[INFO] cloning repository https://github.com/EwanValentine/capuchin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EwanValentine/capuchin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEwanValentine%2Fcapuchin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEwanValentine%2Fcapuchin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c708c2a14a4edbe5ffe9f0e7d737ce34188aaf9
[INFO] checking EwanValentine/capuchin against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEwanValentine%2Fcapuchin" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EwanValentine/capuchin on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EwanValentine/capuchin
[INFO] finished tweaking git repo https://github.com/EwanValentine/capuchin
[INFO] tweaked toml for git repo https://github.com/EwanValentine/capuchin written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/EwanValentine/capuchin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bbf6d372d79b1a5ded5acb8490742d225cc9ae0d8a8462e91a5e2ee9dd0b143f
[INFO] running `Command { std: "docker" "start" "-a" "bbf6d372d79b1a5ded5acb8490742d225cc9ae0d8a8462e91a5e2ee9dd0b143f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf6d372d79b1a5ded5acb8490742d225cc9ae0d8a8462e91a5e2ee9dd0b143f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf6d372d79b1a5ded5acb8490742d225cc9ae0d8a8462e91a5e2ee9dd0b143f", kill_on_drop: false }`
[INFO] [stdout] bbf6d372d79b1a5ded5acb8490742d225cc9ae0d8a8462e91a5e2ee9dd0b143f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f433a7770dfb2a3e878c551dcf5f4721a552bdc618dfb597d314b47f1edc0af
[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" "7f433a7770dfb2a3e878c551dcf5f4721a552bdc618dfb597d314b47f1edc0af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
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[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
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[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.13
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[INFO] [stderr]    Compiling rusoto_core v0.45.0
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[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs v1.0.5
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[INFO] [stderr]     Checking dirs-sys-next v0.1.0
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[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking parquet-format v2.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling protobuf-codegen v2.16.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling protoc-rust v2.16.2
[INFO] [stderr]    Compiling grpc-compiler v0.8.1
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]    Compiling protoc-rust-grpc v0.8.1
[INFO] [stderr]    Compiling capuchin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `capuchin v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/capuchin-58565c38704672bf/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc-rust-grpc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:7:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56390ff9a290 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x56390ff9a290 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56390ff9a290 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56390ff9a290 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56390ffbfa0c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x56390ff97462 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x56390ff9c865 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56390ff9c865 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56390ff9c865 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56390ff9c508 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x56390ff9cfa1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x56390ff9cae7 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x56390ff9a72c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56390ff9ca49 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x56390ffbd971 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56390ffbd793 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x56390fcb757f - core::result::Result<T,E>::expect::hdf021c85b3c7f06d
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x56390fcb72f4 - build_script_build::main::hf5175c8a5b880dc6
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:2:5
[INFO] [stderr]     18:     0x56390fcb765b - core::ops::function::FnOnce::call_once::h89177da69b03b0a6
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x56390fcb75be - std::sys_common::backtrace::__rust_begin_short_backtrace::h040eca0c4f1b7921
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x56390fcb7211 - std::rt::lang_start::{{closure}}::h473ba199c95466f8
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x56390ff9d3c7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x56390ff9d3c7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x56390ff9d3c7 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x56390ff9d3c7 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x56390ff9d3c7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x56390fcb71e7 - std::rt::lang_start::hfd6dc30d76c22549
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x56390fcb736a - main
[INFO] [stderr]     28:     0x7f4e32bbe0b3 - __libc_start_main
[INFO] [stderr]     29:     0x56390fcb70de - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7f433a7770dfb2a3e878c551dcf5f4721a552bdc618dfb597d314b47f1edc0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f433a7770dfb2a3e878c551dcf5f4721a552bdc618dfb597d314b47f1edc0af", kill_on_drop: false }`
[INFO] [stdout] 7f433a7770dfb2a3e878c551dcf5f4721a552bdc618dfb597d314b47f1edc0af