[INFO] cloning repository https://github.com/shockham/cuo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shockham/cuo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcuo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcuo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e73f120531b574d9a5c30a238f75d5f449889c1c
[INFO] testing shockham/cuo against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fcuo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shockham/cuo on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shockham/cuo
[INFO] finished tweaking git repo https://github.com/shockham/cuo
[INFO] tweaked toml for git repo https://github.com/shockham/cuo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shockham/cuo 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded git2-curl v0.11.0
[INFO] [stderr]   Downloaded rustfix v0.4.6
[INFO] [stderr]   Downloaded crates-io v0.28.0
[INFO] [stderr]   Downloaded sized-chunks v0.3.1
[INFO] [stderr]   Downloaded im-rc v13.0.0
[INFO] [stderr]   Downloaded cargo v0.40.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41e8d29ecab6f36f15fcaf5978e3360f3dbb0bc8878a9ac28f48b7b9da30755
[INFO] running `Command { std: "docker" "start" "-a" "e41e8d29ecab6f36f15fcaf5978e3360f3dbb0bc8878a9ac28f48b7b9da30755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41e8d29ecab6f36f15fcaf5978e3360f3dbb0bc8878a9ac28f48b7b9da30755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41e8d29ecab6f36f15fcaf5978e3360f3dbb0bc8878a9ac28f48b7b9da30755", kill_on_drop: false }`
[INFO] [stdout] e41e8d29ecab6f36f15fcaf5978e3360f3dbb0bc8878a9ac28f48b7b9da30755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a5254f380987c7c2dba5c83c9332d54841867c9e808c99e497f424d7a15df73
[INFO] running `Command { std: "docker" "start" "-a" "4a5254f380987c7c2dba5c83c9332d54841867c9e808c99e497f424d7a15df73", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling sized-chunks v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling im-rc v13.0.0
[INFO] [stderr]    Compiling crates-io v0.28.0
[INFO] [stderr]    Compiling rustfix v0.4.6
[INFO] [stderr]    Compiling git2 v0.10.2
[INFO] [stderr]    Compiling git2-curl v0.11.0
[INFO] [stderr]    Compiling cargo v0.40.0
[INFO] [stderr] error: could not compile `cargo` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/61223975d46f794466efa832bc7562b9707ecc46/bin/rustc --crate-name cargo --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cargo-0.40.0/src/cargo/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b9e0bbaa9967da82 -C extra-filename=-b9e0bbaa9967da82 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-0dfc2cbfc2757943.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-2472ff15a2808c5a.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-a436c26b95bc74a6.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-768e446067255947.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-4cc926056a3aeb38.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-df00578e6d935be8.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-3daa653608e97065.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-a75742e0296cd50d.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-7429da90bdb8383b.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-2d5cd67aab3a5404.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-5255641dbe87fbbf.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-8655616726df51e1.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-4f4c1c69fd5a387e.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-03b96c3af0f714d7.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-024fc8af2a3ce86f.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-e9e06eed9bc5ee26.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-718b4f18bb2e7953.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-e995276dff243cc5.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-abc60364234bd452.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-d610ede278169835.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-88220acb34e9e6cf.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-8e2d68d6bc2775e0.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b82c15677deef9e2.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-c2a1b2911705803e.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b55612e55e8029b0.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-0b53f55861113360.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2af006f81cb814a9.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-7aca7bbfa6232ac8.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-98bdc3dc608ab675.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-4a6c671e80726de9.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-cd7356c23e34a112.rmeta --extern remove_dir_all=/opt/rustwide/target/debug/deps/libremove_dir_all-bfc75ec09beed3e1.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-f800f60b48765c2d.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-489fe256d8aac9a2.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-bb2433c6426284ba.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-cacfb8d5821546cc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1179bb9595c9ace3.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-6d90b1b0c7a731c9.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-55a8bbfd3e6e9106.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-57a304be1ab82177.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-adf21885c187d91b.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-b32a4b55f67bfd84.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-f997869732999f68.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-75e8a229f3cc7d11.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-52b1fd757b75301e.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-997a05f5201c0054.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-543cf47f5d6c86f6.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-deebb8807ff2dc0b.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3 -L native=/usr/lib/x86_64-linux-gnu -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-a953f35f56da1d7a/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-b269d4f067e74d06/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-f36d9850b530d05c/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4a5254f380987c7c2dba5c83c9332d54841867c9e808c99e497f424d7a15df73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5254f380987c7c2dba5c83c9332d54841867c9e808c99e497f424d7a15df73", kill_on_drop: false }`
[INFO] [stdout] 4a5254f380987c7c2dba5c83c9332d54841867c9e808c99e497f424d7a15df73