[INFO] cloning repository https://github.com/maeln/shdrr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maeln/shdrr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fshdrr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fshdrr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 346ec778f365bf63713821ad01d8ab2c106348c7
[INFO] testing maeln/shdrr against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaeln%2Fshdrr" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maeln/shdrr
[INFO] finished tweaking git repo https://github.com/maeln/shdrr
[INFO] tweaked toml for git repo https://github.com/maeln/shdrr written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maeln/shdrr 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/maeln/shdrr 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5b40a4040ef9a7a2fae92a03f8af66a0e459e7686c33ada73fa67f8af3829058
[INFO] running `Command { std: "docker" "start" "-a" "5b40a4040ef9a7a2fae92a03f8af66a0e459e7686c33ada73fa67f8af3829058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b40a4040ef9a7a2fae92a03f8af66a0e459e7686c33ada73fa67f8af3829058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b40a4040ef9a7a2fae92a03f8af66a0e459e7686c33ada73fa67f8af3829058", kill_on_drop: false }`
[INFO] [stdout] 5b40a4040ef9a7a2fae92a03f8af66a0e459e7686c33ada73fa67f8af3829058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9c38ef78d472a34cff155e904210bd4df5b47d8a80cd5201828a9d728bec92ae
[INFO] running `Command { std: "docker" "start" "-a" "9c38ef78d472a34cff155e904210bd4df5b47d8a80cd5201828a9d728bec92ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling atty v0.2.12
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr] warning: shaderc-sys@0.5.1: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.5.1: Pre-built library not found.  Falling back to from-source build
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.5.1`
[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/shaderc-sys-4e83a48df98e7026/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr]   cargo:warning=Pre-built library not found.  Falling back to from-source build
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.5.1/build/cmd_finder.rs:45:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5997857f7942 - 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:     0x5997857f7942 - 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:     0x5997857f7942 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5997857f7942 - <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:     0x59978581a193 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x59978581a193 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x5997857f4573 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5997857f4573 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5997857f7792 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5997857f8b76 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5997857f8979 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5997857f9542 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5997857f92da - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5997857f7e39 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5997857f8f6d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x599785819100 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5997857b3c27 - build_script_build::cmd_finder::CommandFinder::must_have::h8afdee7550abfad7
[INFO] [stderr]     17:     0x5997857b03eb - build_script_build::main::hc5c09dbae5f9d3d9
[INFO] [stderr]     18:     0x5997857b24b3 - std::sys::backtrace::__rust_begin_short_backtrace::hd5924324f7fb76f9
[INFO] [stderr]     19:     0x5997857b1ee9 - std::rt::lang_start::{{closure}}::hea6e6ab6df10dea7
[INFO] [stderr]     20:     0x5997857f04c0 - 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:     0x5997857f04c0 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]     22:     0x5997857f04c0 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]     23:     0x5997857f04c0 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x5997857f04c0 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x5997857f04c0 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]     26:     0x5997857f04c0 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]     27:     0x5997857f04c0 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5997857f04c0 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stderr]                                  at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x5997857b1ed5 - main
[INFO] [stderr]     30:     0x711b564b51ca - <unknown>
[INFO] [stderr]     31:     0x711b564b528b - __libc_start_main
[INFO] [stderr]     32:     0x5997857ae935 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9c38ef78d472a34cff155e904210bd4df5b47d8a80cd5201828a9d728bec92ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c38ef78d472a34cff155e904210bd4df5b47d8a80cd5201828a9d728bec92ae", kill_on_drop: false }`
[INFO] [stdout] 9c38ef78d472a34cff155e904210bd4df5b47d8a80cd5201828a9d728bec92ae
