[INFO] crate cargo 0.37.0 is already in cache
[INFO] extracting crate cargo 0.37.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/cargo/0.37.0
[INFO] extracting crate cargo 0.37.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cargo/0.37.0
[INFO] validating manifest of cargo-0.37.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cargo-0.37.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cargo-0.37.0
[INFO] finished frobbing cargo-0.37.0
[INFO] frobbed toml for cargo-0.37.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cargo/0.37.0/Cargo.toml
[INFO] started frobbing cargo-0.37.0
[INFO] finished frobbing cargo-0.37.0
[INFO] frobbed toml for cargo-0.37.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cargo/0.37.0/Cargo.toml
[INFO] crate cargo-0.37.0 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cargo-0.37.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo/0.37.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d636c685924b0b733500a7389e12d35af6372a7c3e51862f68e8aec56dd0ae93
[INFO] running `"docker" "start" "-a" "d636c685924b0b733500a7389e12d35af6372a7c3e51862f68e8aec56dd0ae93"`
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling opener v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling filetime v0.2.6
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling jobserver v0.1.13
[INFO] [stderr]    Compiling bstr v0.1.4
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling crypto-hash v0.3.3
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ignore v0.4.7
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]    Compiling rustfix v0.4.5
[INFO] [stderr]    Compiling crates-io v0.25.0
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling git2-curl v0.9.0
[INFO] [stderr]    Compiling cargo v0.37.0 (/opt/crater/workdir)
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]   --> src/cargo/core/compiler/build_context/mod.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct BuildContext<'a, 'cfg: 'a> {
[INFO] [stderr]    |                                 ^^^^ help: remove this bound
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/cargo/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![warn(rust_2018_idioms)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: #[warn(explicit_outlives_requirements)] implied by #[warn(rust_2018_idioms)]
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]   --> src/cargo/core/compiler/context/mod.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Context<'a, 'cfg: 'a> {
[INFO] [stderr]    |                            ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]   --> src/cargo/core/compiler/context/unit_dependencies.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stderr]    |                ^^^^^^      ^^^^
[INFO] [stderr] help: remove these bounds
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct State<'a, 'cfg, 'tmp> {
[INFO] [stderr]    |               --    --
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]   --> src/cargo/core/compiler/context/compilation_files.rs:53:37
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct CompilationFiles<'a, 'cfg: 'a> {
[INFO] [stderr]    |                                     ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/cargo/core/package.rs:293:30
[INFO] [stderr]     |
[INFO] [stderr] 293 | pub struct Downloads<'a, 'cfg: 'a> {
[INFO] [stderr]     |                              ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/cargo/core/resolver/encode.rs:328:37
[INFO] [stderr]     |
[INFO] [stderr] 328 | pub struct WorkspaceResolve<'a, 'cfg: 'a> {
[INFO] [stderr]     |                                     ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/cargo/core/workspace.rs:128:28
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub struct Members<'a, 'cfg: 'a> {
[INFO] [stderr]     |                            ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 24s
[INFO] running `"docker" "inspect" "d636c685924b0b733500a7389e12d35af6372a7c3e51862f68e8aec56dd0ae93"`
[INFO] running `"docker" "rm" "-f" "d636c685924b0b733500a7389e12d35af6372a7c3e51862f68e8aec56dd0ae93"`
[INFO] [stdout] d636c685924b0b733500a7389e12d35af6372a7c3e51862f68e8aec56dd0ae93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo/0.37.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3bf194910958e44bec03feb57a4b86563600c402784ed9f6ef322eebccb4e27
[INFO] running `"docker" "start" "-a" "b3bf194910958e44bec03feb57a4b86563600c402784ed9f6ef322eebccb4e27"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.4
[INFO] [stderr]    Compiling cargo v0.37.0 (/opt/crater/workdir)
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]   --> src/cargo/core/compiler/build_context/mod.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct BuildContext<'a, 'cfg: 'a> {
[INFO] [stderr]    |                                 ^^^^ help: remove this bound
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/cargo/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: #[warn(explicit_outlives_requirements)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]   --> src/cargo/core/compiler/context/mod.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Context<'a, 'cfg: 'a> {
[INFO] [stderr]    |                            ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]   --> src/cargo/core/compiler/context/unit_dependencies.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stderr]    |                ^^^^^^      ^^^^
[INFO] [stderr] help: remove these bounds
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct State<'a, 'cfg, 'tmp> {
[INFO] [stderr]    |               --    --
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]   --> src/cargo/core/compiler/context/compilation_files.rs:53:37
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct CompilationFiles<'a, 'cfg: 'a> {
[INFO] [stderr]    |                                     ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/cargo/core/package.rs:293:30
[INFO] [stderr]     |
[INFO] [stderr] 293 | pub struct Downloads<'a, 'cfg: 'a> {
[INFO] [stderr]     |                              ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/cargo/core/resolver/encode.rs:328:37
[INFO] [stderr]     |
[INFO] [stderr] 328 | pub struct WorkspaceResolve<'a, 'cfg: 'a> {
[INFO] [stderr]     |                                     ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/cargo/core/workspace.rs:128:28
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub struct Members<'a, 'cfg: 'a> {
[INFO] [stderr]     |                            ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cargo`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name testsuite tests/testsuite/main.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=3c066b4824716ddb -C extra-filename=-3c066b4824716ddb --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern atty=/opt/crater/target/debug/deps/libatty-2eb95e70d6fa73cb.rlib --extern bufstream=/opt/crater/target/debug/deps/libbufstream-90f08392bcb1814c.rlib --extern byteorder=/opt/crater/target/debug/deps/libbyteorder-585fd2581aa01382.rlib --extern bytesize=/opt/crater/target/debug/deps/libbytesize-95c25ff6214e0b99.rlib --extern cargo=/opt/crater/target/debug/deps/libcargo-8c037f6d137d63a7.rlib --extern clap=/opt/crater/target/debug/deps/libclap-577ac0503638b9b1.rlib --extern crates_io=/opt/crater/target/debug/deps/libcrates_io-cb582de3ad9f8953.rlib --extern crossbeam_utils=/opt/crater/target/debug/deps/libcrossbeam_utils-8a91b1d181d95ea1.rlib --extern crypto_hash=/opt/crater/target/debug/deps/libcrypto_hash-f4d520abdc3b60e4.rlib --extern curl=/opt/crater/target/debug/deps/libcurl-4d1230e5e0447036.rlib --extern curl_sys=/opt/crater/target/debug/deps/libcurl_sys-c6625a459b995100.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-95bc91f34f250e57.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-5c6226fc3d8f3d3b.rlib --extern filetime=/opt/crater/target/debug/deps/libfiletime-105a046ab444dbaf.rlib --extern flate2=/opt/crater/target/debug/deps/libflate2-cb5bfea62567f5ac.rlib --extern fs2=/opt/crater/target/debug/deps/libfs2-81bf7bcd942a6b9b.rlib --extern git2=/opt/crater/target/debug/deps/libgit2-a4e4701547a58b04.rlib --extern git2_curl=/opt/crater/target/debug/deps/libgit2_curl-77f48dd6fe14102a.rlib --extern glob=/opt/crater/target/debug/deps/libglob-b5997fb6016faac1.rlib --extern hex=/opt/crater/target/debug/deps/libhex-979204dee82ccb65.rlib --extern home=/opt/crater/target/debug/deps/libhome-46c6aa379997487f.rlib --extern ignore=/opt/crater/target/debug/deps/libignore-bc172c2acce93bbf.rlib --extern im_rc=/opt/crater/target/debug/deps/libim_rc-de75f140d1fbecfb.rlib --extern jobserver=/opt/crater/target/debug/deps/libjobserver-f07bd155ae999bc1.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern lazycell=/opt/crater/target/debug/deps/liblazycell-74fda01493a9cfe5.rlib --extern libc=/opt/crater/target/debug/deps/liblibc-043f3149f69cd97c.rlib --extern libgit2_sys=/opt/crater/target/debug/deps/liblibgit2_sys-f9b74eff77312c5f.rlib --extern log=/opt/crater/target/debug/deps/liblog-4b4828b905ce4e9d.rlib --extern memchr=/opt/crater/target/debug/deps/libmemchr-35486fb9300d41ed.rlib --extern num_cpus=/opt/crater/target/debug/deps/libnum_cpus-3d703f8fabd1dfc2.rlib --extern opener=/opt/crater/target/debug/deps/libopener-05516185b332ee28.rlib --extern proptest=/opt/crater/target/debug/deps/libproptest-5afcc636369873d3.rlib --extern rustc_workspace_hack=/opt/crater/target/debug/deps/librustc_workspace_hack-f345ad237e38819c.rlib --extern rustfix=/opt/crater/target/debug/deps/librustfix-3c77d35266ce677f.rlib --extern same_file=/opt/crater/target/debug/deps/libsame_file-7108c93e74d76350.rlib --extern semver=/opt/crater/target/debug/deps/libsemver-e6e31b7048bf2619.rlib --extern serde=/opt/crater/target/debug/deps/libserde-757767f25f517839.rlib --extern serde_ignored=/opt/crater/target/debug/deps/libserde_ignored-192abbe83ba9d47b.rlib --extern serde_json=/opt/crater/target/debug/deps/libserde_json-b087191e04b85903.rlib --extern shell_escape=/opt/crater/target/debug/deps/libshell_escape-1d9647855422d4fb.rlib --extern tar=/opt/crater/target/debug/deps/libtar-c2fc63a18cfdd114.rlib --extern tempfile=/opt/crater/target/debug/deps/libtempfile-0b064e6591c6f8e1.rlib --extern termcolor=/opt/crater/target/debug/deps/libtermcolor-63bd51856c425668.rlib --extern toml=/opt/crater/target/debug/deps/libtoml-8bd648a5ba516e38.rlib --extern unicode_width=/opt/crater/target/debug/deps/libunicode_width-854b98bbb65b7690.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern url_serde=/opt/crater/target/debug/deps/liburl_serde-4927327ee2e10fb6.rlib --extern walkdir=/opt/crater/target/debug/deps/libwalkdir-4ef0482f23948a10.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/curl-sys-cd37cd4568ff486f/out/build -L native=/opt/crater/target/debug/build/libnghttp2-sys-e93a187308eff35f/out/i/lib -L native=/usr/lib/x86_64-linux-gnu -L native=/opt/crater/target/debug/build/backtrace-sys-618c11d67bae81ae/out -L native=/opt/crater/target/debug/build/miniz-sys-322840196440ed89/out -L native=/opt/crater/target/debug/build/libgit2-sys-6cf688af3eb9b3d2/out/build -L native=/opt/crater/target/debug/build/libssh2-sys-93191dd3c7ffc0d9/out/build` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b3bf194910958e44bec03feb57a4b86563600c402784ed9f6ef322eebccb4e27"`
[INFO] running `"docker" "rm" "-f" "b3bf194910958e44bec03feb57a4b86563600c402784ed9f6ef322eebccb4e27"`
[INFO] [stdout] b3bf194910958e44bec03feb57a4b86563600c402784ed9f6ef322eebccb4e27