[INFO] fetching crate cargo-unleash 1.0.0-alpha.13...
[INFO] testing cargo-unleash-1.0.0-alpha.13 against try#ddc023471205c186b40f4bf8ffb598008dbf4885 for pr-87041-1
[INFO] extracting crate cargo-unleash 1.0.0-alpha.13 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate cargo-unleash 1.0.0-alpha.13 on toolchain ddc023471205c186b40f4bf8ffb598008dbf4885
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-unleash 1.0.0-alpha.13
[INFO] finished tweaking crates.io crate cargo-unleash 1.0.0-alpha.13
[INFO] tweaked toml for crates.io crate cargo-unleash 1.0.0-alpha.13 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate crates.io crate cargo-unleash 1.0.0-alpha.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_fs v1.0.1
[INFO] [stderr]   Downloaded curl v0.4.40
[INFO] [stderr]   Downloaded globwalk v0.8.1
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded flexi_logger v0.16.3
[INFO] [stderr]   Downloaded cargo-readme v3.2.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.20
[INFO] [stderr]   Downloaded curl-sys v0.4.50+curl-7.79.1
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.5+1.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa432d23ebce306cccf1c920b937a3441400479750a41fde5ad453d314d5d96b
[INFO] running `Command { std: "docker" "start" "-a" "fa432d23ebce306cccf1c920b937a3441400479750a41fde5ad453d314d5d96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa432d23ebce306cccf1c920b937a3441400479750a41fde5ad453d314d5d96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa432d23ebce306cccf1c920b937a3441400479750a41fde5ad453d314d5d96b", kill_on_drop: false }`
[INFO] [stdout] fa432d23ebce306cccf1c920b937a3441400479750a41fde5ad453d314d5d96b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf58b5ab8c0b33f9b0e36baf40d87fb740538b946108bbea5e24f617f81287d
[INFO] running `Command { std: "docker" "start" "-a" "aaf58b5ab8c0b33f9b0e36baf40d87fb740538b946108bbea5e24f617f81287d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling curl v0.4.40
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling opener v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.5+1.42.0
[INFO] [stderr]    Compiling curl-sys v0.4.50+curl-7.79.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling ignore v0.4.17
[INFO] [stderr]    Compiling cargo v0.57.0
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling toml_edit v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling git2 v0.13.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling flexi_logger v0.16.3
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling cargo-util v0.1.1
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling crates-io v0.33.0
[INFO] [stderr]    Compiling rustfix v0.6.0
[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-0.57.0/src/cargo/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=63f86bf2c3d1ead4 -C extra-filename=-63f86bf2c3d1ead4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b05a62ad295f8562.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-e942aeb2e67a74e0.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-68ebdd8427171cad.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-e85683f45d304163.rmeta --extern cargo_util=/opt/rustwide/target/debug/deps/libcargo_util-cd7955338d9b72a5.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-d5eb05b3f12c1ae3.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-0bfc0cd4a0da9d71.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-8ed50de62563761e.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-f5071a93e742f267.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-8c43839f8fdabc95.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-f042c04977de009e.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-b5a5322da50d123f.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-a1abdc36679a4890.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-c94d7c6d5b202875.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-864660f7e6e83d98.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-d3943553b96703d7.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-0e321716ae71509d.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-a678aadba044a88e.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-9611d3333cbb4e47.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-d711bd87b6bd4e6a.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-22a0348d35e50502.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-aa4d8f089dfee5db.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-90fb2f8c539c301f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-d2ae0c144988a8f0.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b7980e4b3cd60269.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-5ba89808caa38d2e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f65a61c7426cc3ad.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-3db82c5a8ba2376a.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b8b38da15a43961d.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-f662f4a64695457f.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-b196e1663297fef1.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-de795048afd1d085.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-9d46ba8704948305.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-8aea87b151867cc9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-719aff782b3617fa.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-111a3e3491d47eb5.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9856753c54763ce8.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-71d73ed33e64fb9f.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-ae54ca7476725b82.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-bc7d61ca17fe604a.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-56b914be3d005e84.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-6a61078d9610ba74.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-15f0a79af3dd517f.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-6da279cd4f865ec2.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ca70f4dd0d5d1ebc.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-7556b71475d91ec0.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-cca34820a26a7d35.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/curl-sys-62f1ec79b01f0a66/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-bc7b35a0862d7022/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-ec6329d2d312f296/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-a5099d5b637f0af2/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "aaf58b5ab8c0b33f9b0e36baf40d87fb740538b946108bbea5e24f617f81287d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf58b5ab8c0b33f9b0e36baf40d87fb740538b946108bbea5e24f617f81287d", kill_on_drop: false }`
[INFO] [stdout] aaf58b5ab8c0b33f9b0e36baf40d87fb740538b946108bbea5e24f617f81287d