[INFO] fetching crate rust-playground-top-crates 0.1.2...
[INFO] testing rust-playground-top-crates-0.1.2 against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1
[INFO] extracting crate rust-playground-top-crates 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust-playground-top-crates 0.1.2 on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-playground-top-crates 0.1.2
[INFO] finished tweaking crates.io crate rust-playground-top-crates 0.1.2
[INFO] tweaked toml for crates.io crate rust-playground-top-crates 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rust-playground-top-crates 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2402de9c9bffe90039ac85b6f9eea8b328f1e2f9fa5781989883f43140bb1954
[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" "2402de9c9bffe90039ac85b6f9eea8b328f1e2f9fa5781989883f43140bb1954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2402de9c9bffe90039ac85b6f9eea8b328f1e2f9fa5781989883f43140bb1954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2402de9c9bffe90039ac85b6f9eea8b328f1e2f9fa5781989883f43140bb1954", kill_on_drop: false }`
[INFO] [stdout] 2402de9c9bffe90039ac85b6f9eea8b328f1e2f9fa5781989883f43140bb1954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9234e88838deed6f8246ed64030283a1e5086c42cd789f53255a7d793c8b5cf
[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" "c9234e88838deed6f8246ed64030283a1e5086c42cd789f53255a7d793c8b5cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling curl v0.4.40
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling opener v0.5.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.1
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling curl-sys v0.4.50+curl-7.79.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling cargo v0.57.0
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling h2 v0.3.7
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling cargo-util v0.1.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling git2 v0.13.23
[INFO] [stderr]    Compiling hyper v0.14.14
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling reqwest v0.11.6
[INFO] [stderr]    Compiling rustfix v0.6.0
[INFO] [stderr]    Compiling crates-io v0.33.0
[INFO] [stderr]    Compiling rust-playground-top-crates v0.1.2 (/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-0.57.0/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=ffb0564c258e2c13 -C extra-filename=-ffb0564c258e2c13 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b13849b6101a8a36.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-154b1ab39f29b4e8.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-0d39c671901b3e54.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-5d864c869affa203.rmeta --extern cargo_util=/opt/rustwide/target/debug/deps/libcargo_util-93e33461d46f9c20.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-053e145e17446757.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-eef777e76d2082ca.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-c48a12501a6794e4.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-74c912a78091f27a.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-325cf34760ce1f7a.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-6f00580c5f1c69bc.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-f51c4d24d42b9a71.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-1a4be0c243f6cff6.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-0c3b1a3eee7f3744.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-3bd1d8dc87c61d2f.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-d3943553b96703d7.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-df8306afd9dee15d.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-a678aadba044a88e.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-69fede984985242f.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-55821fb7aec59b6d.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-7ee85fc30f15824c.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9ade512e5033c232.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-83e5192fcf907c98.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-8c0b0c2149eecc9d.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-18ec25d8c25e2621.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-41607b4997ff699e.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e6bbee201eb478c9.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-f58efe109b9782ba.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-caa0166ccfdbe178.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-772db4815aa2983a.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-931be3bc2b6708c8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5716c86b8e49130d.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-d887778a167b3c48.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-63111aaadf74161f.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-099f6b74ec2d564a.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-05120360ea3593f6.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-1eee229804509f9f.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-6a61078d9610ba74.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-62019cb878cbaa93.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-e91030079211fd3f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-aa4d4578ed122e2d.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-85c3caa7668e091f.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/curl-sys-fc6c04ed8de0164b/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-eabb415567ae38d0/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-0ff19205ab0c13e3/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-2c4148a7ab4e2dac/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c9234e88838deed6f8246ed64030283a1e5086c42cd789f53255a7d793c8b5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9234e88838deed6f8246ed64030283a1e5086c42cd789f53255a7d793c8b5cf", kill_on_drop: false }`
[INFO] [stdout] c9234e88838deed6f8246ed64030283a1e5086c42cd789f53255a7d793c8b5cf