[INFO] fetching crate ext4 0.9.0...
[INFO] checking ext4-0.9.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ext4 0.9.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ext4 0.9.0 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 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-0-tc1/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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded bootsector v0.1.4
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded positioned-io v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 32ffe18f9fb84648fd6ae470314639a206e953c1bb50bcf9be826f2025fb6b20
[INFO] running `Command { std: "docker" "start" "-a" "32ffe18f9fb84648fd6ae470314639a206e953c1bb50bcf9be826f2025fb6b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ffe18f9fb84648fd6ae470314639a206e953c1bb50bcf9be826f2025fb6b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ffe18f9fb84648fd6ae470314639a206e953c1bb50bcf9be826f2025fb6b20", kill_on_drop: false }`
[INFO] [stdout] 32ffe18f9fb84648fd6ae470314639a206e953c1bb50bcf9be826f2025fb6b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d3220aa105ac96e7f86d8a057d345ca9e4a38a0f2a5c19ac3c59ef49dec11da7
[INFO] running `Command { std: "docker" "start" "-a" "d3220aa105ac96e7f86d8a057d345ca9e4a38a0f2a5c19ac3c59ef49dec11da7", 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]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling ext4 v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crc v1.8.1
[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:     0x5632d07addf2 - 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:     0x5632d07addf2 - 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:     0x5632d07addf2 - std::sys_common::backtrace::_print_fmt::h104284235ec6c37d
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x5632d07addf2 - <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:     0x5632d07cf3dc - core::fmt::rt::Argument::fmt::hba6bb69d73dbc69a
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x5632d07cf3dc - core::fmt::write::h1591db653c658e71
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x5632d07ac00f - std::io::Write::write_fmt::hfbffa468e7623aef
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/io/mod.rs:1843:15
[INFO] [stderr]      7:     0x5632d07adbc4 - std::sys_common::backtrace::_print::h00abfdf27a732373
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x5632d07adbc4 - std::sys_common::backtrace::print::ha9520edf621a95dc
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x5632d07af08b - std::panicking::default_hook::{{closure}}::h46e508c07ecf0cb0
[INFO] [stderr]     10:     0x5632d07aede3 - std::panicking::default_hook::h171667a6e5f66517
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x5632d07af52d - std::panicking::rust_panic_with_hook::hb748cf56d2d9af62
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x5632d07af3c9 - std::panicking::begin_panic_handler::{{closure}}::h1f68a14808274394
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:649:13
[INFO] [stderr]     13:     0x5632d07ae2c6 - 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:     0x5632d07af134 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x5632d078ac25 - core::panicking::panic_fmt::hbebe585df2478a90
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x5632d078ace3 - core::panicking::panic::he76d959b4d65b8fd
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/panicking.rs:145:5
[INFO] [stderr]     17:     0x5632d078fa1f - build_script_build::extract_test_images::h8b6d21fecc8825b7
[INFO] [stderr]     18:     0x5632d078fa99 - build_script_build::main::haf78f1aeef1ab234
[INFO] [stderr]     19:     0x5632d078c2c3 - core::ops::function::FnOnce::call_once::h9307f58cd89a7cfd
[INFO] [stderr]     20:     0x5632d078b626 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcbc1ba704a80d42d
[INFO] [stderr]     21:     0x5632d078bbd9 - std::rt::lang_start::{{closure}}::h67c6f1a6e1e8b7e3
[INFO] [stderr]     22:     0x5632d07a9a03 - 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]     23:     0x5632d07a9a03 - std::panicking::try::do_call::h9e7e3ff0019eca48
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x5632d07a9a03 - std::panicking::try::h4177c8693e12080e
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x5632d07a9a03 - std::panic::catch_unwind::h30c59f0ccf8c5da4
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panic.rs:146:14
[INFO] [stderr]     26:     0x5632d07a9a03 - std::rt::lang_start_internal::{{closure}}::hc959f2313e587664
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x5632d07a9a03 - std::panicking::try::do_call::h52365037f05374a7
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x5632d07a9a03 - std::panicking::try::h7da172df60cd6061
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x5632d07a9a03 - std::panic::catch_unwind::h88fa8b63d34be7de
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panic.rs:146:14
[INFO] [stderr]     30:     0x5632d07a9a03 - std::rt::lang_start_internal::hc3039611687c4867
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x5632d078bbb7 - std::rt::lang_start::hf05c103fdf2b7c61
[INFO] [stderr]     32:     0x5632d078fb35 - main
[INFO] [stderr]     33:     0x7f895829ad90 - <unknown>
[INFO] [stderr]     34:     0x7f895829ae40 - __libc_start_main
[INFO] [stderr]     35:     0x5632d078b205 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d3220aa105ac96e7f86d8a057d345ca9e4a38a0f2a5c19ac3c59ef49dec11da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3220aa105ac96e7f86d8a057d345ca9e4a38a0f2a5c19ac3c59ef49dec11da7", kill_on_drop: false }`
[INFO] [stdout] d3220aa105ac96e7f86d8a057d345ca9e4a38a0f2a5c19ac3c59ef49dec11da7
