[INFO] fetching crate qemu-system-mipsel 0.1.0...
[INFO] testing qemu-system-mipsel-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate qemu-system-mipsel 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate qemu-system-mipsel 0.1.0
[INFO] finished tweaking crates.io crate qemu-system-mipsel 0.1.0
[INFO] tweaked toml for crates.io crate qemu-system-mipsel 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qemu-system-mipsel 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qemu-system-mipsel 0.1.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memfd-exec v0.1.4
[INFO] [stderr]   Downloaded qemu v0.1.6
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded git2 v0.15.0
[INFO] [stderr]   Downloaded libgit2-sys v0.14.0+1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc5104c65b2de0cdc382ccf2905a58268be6ceb205be4b92134fbad1f9964709
[INFO] running `Command { std: "docker" "start" "-a" "cc5104c65b2de0cdc382ccf2905a58268be6ceb205be4b92134fbad1f9964709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc5104c65b2de0cdc382ccf2905a58268be6ceb205be4b92134fbad1f9964709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5104c65b2de0cdc382ccf2905a58268be6ceb205be4b92134fbad1f9964709", kill_on_drop: false }`
[INFO] [stdout] cc5104c65b2de0cdc382ccf2905a58268be6ceb205be4b92134fbad1f9964709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab8812509aaf171bbdf2748c4734c9709e24caf83a3cb03e2d8011fc7b7be26
[INFO] running `Command { std: "docker" "start" "-a" "1ab8812509aaf171bbdf2748c4734c9709e24caf83a3cb03e2d8011fc7b7be26", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling memfd-exec v0.1.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling nix v0.25.0
[INFO] [stderr]    Compiling openssl-sys v0.9.77
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling git2 v0.15.0
[INFO] [stderr]    Compiling qemu v0.1.6
[INFO] [stderr] error: failed to run custom build command for `qemu v0.1.6`
[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/qemu-6080f81c71e71431/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1659) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/qemu-0.1.6/build.rs:697:53:
[INFO] [stderr]   Failed to open repository: Error { code: -3, klass: 2, message: "failed to resolve path '/opt/rustwide/target/debug/build/qemu-46439b464d82e0a8/out/qemu': No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x60815e9a6202 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x60815e9a6202 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x60815e9a6202 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x60815e9a6202 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h52160e9da139e442
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x60815e9b595f - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x60815e9b595f - core::fmt::write::hf09a056a304e021a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x60815e97b2e1 - std::io::default_write_fmt::h7567c5950fb0173c
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x60815e97b2e1 - std::io::Write::write_fmt::h361c7127187cda65
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x60815e984ec2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x60815e986cef - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x60815e986b49 - std::panicking::default_hook::h8d20506cf72e4831
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x60815e987425 - std::panicking::panic_with_hook::h746880a052e02c85
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x60815e98720a - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x60815e984ff9 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x60815e96f7ad - __rustc[76f7e7187978e2f8]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x60815e9b92e0 - core::panicking::panic_fmt::heb245a301f4395db
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x60815e9b89f6 - core::result::unwrap_failed::h91bd1e1731f928fc
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x60815e842610 - core::result::Result<T,E>::expect::h144276b0c414a12f
[INFO] [stderr]     18:     0x60815e83f5f9 - build_script_build::main::h29dd15d020749ea9
[INFO] [stderr]     19:     0x60815e841073 - core::ops::function::FnOnce::call_once::h0428781bea41649a
[INFO] [stderr]     20:     0x60815e840836 - std::sys::backtrace::__rust_begin_short_backtrace::h1cdef69809bcb2b1
[INFO] [stderr]     21:     0x60815e840759 - std::rt::lang_start::{{closure}}::h0568331a592cda8a
[INFO] [stderr]     22:     0x60815e97ccc0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h92f7271baace0227
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x60815e97ccc0 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x60815e97ccc0 - std::panicking::catch_unwind::h44920ff533ed11dd
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x60815e97ccc0 - std::panic::catch_unwind::hbc4760794652046f
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x60815e97ccc0 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x60815e97ccc0 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x60815e97ccc0 - std::panicking::catch_unwind::ha3a2750d16137715
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x60815e97ccc0 - std::panic::catch_unwind::ha56344eb931bca1a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x60815e97ccc0 - std::rt::lang_start_internal::h4e6c18fadc4e7470
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x60815e840741 - std::rt::lang_start::hbf013202123a64f1
[INFO] [stderr]     32:     0x60815e845ea5 - main
[INFO] [stderr]     33:     0x77dbb7c5b1ca - <unknown>
[INFO] [stderr]     34:     0x77dbb7c5b28b - __libc_start_main
[INFO] [stderr]     35:     0x60815e83e985 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "1ab8812509aaf171bbdf2748c4734c9709e24caf83a3cb03e2d8011fc7b7be26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab8812509aaf171bbdf2748c4734c9709e24caf83a3cb03e2d8011fc7b7be26", kill_on_drop: false }`
[INFO] [stdout] 1ab8812509aaf171bbdf2748c4734c9709e24caf83a3cb03e2d8011fc7b7be26