[INFO] cloning repository https://github.com/CAD97/string-interner-comparison
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CAD97/string-interner-comparison" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Fstring-interner-comparison", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Fstring-interner-comparison'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9338ac4f5eee34ba513d43bd3141da3cbddeec6
[INFO] testing CAD97/string-interner-comparison against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Fstring-interner-comparison" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CAD97/string-interner-comparison on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CAD97/string-interner-comparison
[INFO] finished tweaking git repo https://github.com/CAD97/string-interner-comparison
[INFO] tweaked toml for git repo https://github.com/CAD97/string-interner-comparison written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/CAD97/string-interner-comparison already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/CAD97/strena.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/CAD97/strena.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff0356e4b9750e7473668fb3d643a0ee87495611d108acac76da4a613a47a803
[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" "ff0356e4b9750e7473668fb3d643a0ee87495611d108acac76da4a613a47a803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff0356e4b9750e7473668fb3d643a0ee87495611d108acac76da4a613a47a803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0356e4b9750e7473668fb3d643a0ee87495611d108acac76da4a613a47a803", kill_on_drop: false }`
[INFO] [stdout] ff0356e4b9750e7473668fb3d643a0ee87495611d108acac76da4a613a47a803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8da637e172602fbd3fe54258ca2789ddbd44de8beac8c76d11499787450f2d5
[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" "e8da637e172602fbd3fe54258ca2789ddbd44de8beac8c76d11499787450f2d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling drawille v0.2.3
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling lalrpop-intern v0.15.1
[INFO] [stderr]    Compiling intaglio v1.1.1
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling strena v0.0.0 (https://github.com/CAD97/strena.git?rev=1ddbf48b9f639ffbb4c89b0d51cb005fc0e3a4f7#1ddbf48b)
[INFO] [stderr]    Compiling lasso v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling textplots v0.5.3
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling parse-display-derive v0.1.2
[INFO] [stderr]    Compiling parity-wordlist v1.3.1
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling string-interner v0.11.3
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling rustfix v0.5.1
[INFO] [stderr]    Compiling argh v0.1.3
[INFO] [stderr]    Compiling parse-display v0.1.2
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling crates-io v0.31.1
[INFO] [stderr]    Compiling git2 v0.13.12
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling cargo v0.45.1
[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-0.45.1/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=c28bcfe7a055c09d -C extra-filename=-c28bcfe7a055c09d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d8d730d7aac6bd8d.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-3552710980297a7c.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-631fb3ceab824b31.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-7555298874ce8706.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-4fd30721bd7ee8fc.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-c3a4badc68f4e053.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-e2b4380138eb068e.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-196be4d64e829eb2.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-406f40f00e3144f2.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-083d35be3009e8c5.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-087d4c4a18d18868.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-172c4b8b199bfc0f.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-f52f9ee2f6a1c097.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-cf7cd72cba727627.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-6bd9b703bb932233.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-adc7f0b4f88aa34d.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-8630b2f5676c133f.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-fb68b2fa09410bcf.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-1237719b48138c77.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-413753a40219cddb.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-87f1a0ac7b311a75.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-e1b9203c8ea021d4.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-b9c5af3c39153e73.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e52aab25f5d90c7e.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-96f82e7abea176cb.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-51760c8d9f0a0b95.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-8df1994bb164e7a2.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ee50cb23f73f2339.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-06a942b4cae80a0e.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-52a6b1f15fa5dd80.rmeta --extern remove_dir_all=/opt/rustwide/target/debug/deps/libremove_dir_all-1d2e0389ae5079c6.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-ae7944b232e26380.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-80a89511dd0b0285.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-af3a4c01f774075c.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-5dede06cb88e0f35.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f24e0868c7c2e080.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-6b011507174d4d6d.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5e4215e3407482fb.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-331144b933d38929.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-224fd191afbf6183.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-ddbf60a4ede667b7.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-5377665975e5df17.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-5143a25e61d9bfa5.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-b66f960328ff26ac.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-205a394572a8e7c4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b888af50774a486c.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-72401367c0af1c08.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-8ef38a0e4b10736f.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/curl-sys-f59d79ebe933cc2e/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-8d19bb093bcda0b0/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-dbde597d59f7b9bd/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-0b904e972e60f860/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e8da637e172602fbd3fe54258ca2789ddbd44de8beac8c76d11499787450f2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8da637e172602fbd3fe54258ca2789ddbd44de8beac8c76d11499787450f2d5", kill_on_drop: false }`
[INFO] [stdout] e8da637e172602fbd3fe54258ca2789ddbd44de8beac8c76d11499787450f2d5
