[INFO] cloning repository https://github.com/gnunicorn/cargo-unleash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnunicorn/cargo-unleash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fcargo-unleash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fcargo-unleash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 550db6ae7f6195183aca544e65be3575b2102e81
[INFO] testing gnunicorn/cargo-unleash against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fcargo-unleash" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnunicorn/cargo-unleash 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 git repo https://github.com/gnunicorn/cargo-unleash
[INFO] finished tweaking git repo https://github.com/gnunicorn/cargo-unleash
[INFO] tweaked toml for git repo https://github.com/gnunicorn/cargo-unleash written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/gnunicorn/cargo-unleash 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]     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 git2-curl v0.14.1
[INFO] [stderr]   Downloaded cargo-readme v3.2.0
[INFO] [stderr]   Downloaded serde_ignored v0.1.1
[INFO] [stderr]   Downloaded rustfix v0.5.0
[INFO] [stderr]   Downloaded flexi_logger v0.16.1
[INFO] [stderr]   Downloaded cargo v0.48.0
[INFO] [stderr]   Downloaded ignore v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d91425e6f6c90e5ad2ebd0d4a4c5e4f60499ebeb7fe5c0d6815fcfe599976ec4
[INFO] running `Command { std: "docker" "start" "-a" "d91425e6f6c90e5ad2ebd0d4a4c5e4f60499ebeb7fe5c0d6815fcfe599976ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d91425e6f6c90e5ad2ebd0d4a4c5e4f60499ebeb7fe5c0d6815fcfe599976ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91425e6f6c90e5ad2ebd0d4a4c5e4f60499ebeb7fe5c0d6815fcfe599976ec4", kill_on_drop: false }`
[INFO] [stdout] d91425e6f6c90e5ad2ebd0d4a4c5e4f60499ebeb7fe5c0d6815fcfe599976ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 126b037398268cf15d3a8c35fee5187a7f447d815b11c3220443c0472872d08c
[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" "126b037398268cf15d3a8c35fee5187a7f447d815b11c3220443c0472872d08c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling humantime v2.0.0
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling bitmaps v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cargo v0.48.0
[INFO] [stderr]    Compiling ignore v0.4.12
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling toml_edit v0.2.0
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling flexi_logger v0.16.1
[INFO] [stderr]    Compiling git2 v0.13.12
[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling serde_ignored v0.1.1
[INFO] [stderr]    Compiling crates-io v0.31.1
[INFO] [stderr]    Compiling rustfix v0.5.0
[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-0.48.0/src/cargo/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=28b0bf506256d7d8 -C extra-filename=-28b0bf506256d7d8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ec6159185ea93633.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-bb867430156298bd.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-2430940bbeb631cc.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-1c6243a4cdb22c7f.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-4627a1a4d26595db.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-9ca970caaa9b1096.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-9927338b5ed04e03.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-857c14acd42c838f.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-aa4ed0a76c145be6.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-4f835da74278b264.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-51b8888994273f88.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-eb36b68e80193f70.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-60f0a32a8a1c7029.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-d57f587d063e446b.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-318a6c535942b5c0.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-d8b420ac9421e35f.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-7c9b74590d6c4b78.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-ae4be1c4135ed5c4.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-1174dc73ad06a46b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-13e71b09752696d8.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-daffcee0a8e7580d.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-6a1c4155ab8a2d6d.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-44af996e67daa692.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-bb23920ec89494b5.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-4ed8e82c5e117efe.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-87f150a935a90ce6.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-8bd8ac94a4a06b38.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-16f93bd389e13c8e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-014aaf60fb27a3a7.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-cf99eb62cdb8c961.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0a67bcacd10455ae.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-333c4b1c34ea257a.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-6d5e383879b2df15.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-4868c59a845cb4d0.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-e2e104b46954f53f.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-10443558f0cae77f.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-bc852b6d4a7c916c.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-79b8b0ff3a77c502.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-2c63d0a7aa5a6ce8.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-654cc4668682634e.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-2b532b016f3b1a02/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-060aa5a5d436ed75/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-3f17adb245fdb123/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-3359c954953da699/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "126b037398268cf15d3a8c35fee5187a7f447d815b11c3220443c0472872d08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126b037398268cf15d3a8c35fee5187a7f447d815b11c3220443c0472872d08c", kill_on_drop: false }`
[INFO] [stdout] 126b037398268cf15d3a8c35fee5187a7f447d815b11c3220443c0472872d08c