[INFO] cloning repository https://github.com/Tnze/OpenTanktrouble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tnze/OpenTanktrouble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTnze%2FOpenTanktrouble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTnze%2FOpenTanktrouble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac2fc9c5c1fc26419ecf027db58fe9f4d082854d
[INFO] checking Tnze/OpenTanktrouble/ac2fc9c5c1fc26419ecf027db58fe9f4d082854d against master#8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTnze%2FOpenTanktrouble" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tnze/OpenTanktrouble
[INFO] finished tweaking git repo https://github.com/Tnze/OpenTanktrouble
[INFO] tweaked toml for git repo https://github.com/Tnze/OpenTanktrouble written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tnze/OpenTanktrouble on toolchain 8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tnze/OpenTanktrouble 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" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded oboe v0.3.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad1460ebf7649f462fc2c37bdefcd22cd89ce3fdc42257f7e40f6c28c4839e05
[INFO] running `Command { std: "docker" "start" "-a" "ad1460ebf7649f462fc2c37bdefcd22cd89ce3fdc42257f7e40f6c28c4839e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad1460ebf7649f462fc2c37bdefcd22cd89ce3fdc42257f7e40f6c28c4839e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1460ebf7649f462fc2c37bdefcd22cd89ce3fdc42257f7e40f6c28c4839e05", kill_on_drop: false }`
[INFO] [stdout] ad1460ebf7649f462fc2c37bdefcd22cd89ce3fdc42257f7e40f6c28c4839e05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a1a2847e382237f60e190ac57f66583d588767dc9c434349bd834f59db192a0
[INFO] running `Command { std: "docker" "start" "-a" "9a1a2847e382237f60e190ac57f66583d588767dc9c434349bd834f59db192a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling khronos-egl v3.0.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling wgpu-core v0.7.0
[INFO] [stderr]    Compiling spirv_cross v0.23.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling wayland-client v0.28.3
[INFO] [stderr]    Compiling wayland-protocols v0.28.3
[INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3`
[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-3df9991733761fc2/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=System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1994) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/build/cmd_finder.rs:50:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6165bd6872c2 - std[537962ca55f41443]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6165bd6872c2 - std[537962ca55f41443]::backtrace_rs::backtrace::trace_unsynchronized::<std[537962ca55f41443]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6165bd6872c2 - std[537962ca55f41443]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x6165bd6872c2 - <<std[537962ca55f41443]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6c9c9c2c6e9466e2]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x6165bd69c12a - <core[6c9c9c2c6e9466e2]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x6165bd69c12a - core[6c9c9c2c6e9466e2]::fmt::write
[INFO] [stderr]      6:     0x6165bd68dbe6 - std[537962ca55f41443]::io::default_write_fmt::<std[537962ca55f41443]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x6165bd68dbe6 - <std[537962ca55f41443]::sys::stdio::unix::Stderr as std[537962ca55f41443]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x6165bd667a9f - <std[537962ca55f41443]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x6165bd667a9f - std[537962ca55f41443]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x6165bd681991 - std[537962ca55f41443]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x6165bd681b4b - std[537962ca55f41443]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x6165bd667b58 - std[537962ca55f41443]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x6165bd65f419 - std[537962ca55f41443]::sys::backtrace::__rust_end_short_backtrace::<std[537962ca55f41443]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x6165bd6684fd - __rustc[cc0363f037a135f8]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x6165bd69c7dc - core[6c9c9c2c6e9466e2]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x6165bd6007b6 - <build_script_build[487e71c2f84cb9d3]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x6165bd5ff139 - <core[6c9c9c2c6e9466e2]::option::Option<std[537962ca55f41443]::path::PathBuf>>::unwrap_or_else::<<build_script_build[487e71c2f84cb9d3]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x6165bd5ff00c - <build_script_build[487e71c2f84cb9d3]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x6165bd603ffa - build_script_build[487e71c2f84cb9d3]::main
[INFO] [stderr]     20:     0x6165bd6063b3 - <fn() as core[6c9c9c2c6e9466e2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x6165bd5ffcd6 - std[537962ca55f41443]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x6165bd6007d9 - std[537962ca55f41443]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x6165bd680ad6 - <&dyn core[6c9c9c2c6e9466e2]::ops::function::Fn<(), Output = i32> + core[6c9c9c2c6e9466e2]::marker::Sync + core[6c9c9c2c6e9466e2]::panic::unwind_safe::RefUnwindSafe as core[6c9c9c2c6e9466e2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x6165bd680ad6 - std[537962ca55f41443]::panicking::catch_unwind::do_call::<&dyn core[6c9c9c2c6e9466e2]::ops::function::Fn<(), Output = i32> + core[6c9c9c2c6e9466e2]::marker::Sync + core[6c9c9c2c6e9466e2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x6165bd680ad6 - std[537962ca55f41443]::panicking::catch_unwind::<i32, &dyn core[6c9c9c2c6e9466e2]::ops::function::Fn<(), Output = i32> + core[6c9c9c2c6e9466e2]::marker::Sync + core[6c9c9c2c6e9466e2]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x6165bd680ad6 - std[537962ca55f41443]::panic::catch_unwind::<&dyn core[6c9c9c2c6e9466e2]::ops::function::Fn<(), Output = i32> + core[6c9c9c2c6e9466e2]::marker::Sync + core[6c9c9c2c6e9466e2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x6165bd680ad6 - std[537962ca55f41443]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x6165bd680ad6 - std[537962ca55f41443]::panicking::catch_unwind::do_call::<std[537962ca55f41443]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x6165bd680ad6 - std[537962ca55f41443]::panicking::catch_unwind::<isize, std[537962ca55f41443]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x6165bd680ad6 - std[537962ca55f41443]::panic::catch_unwind::<std[537962ca55f41443]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x6165bd680ad6 - std[537962ca55f41443]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x6165bd5ff891 - std[537962ca55f41443]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x6165bd606535 - main
[INFO] [stderr]     34:     0x759805b181ca - <unknown>
[INFO] [stderr]     35:     0x759805b1828b - __libc_start_main
[INFO] [stderr]     36:     0x6165bd5fe255 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.55/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=57586eb8690849a9 -C extra-filename=-f942dc2d6339c02e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-63924880a7f30552.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c5169d382a28ca35.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-467b3a2737902552.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9a1a2847e382237f60e190ac57f66583d588767dc9c434349bd834f59db192a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1a2847e382237f60e190ac57f66583d588767dc9c434349bd834f59db192a0", kill_on_drop: false }`
[INFO] [stdout] 9a1a2847e382237f60e190ac57f66583d588767dc9c434349bd834f59db192a0
