[INFO] fetching crate grebedb 1.0.0...
[INFO] testing grebedb-1.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate grebedb 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grebedb 1.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grebedb 1.0.0
[INFO] finished tweaking crates.io crate grebedb 1.0.0
[INFO] tweaked toml for crates.io crate grebedb 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate grebedb 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]   Downloaded relative-path v1.4.0
[INFO] [stderr]   Downloaded data-encoding v2.3.2
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded zstd v0.8.3+zstd.1.5.0
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded fslock v0.1.6
[INFO] [stderr]   Downloaded statrs v0.14.0
[INFO] [stderr]   Downloaded vfs v0.5.1
[INFO] [stderr]   Downloaded zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr]   Downloaded rmp-serde v0.15.4
[INFO] [stderr]   Downloaded nalgebra v0.26.2
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded simba v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded strkey v0.1.0
[INFO] [stderr]   Downloaded crc32c v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f61069b9ad904194bc7a767e9774d78cfb920e388ab309abe1afda13d569fe9
[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" "7f61069b9ad904194bc7a767e9774d78cfb920e388ab309abe1afda13d569fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f61069b9ad904194bc7a767e9774d78cfb920e388ab309abe1afda13d569fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f61069b9ad904194bc7a767e9774d78cfb920e388ab309abe1afda13d569fe9", kill_on_drop: false }`
[INFO] [stdout] 7f61069b9ad904194bc7a767e9774d78cfb920e388ab309abe1afda13d569fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 049bf9416af0c417b008d444401d0f1e98f01b25cb6e9f52ae6b46ccae220d80
[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" "049bf9416af0c417b008d444401d0f1e98f01b25cb6e9f52ae6b46ccae220d80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling relative-path v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling crc32c v0.6.0
[INFO] [stderr]    Compiling fslock v0.1.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling vfs v0.5.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling rmp-serde v0.15.4
[INFO] [stderr]    Compiling zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]    Compiling zstd v0.8.3+zstd.1.5.0
[INFO] [stderr]    Compiling grebedb v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "049bf9416af0c417b008d444401d0f1e98f01b25cb6e9f52ae6b46ccae220d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049bf9416af0c417b008d444401d0f1e98f01b25cb6e9f52ae6b46ccae220d80", kill_on_drop: false }`
[INFO] [stdout] 049bf9416af0c417b008d444401d0f1e98f01b25cb6e9f52ae6b46ccae220d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 714d282597497ca35784d27c3b16c838d8d0a87613196c6a3c41855a35195be7
[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" "714d282597497ca35784d27c3b16c838d8d0a87613196c6a3c41855a35195be7", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling strkey v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling nalgebra v0.26.2
[INFO] [stderr]    Compiling statrs v0.14.0
[INFO] [stderr]    Compiling grebedb v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `grebedb`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name random_operations --edition=2018 tests/random_operations.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="compression"' --cfg 'feature="default"' --cfg 'feature="file_locking"' --cfg 'feature="fslock"' --cfg 'feature="system"' --cfg 'feature="zstd"' -C metadata=2eed62c4c431fc55 -C extra-filename=-2eed62c4c431fc55 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-cecfca1474748564.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-812e5e494e4a5f0f.rlib --extern crc32c=/opt/rustwide/target/debug/deps/libcrc32c-0a205796ab902688.rlib --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-e6ac5c40d28f0158.rlib --extern fslock=/opt/rustwide/target/debug/deps/libfslock-7d40843276780ea5.rlib --extern grebedb=/opt/rustwide/target/debug/deps/libgrebedb-1967274ad0d9b0c3.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-183bc5edf4dbc97c.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-e38a6a68334ba7ca.so --extern rand=/opt/rustwide/target/debug/deps/librand-1ce6113419e7f189.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-810022322a3edcc0.rlib --extern relative_path=/opt/rustwide/target/debug/deps/librelative_path-52a13a40ec6e1b47.rlib --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-5e7f49b49d9dee9f.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5a042df705dd4467.rlib --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-9efa973a55d852ae.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2c5e9cff220d7f35.rlib --extern statrs=/opt/rustwide/target/debug/deps/libstatrs-3c783b09d90549f9.rlib --extern strkey=/opt/rustwide/target/debug/deps/libstrkey-4fc11afa47e2517b.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-ea22f7561eab013c.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-a767d9668f463fe5.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-1589af4d8dc95fea.rlib --extern vfs=/opt/rustwide/target/debug/deps/libvfs-379d2b3c1316c289.rlib --extern zstd=/opt/rustwide/target/debug/deps/libzstd-2fd0ead1db270516.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/zstd-sys-48e9436905f0bf10/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "714d282597497ca35784d27c3b16c838d8d0a87613196c6a3c41855a35195be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714d282597497ca35784d27c3b16c838d8d0a87613196c6a3c41855a35195be7", kill_on_drop: false }`
[INFO] [stdout] 714d282597497ca35784d27c3b16c838d8d0a87613196c6a3c41855a35195be7