[INFO] cloning repository https://github.com/syhpoon/learnfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syhpoon/learnfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyhpoon%2Flearnfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyhpoon%2Flearnfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1904f1ba8cebb7c747afe978793ea792e125297b
[INFO] building syhpoon/learnfs against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyhpoon%2Flearnfs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syhpoon/learnfs on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/syhpoon/learnfs
[INFO] finished tweaking git repo https://github.com/syhpoon/learnfs
[INFO] tweaked toml for git repo https://github.com/syhpoon/learnfs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/syhpoon/learnfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 039c8a07f4e17c6ea3203f6e8c27c95478f8751381ce729d35de51b399cd4635
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "039c8a07f4e17c6ea3203f6e8c27c95478f8751381ce729d35de51b399cd4635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "039c8a07f4e17c6ea3203f6e8c27c95478f8751381ce729d35de51b399cd4635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039c8a07f4e17c6ea3203f6e8c27c95478f8751381ce729d35de51b399cd4635", kill_on_drop: false }`
[INFO] [stdout] 039c8a07f4e17c6ea3203f6e8c27c95478f8751381ce729d35de51b399cd4635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b84398d211100d79198e9160fb053cf1471db97eef8fb81c3e25645a4c1a69b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b84398d211100d79198e9160fb053cf1471db97eef8fb81c3e25645a4c1a69b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling tower-service v0.3.0-alpha.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling tower-layer v0.3.0-alpha.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling smallvec v0.6.12
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]    Compiling arc-swap v0.4.3
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.7
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling flate2 v1.0.12
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling signal-hook v0.1.11
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling http-body v0.2.0-alpha.3
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling async-stream-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.17
[INFO] [stderr]    Compiling async-stream v0.1.2
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling pin-project v0.4.5
[INFO] [stderr]    Compiling tower-discover v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-util v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-load-shed v0.3.0-alpha.2
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling tracing v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.2.0-alpha.6
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-codec v0.2.0-alpha.6
[INFO] [stderr]    Compiling tower-make v0.3.0-alpha.2a
[INFO] [stderr]    Compiling tonic-build v0.1.0-alpha.5
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling h2 v0.2.0-alpha.3
[INFO] [stderr]    Compiling learnfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.6
[INFO] [stderr]    Compiling tokio-net v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-fs v0.2.0-alpha.6
[INFO] [stderr]    Compiling tower-buffer v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-retry v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-timeout v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-load v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-limit v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-balance v0.3.0-alpha.2
[INFO] [stderr]    Compiling tokio v0.2.0-alpha.6
[INFO] [stderr]    Compiling hyper v0.13.0-alpha.4
[INFO] [stderr] error: failed to run custom build command for `learnfs v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/learnfs-9007b5ef04a53500/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   out: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "error: 'rustfmt' is not installed for the toolchain '881c1ac408d93bb7adaa3a51dabab9266e82eee8'\nnote: this is a custom toolchain, which cannot use `rustup component add`\nhelp: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`\n" }
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: out.status.success()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-alpha.5/src/lib.rs:214:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5617cfdc3c70 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5617cfdc3c70 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5617cfdc3c70 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5617cfdc3c70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5617cfde352f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x5617cfdc1165 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x5617cfdc615b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5617cfdc615b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5617cfdc615b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5617cfdc5c3d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5617cfdc6730 - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:595:17
[INFO] [stderr]     11:     0x5617cfdc62d7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x5617cfdc412c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5617cfdc6269 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5617cfb2f801 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5617cfb2f74d - core::panicking::panic::h3de4db67bd397eb3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x5617cfb61d77 - tonic_build::fmt::h8b2bc868d9f07ae6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-alpha.5/src/lib.rs:214:9
[INFO] [stderr]     17:     0x5617cfb46ef7 - tonic_build::Builder::compile::h85b6ce30d4da4613
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-alpha.5/src/lib.rs:158:17
[INFO] [stderr]     18:     0x5617cfb46686 - tonic_build::compile_protos::hfd4c969ce4c2d170
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-alpha.5/src/lib.rs:193:5
[INFO] [stderr]     19:     0x5617cfb446a8 - build_script_build::main::h10d684c825bc8d62
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:26:5
[INFO] [stderr]     20:     0x5617cfb40a1b - core::ops::function::FnOnce::call_once::h20a16fe9b7da8c28
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x5617cfb4706e - std::sys_common::backtrace::__rust_begin_short_backtrace::h22dea71376587220
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     22:     0x5617cfb43ca1 - std::rt::lang_start::{{closure}}::h400321da61593347
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:49:18
[INFO] [stderr]     23:     0x5617cfdc6c0a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x5617cfdc6c0a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:379:40
[INFO] [stderr]     25:     0x5617cfdc6c0a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:343:19
[INFO] [stderr]     26:     0x5617cfdc6c0a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panic.rs:431:14
[INFO] [stderr]     27:     0x5617cfdc6c0a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:34:21
[INFO] [stderr]     28:     0x5617cfb43c80 - std::rt::lang_start::h4ff23b2497ffbf80
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:48:5
[INFO] [stderr]     29:     0x5617cfb4479c - main
[INFO] [stderr]     30:     0x7f5a1baff0b3 - __libc_start_main
[INFO] [stderr]     31:     0x5617cfb2ff3e - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1b84398d211100d79198e9160fb053cf1471db97eef8fb81c3e25645a4c1a69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b84398d211100d79198e9160fb053cf1471db97eef8fb81c3e25645a4c1a69b", kill_on_drop: false }`
[INFO] [stdout] 1b84398d211100d79198e9160fb053cf1471db97eef8fb81c3e25645a4c1a69b
