[INFO] fetching crate cargo-c 0.6.18+cargo-0.49...
[INFO] testing cargo-c-0.6.18+cargo-0.49 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate cargo-c 0.6.18+cargo-0.49 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cargo-c 0.6.18+cargo-0.49 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-c 0.6.18+cargo-0.49
[INFO] finished tweaking crates.io crate cargo-c 0.6.18+cargo-0.49
[INFO] tweaked toml for crates.io crate cargo-c 0.6.18+cargo-0.49 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate cargo-c 0.6.18+cargo-0.49 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cbindgen v0.15.0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 881768713aa6d48bfee7906c5839dd7af8dc6fba46a086da9eeb2cd37175cbb2
[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" "881768713aa6d48bfee7906c5839dd7af8dc6fba46a086da9eeb2cd37175cbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881768713aa6d48bfee7906c5839dd7af8dc6fba46a086da9eeb2cd37175cbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881768713aa6d48bfee7906c5839dd7af8dc6fba46a086da9eeb2cd37175cbb2", kill_on_drop: false }`
[INFO] [stdout] 881768713aa6d48bfee7906c5839dd7af8dc6fba46a086da9eeb2cd37175cbb2
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758df48a061bc82465883c625b9f3961dfa81c021c9506cb8e5efa512c67baee
[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" "758df48a061bc82465883c625b9f3961dfa81c021c9506cb8e5efa512c67baee", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cbindgen v0.15.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling cargo v0.49.0
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling git2 v0.13.12
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling crates-io v0.31.1
[INFO] [stderr]    Compiling rustfix v0.5.1
[INFO] [stderr]    Compiling cargo-c v0.6.18+cargo-0.49 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `cargo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cargo --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.49.0/src/cargo/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=79863a3796bdeae6 -C extra-filename=-79863a3796bdeae6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-328154719a6679f8.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-4587d0037f22dcfd.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-2c527f298043c703.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-4709ceae42967dcb.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-af8389e3ef341a09.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-7c52a5b695ed54a5.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-c4739fd117d2736a.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-d2bc45ac09e89406.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-3f28c5d3f3a54e8b.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-d0887e761eaa46d4.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ea77b008f0c5754d.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-4e3e0b714b7037be.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-5287b6a2af12d274.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-ba766566c5f5fc97.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-567e8678c0ada2fb.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-c57da5286c7fae6e.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-b6ec6c90c4a1629b.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-cb1c069a942ea31d.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-599e02cfcf7809d4.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-e5ff0b69a90ff087.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-419e7b3809f30785.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-dfa250beddd91211.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-81a10648255a0414.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0404512d2b87f3e5.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-b0631da4dcd7e86c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4bf1047162af990b.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-b9c9c711d3caf825.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-bb666f69eaff1084.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-db0827d86dd0db60.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-bae4c6d884296e4c.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-4b6c39c795ca9e98.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-68dd17c6b63e4d9f.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-8bd8ac94a4a06b38.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-2e877e62236db321.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-817dada97a9771b5.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-c70520db40980eab.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-984fad8bb013dd98.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-d41eee6bb3ba54d6.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-6d5e383879b2df15.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-ffbbb525d31eb7e1.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-e4d90d600f241372.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-f6ed5f361b03f1ec.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-d9325b623aa67c3b.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-85f6c02835e49e35.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-083414e3434d8e82.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-1b40833742162787.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-5a6ad040f0c41c30.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/curl-sys-308cd2741e3f0366/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-a0a4959c2aa44241/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-f060e4cffd245e29/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-19495dbfba9053ee/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "758df48a061bc82465883c625b9f3961dfa81c021c9506cb8e5efa512c67baee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758df48a061bc82465883c625b9f3961dfa81c021c9506cb8e5efa512c67baee", kill_on_drop: false }`
[INFO] [stdout] 758df48a061bc82465883c625b9f3961dfa81c021c9506cb8e5efa512c67baee