[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] checking AshyIsMe/fuse-ext4-rs against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshyIsMe%2Ffuse-ext4-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AshyIsMe/fuse-ext4-rs on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef927a1aeae896874fcccd885f838f73c6583072cc6d3663c631e1749a29b154
[INFO] running `Command { std: "docker" "start" "-a" "ef927a1aeae896874fcccd885f838f73c6583072cc6d3663c631e1749a29b154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef927a1aeae896874fcccd885f838f73c6583072cc6d3663c631e1749a29b154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef927a1aeae896874fcccd885f838f73c6583072cc6d3663c631e1749a29b154", kill_on_drop: false }`
[INFO] [stdout] ef927a1aeae896874fcccd885f838f73c6583072cc6d3663c631e1749a29b154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd9722af17662d509fa50aff53e193d236ef2eff2a24f0d78cd9aa46357c28b
[INFO] running `Command { std: "docker" "start" "-a" "6cd9722af17662d509fa50aff53e193d236ef2eff2a24f0d78cd9aa46357c28b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling ext4 v0.9.0 (https://github.com/FauxFaux/ext4-rs#dd0210ca)
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling crc v1.8.1
[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/ext4-8aa952861fef4e61/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' (260) 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:     0x5b47b1e99602 - std[2cca3b56f05e3e10]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5b47b1e99602 - std[2cca3b56f05e3e10]::backtrace_rs::backtrace::trace_unsynchronized::<std[2cca3b56f05e3e10]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5b47b1e99602 - std[2cca3b56f05e3e10]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5b47b1e99602 - <<std[2cca3b56f05e3e10]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[ece2ad3df8f19846]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5b47b1eaace7 - <core[ece2ad3df8f19846]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5b47b1eaace7 - core[ece2ad3df8f19846]::fmt::write
[INFO] [stderr]      6:     0x5b47b1e9d856 - std[2cca3b56f05e3e10]::io::default_write_fmt::<std[2cca3b56f05e3e10]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5b47b1e9d856 - <std[2cca3b56f05e3e10]::sys::stdio::unix::Stderr as std[2cca3b56f05e3e10]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5b47b1e7f8cc - <std[2cca3b56f05e3e10]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5b47b1e7f8cc - std[2cca3b56f05e3e10]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x5b47b1e95871 - std[2cca3b56f05e3e10]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x5b47b1e95a2b - std[2cca3b56f05e3e10]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x5b47b1e7f9ba - std[2cca3b56f05e3e10]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:692:13
[INFO] [stderr]     13:     0x5b47b1e74db9 - std[2cca3b56f05e3e10]::sys::backtrace::__rust_end_short_backtrace::<std[2cca3b56f05e3e10]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5b47b1e8026d - __rustc[22b5aff69a48681c]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x5b47b1eab32c - core[ece2ad3df8f19846]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5b47b1eab2f2 - core[ece2ad3df8f19846]::panicking::panic
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/core/src/panicking.rs:150:5
[INFO] [stderr]     17:     0x5b47b1e6583a - build_script_build[d35fd9953e4e2cdd]::extract_test_images
[INFO] [stderr]     18:     0x5b47b1e658b9 - build_script_build[d35fd9953e4e2cdd]::main
[INFO] [stderr]     19:     0x5b47b1e67d03 - <fn() as core[ece2ad3df8f19846]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x5b47b1e64ff6 - std[2cca3b56f05e3e10]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x5b47b1e654d9 - std[2cca3b56f05e3e10]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x5b47b1e94afa - <&dyn core[ece2ad3df8f19846]::ops::function::Fn<(), Output = i32> + core[ece2ad3df8f19846]::panic::unwind_safe::RefUnwindSafe + core[ece2ad3df8f19846]::marker::Sync as core[ece2ad3df8f19846]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5b47b1e94afa - std[2cca3b56f05e3e10]::panicking::catch_unwind::do_call::<&dyn core[ece2ad3df8f19846]::ops::function::Fn<(), Output = i32> + core[ece2ad3df8f19846]::panic::unwind_safe::RefUnwindSafe + core[ece2ad3df8f19846]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:582:40
[INFO] [stderr]     24:     0x5b47b1e94afa - std[2cca3b56f05e3e10]::panicking::catch_unwind::<i32, &dyn core[ece2ad3df8f19846]::ops::function::Fn<(), Output = i32> + core[ece2ad3df8f19846]::panic::unwind_safe::RefUnwindSafe + core[ece2ad3df8f19846]::marker::Sync>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:545:19
[INFO] [stderr]     25:     0x5b47b1e94afa - std[2cca3b56f05e3e10]::panic::catch_unwind::<&dyn core[ece2ad3df8f19846]::ops::function::Fn<(), Output = i32> + core[ece2ad3df8f19846]::panic::unwind_safe::RefUnwindSafe + core[ece2ad3df8f19846]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5b47b1e94afa - std[2cca3b56f05e3e10]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5b47b1e94afa - std[2cca3b56f05e3e10]::panicking::catch_unwind::do_call::<std[2cca3b56f05e3e10]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:582:40
[INFO] [stderr]     28:     0x5b47b1e94afa - std[2cca3b56f05e3e10]::panicking::catch_unwind::<isize, std[2cca3b56f05e3e10]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:545:19
[INFO] [stderr]     29:     0x5b47b1e94afa - std[2cca3b56f05e3e10]::panic::catch_unwind::<std[2cca3b56f05e3e10]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5b47b1e94afa - std[2cca3b56f05e3e10]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5b47b1e64611 - std[2cca3b56f05e3e10]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x5b47b1e68065 - main
[INFO] [stderr]     33:     0x7609ea58b1ca - <unknown>
[INFO] [stderr]     34:     0x7609ea58b28b - __libc_start_main
[INFO] [stderr]     35:     0x5b47b1e63b05 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6cd9722af17662d509fa50aff53e193d236ef2eff2a24f0d78cd9aa46357c28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd9722af17662d509fa50aff53e193d236ef2eff2a24f0d78cd9aa46357c28b", kill_on_drop: false }`
[INFO] [stdout] 6cd9722af17662d509fa50aff53e193d236ef2eff2a24f0d78cd9aa46357c28b
