[INFO] updating cached repository https://github.com/syhpoon/learnfs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1904f1ba8cebb7c747afe978793ea792e125297b
[INFO] checking syhpoon/learnfs against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyhpoon%2Flearnfs" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syhpoon/learnfs on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/syhpoon/learnfs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74a81847c1d68db9fa19934df463f636c91bddc4e74400fa8edf8400e2525d80
[INFO] running `"docker" "start" "-a" "74a81847c1d68db9fa19934df463f636c91bddc4e74400fa8edf8400e2525d80"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking tower-layer v0.3.0-alpha.2
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking string v0.2.1
[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 tempfile v3.1.0
[INFO] [stderr]     Checking http-body v0.2.0-alpha.3
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types 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]     Checking async-stream v0.1.2
[INFO] [stderr]     Checking pin-project v0.4.5
[INFO] [stderr]     Checking tower-discover v0.3.0-alpha.2
[INFO] [stderr]     Checking tower-load-shed v0.3.0-alpha.2
[INFO] [stderr]     Checking tower-util v0.3.0-alpha.2
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tower-make v0.3.0-alpha.2a
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tower-buffer v0.3.0-alpha.2
[INFO] [stderr]    Compiling tonic-build v0.1.0-alpha.5
[INFO] [stderr]     Checking tower-timeout v0.3.0-alpha.2
[INFO] [stderr]     Checking tower-retry v0.3.0-alpha.2
[INFO] [stderr]     Checking tower-load v0.3.0-alpha.2
[INFO] [stderr]     Checking tower-limit v0.3.0-alpha.2
[INFO] [stderr]     Checking tower v0.3.0-alpha.2
[INFO] [stderr]     Checking tower-balance v0.3.0-alpha.2
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]    Compiling learnfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking 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-e5e6beaec379b745/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] out: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "error: \'rustfmt\' is not installed for the toolchain \'209b2be09fcaff937480d1fbbe8b31646e361c7a\'\nTo install, run `rustup component add rustfmt --toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a`\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:     0x55ce5a0520d4 - backtrace::backtrace::libunwind::trace::h9e598fcb10d5c4f5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55ce5a0520d4 - backtrace::backtrace::trace_unsynchronized::hbfbd58fbb4a2603e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ce5a0520d4 - std::sys_common::backtrace::_print_fmt::hacb596a8013761df
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55ce5a0520d4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha1ba73c9085723eb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55ce5a07780c - core::fmt::write::hb4ac1e8a8c800611
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55ce5a04efb3 - std::io::Write::write_fmt::ha413e6029f4d499f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x55ce5a054e45 - std::sys_common::backtrace::_print::h5afa8b3832cd03b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55ce5a054e45 - std::sys_common::backtrace::print::h49229e3486b70f83
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55ce5a054e45 - std::panicking::default_hook::{{closure}}::hcfefd5f4943f3aa9
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55ce5a054b82 - std::panicking::default_hook::h4c2b6d8d034c53de
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55ce5a055525 - std::panicking::rust_panic_with_hook::hf8cee70c0118d2cc
[INFO] [stderr]                                at src/libstd/panicking.rs:515
[INFO] [stderr]   11:     0x55ce5a01bad1 - std::panicking::begin_panic::hdfdd65785109ad3e
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/panicking.rs:438
[INFO] [stderr]   12:     0x55ce59d75acc - tonic_build::fmt::ha4287bbf31844def
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-alpha.5/src/lib.rs:214
[INFO] [stderr]   13:     0x55ce59d52df8 - tonic_build::Builder::compile::hcc00d83567b387c0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-alpha.5/src/lib.rs:158
[INFO] [stderr]   14:     0x55ce59d5276a - tonic_build::compile_protos::ha37ab7a581dc50c0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-alpha.5/src/lib.rs:193
[INFO] [stderr]   15:     0x55ce59d51c30 - build_script_build::main::hd9265e0610d3312a
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:26
[INFO] [stderr]   16:     0x55ce59d5108b - std::rt::lang_start::{{closure}}::h00bd164655083388
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55ce5a055968 - std::rt::lang_start_internal::{{closure}}::h4c4631d379953dd0
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55ce5a055968 - std::panicking::try::do_call::hc26b3db2421dedbb
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x55ce5a055968 - std::panicking::try::h4da6835c8705b8a7
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55ce5a055968 - std::panic::catch_unwind::h02aff520273fa6b1
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55ce5a055968 - std::rt::lang_start_internal::he0572ca212cb5ef4
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55ce59d51067 - std::rt::lang_start::h1ff39b247352f174
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55ce59d51d2a - main
[INFO] [stderr]   24:     0x7f6dd8163b97 - __libc_start_main
[INFO] [stderr]   25:     0x55ce59d340aa - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "74a81847c1d68db9fa19934df463f636c91bddc4e74400fa8edf8400e2525d80"`
[INFO] running `"docker" "rm" "-f" "74a81847c1d68db9fa19934df463f636c91bddc4e74400fa8edf8400e2525d80"`
[INFO] [stdout] 74a81847c1d68db9fa19934df463f636c91bddc4e74400fa8edf8400e2525d80
