[INFO] cloning repository https://github.com/countcraicula/markdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/countcraicula/markdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcountcraicula%2Fmarkdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcountcraicula%2Fmarkdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78b3129a16c5dc589aa109c5a1cb54f2d53e731f
[INFO] checking countcraicula/markdown against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcountcraicula%2Fmarkdown" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/countcraicula/markdown
[INFO] finished tweaking git repo https://github.com/countcraicula/markdown
[INFO] tweaked toml for git repo https://github.com/countcraicula/markdown written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/countcraicula/markdown on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/countcraicula/markdown 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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bd0d00e4e53ca96fe7316c4a02dc433a83d768ed8122a1cf0a06ffe568219ac
[INFO] running `Command { std: "docker" "start" "-a" "6bd0d00e4e53ca96fe7316c4a02dc433a83d768ed8122a1cf0a06ffe568219ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd0d00e4e53ca96fe7316c4a02dc433a83d768ed8122a1cf0a06ffe568219ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd0d00e4e53ca96fe7316c4a02dc433a83d768ed8122a1cf0a06ffe568219ac", kill_on_drop: false }`
[INFO] [stdout] 6bd0d00e4e53ca96fe7316c4a02dc433a83d768ed8122a1cf0a06ffe568219ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65aadcf189568528638fb991a94e2ae384db486eebb4bd40f2871dadb716100
[INFO] running `Command { std: "docker" "start" "-a" "b65aadcf189568528638fb991a94e2ae384db486eebb4bd40f2871dadb716100", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling cargo-emit v0.1.1
[INFO] [stderr]    Compiling gio v0.14.0
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling path-slash v0.1.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling gtk v0.14.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling velcro_core v0.5.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling velcro_macros v0.5.2
[INFO] [stderr]     Checking velcro v0.5.3
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling nativeshell_build v0.1.9
[INFO] [stderr]    Compiling system-deps v3.2.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling glib-macros v0.14.1
[INFO] [stderr]    Compiling gtk3-macros v0.14.0
[INFO] [stderr]    Compiling glib-sys v0.14.0
[INFO] [stderr]    Compiling gobject-sys v0.14.0
[INFO] [stderr]    Compiling gio-sys v0.14.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.14.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.14.0
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling gdk-sys v0.14.0
[INFO] [stderr]    Compiling atk-sys v0.14.0
[INFO] [stderr]    Compiling gtk-sys v0.14.0
[INFO] [stderr]    Compiling nativeshell v0.1.9
[INFO] [stderr]    Compiling app_template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `app_template v0.1.0 (/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/app_template-a701c78802e7ac99/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr] 
[INFO] [stderr]   ** Build failed with error **
[INFO] [stderr] 
[INFO] [stderr]   Couldn't find Flutter installation. Plase make sure 'flutter' executable is in PATH or specify 'flutter_path' in FlutterOptions
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1654) panicked at build.rs:26:9:
[INFO] [stderr]   explicit panic
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x62b0c49294da - std[c6da210d58aa9d7]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x62b0c49294da - std[c6da210d58aa9d7]::backtrace_rs::backtrace::trace_unsynchronized::<std[c6da210d58aa9d7]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x62b0c49294da - std[c6da210d58aa9d7]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x62b0c49294da - <<std[c6da210d58aa9d7]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[be1c2bd9f33a0d25]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x62b0c494051a - <core[be1c2bd9f33a0d25]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x62b0c494051a - core[be1c2bd9f33a0d25]::fmt::write
[INFO] [stderr]      6:     0x62b0c492f7d2 - std[c6da210d58aa9d7]::io::default_write_fmt::<std[c6da210d58aa9d7]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x62b0c492f7d2 - <std[c6da210d58aa9d7]::sys::stdio::unix::Stderr as std[c6da210d58aa9d7]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x62b0c490884f - <std[c6da210d58aa9d7]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x62b0c490884f - std[c6da210d58aa9d7]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x62b0c49223d1 - std[c6da210d58aa9d7]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x62b0c492258b - std[c6da210d58aa9d7]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x62b0c4907e0c - std[c6da210d58aa9d7]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:762:9
[INFO] [stderr]     13:     0x62b0c48fd7d9 - std[c6da210d58aa9d7]::sys::backtrace::__rust_end_short_backtrace::<std[c6da210d58aa9d7]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x62b0c48fa870 - std[c6da210d58aa9d7]::panicking::begin_panic::<&str>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:761:5
[INFO] [stderr]     15:     0x62b0c480258f - build_script_build[9cabe74225d90540]::main
[INFO] [stderr]     16:     0x62b0c48025c3 - <fn() as core[be1c2bd9f33a0d25]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     17:     0x62b0c48022d6 - std[c6da210d58aa9d7]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     18:     0x62b0c48022e9 - std[c6da210d58aa9d7]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     19:     0x62b0c49214c4 - <&dyn core[be1c2bd9f33a0d25]::ops::function::Fn<(), Output = i32> + core[be1c2bd9f33a0d25]::panic::unwind_safe::RefUnwindSafe + core[be1c2bd9f33a0d25]::marker::Sync as core[be1c2bd9f33a0d25]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     20:     0x62b0c49214c4 - std[c6da210d58aa9d7]::panicking::catch_unwind::do_call::<&dyn core[be1c2bd9f33a0d25]::ops::function::Fn<(), Output = i32> + core[be1c2bd9f33a0d25]::panic::unwind_safe::RefUnwindSafe + core[be1c2bd9f33a0d25]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:581:40
[INFO] [stderr]     21:     0x62b0c49214c4 - std[c6da210d58aa9d7]::panicking::catch_unwind::<i32, &dyn core[be1c2bd9f33a0d25]::ops::function::Fn<(), Output = i32> + core[be1c2bd9f33a0d25]::panic::unwind_safe::RefUnwindSafe + core[be1c2bd9f33a0d25]::marker::Sync>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:544:19
[INFO] [stderr]     22:     0x62b0c49214c4 - std[c6da210d58aa9d7]::panic::catch_unwind::<&dyn core[be1c2bd9f33a0d25]::ops::function::Fn<(), Output = i32> + core[be1c2bd9f33a0d25]::panic::unwind_safe::RefUnwindSafe + core[be1c2bd9f33a0d25]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panic.rs:359:14
[INFO] [stderr]     23:     0x62b0c49214c4 - std[c6da210d58aa9d7]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/rt.rs:175:24
[INFO] [stderr]     24:     0x62b0c49214c4 - std[c6da210d58aa9d7]::panicking::catch_unwind::do_call::<std[c6da210d58aa9d7]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x62b0c49214c4 - std[c6da210d58aa9d7]::panicking::catch_unwind::<isize, std[c6da210d58aa9d7]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x62b0c49214c4 - std[c6da210d58aa9d7]::panic::catch_unwind::<std[c6da210d58aa9d7]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x62b0c49214c4 - std[c6da210d58aa9d7]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/53f0b05ecbcf011a1f77f1c627304e87ebd05801/library/std/src/rt.rs:171:5
[INFO] [stderr]     28:     0x62b0c48022c1 - std[c6da210d58aa9d7]::rt::lang_start::<()>
[INFO] [stderr]     29:     0x62b0c4802625 - main
[INFO] [stderr]     30:     0x784036d8f1ca - <unknown>
[INFO] [stderr]     31:     0x784036d8f28b - __libc_start_main
[INFO] [stderr]     32:     0x62b0c4802195 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b65aadcf189568528638fb991a94e2ae384db486eebb4bd40f2871dadb716100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65aadcf189568528638fb991a94e2ae384db486eebb4bd40f2871dadb716100", kill_on_drop: false }`
[INFO] [stdout] b65aadcf189568528638fb991a94e2ae384db486eebb4bd40f2871dadb716100
