[INFO] cloning repository https://github.com/vorner/cargo-depdiff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vorner/cargo-depdiff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fcargo-depdiff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fcargo-depdiff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37b23f588f9010310376dd6062f58fb2528678d2
[INFO] testing vorner/cargo-depdiff against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvorner%2Fcargo-depdiff" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vorner/cargo-depdiff on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vorner/cargo-depdiff
[INFO] finished tweaking git repo https://github.com/vorner/cargo-depdiff
[INFO] tweaked toml for git repo https://github.com/vorner/cargo-depdiff written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vorner/cargo-depdiff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a99b8377fcd54e8e1d20cffd7530462ddb05e31cd5c380214621e41cd692f56
[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" "3a99b8377fcd54e8e1d20cffd7530462ddb05e31cd5c380214621e41cd692f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a99b8377fcd54e8e1d20cffd7530462ddb05e31cd5c380214621e41cd692f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a99b8377fcd54e8e1d20cffd7530462ddb05e31cd5c380214621e41cd692f56", kill_on_drop: false }`
[INFO] [stdout] 3a99b8377fcd54e8e1d20cffd7530462ddb05e31cd5c380214621e41cd692f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] da2d8f9e4df938c7aabc074c61c63fc0f20a73f94c7d7535bb7ea7403bb05522
[INFO] running `Command { std: "docker" "start" "-a" "da2d8f9e4df938c7aabc074c61c63fc0f20a73f94c7d7535bb7ea7403bb05522", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[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 walkdir v2.3.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tar v0.4.32
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling idna v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling sized-chunks v0.6.3
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling ignore v0.4.17
[INFO] [stderr]    Compiling cargo v0.51.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling git2 v0.13.17
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling cargo-lock v6.0.1
[INFO] [stderr]    Compiling rustfix v0.5.1
[INFO] [stderr]    Compiling crates-io v0.31.1
[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-0.51.0/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=26e4ffef7d60684c -C extra-filename=-26e4ffef7d60684c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b9c9ba3210894b18.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-9e9cd8299280a616.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-fa0e8d83c45127fb.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-78eb311599612b66.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-990e8807ea633fa3.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-62f42879e5480852.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-b1e48b03eeb77bf7.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-56104c0c0fea20b8.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-71bedd96d81c39c1.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-76b14e0af750fc7a.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-86cb18555ec8e1ed.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-4d4ced2162f44a16.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-b618c176ece72625.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-0742e86a1b3588c1.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-9a067553ce1f45c5.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-367c240206242d35.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-c121cad26503200e.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-f0fe712025818389.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-2d575097e7169ff0.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-f9818e020fcfa523.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-9f61a175c26e5a9d.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-dc64603176f8949c.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-415c7f8c579dbe87.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-69dc732db5b17c26.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-3591dbc683cf0eeb.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-062ec20cca67060d.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e7268561e64e0c3d.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-8bfff615c5bc3c6b.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-e9fb15ac8640ce50.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-98a88b5b53b82a03.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-e87ae39134e8c624.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-3fcff63dac0b2008.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-363d9c9b6ab85ccc.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-451b3f6a798d6a73.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b00edbe7048aa5f7.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-f2e03a7f133671f5.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d0454b678922ae1e.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-21bb666711049a9a.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-6f014dd01246451b.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-4da8cd19207de0a0.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-ca05416bde51192d.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-48569ba71e859b79.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-946c35546da46ac9.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-58fa4f49044d3e0e.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-accda8c4d770d472.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-e20281c811078757.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-6419938b93314fa0.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/curl-sys-8c73aa88f46a6c0e/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-37a0327e3358d1d7/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-9a2dfe4d4b5fcd08/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-2173fd3b43659bbf/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "da2d8f9e4df938c7aabc074c61c63fc0f20a73f94c7d7535bb7ea7403bb05522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2d8f9e4df938c7aabc074c61c63fc0f20a73f94c7d7535bb7ea7403bb05522", kill_on_drop: false }`
[INFO] [stdout] da2d8f9e4df938c7aabc074c61c63fc0f20a73f94c7d7535bb7ea7403bb05522