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x59f1e7e92469 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x59f1e7e9322d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x59f1e7eb0520 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x59f1e7eb058c - core::panicking::panic::hd2a569f4f37f7e10
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:145:5
[INFO] [stderr]     17:     0x59f1e7e6d3e2 - build_script_build::main::h59061797bc84fb1b
[INFO] [stderr]     18:     0x59f1e7e6c803 - std::sys::backtrace::__rust_begin_short_backtrace::h95463deefbd468fa
[INFO] [stderr]     19:     0x59f1e7e6c7f9 - std::rt::lang_start::{{closure}}::h1dbb0aecddc92954
[INFO] [stderr]     20:     0x59f1e7e8d270 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     21:     0x59f1e7e8d270 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]     22:     0x59f1e7e8d270 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]     23:     0x59f1e7e8d270 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x59f1e7e8d270 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x59f1e7e8d270 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]     26:     0x59f1e7e8d270 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]     27:     0x59f1e7e8d270 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x59f1e7e8d270 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x59f1e7e6d4d5 - main
[INFO] [stderr]     30:     0x7e002fed41ca - <unknown>
[INFO] [stderr]     31:     0x7e002fed428b - __libc_start_main
[INFO] [stderr]     32:     0x59f1e7e6c725 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "36cbb1655c84ac928330e0f3a935c0560e4ca6e40496dfbca118cf2c3279d6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cbb1655c84ac928330e0f3a935c0560e4ca6e40496dfbca118cf2c3279d6bd", kill_on_drop: false }`
[INFO] [stdout] 36cbb1655c84ac928330e0f3a935c0560e4ca6e40496dfbca118cf2c3279d6bd
