[INFO] fetching crate json-surf 0.5.0...
[INFO] testing json-surf-0.5.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate json-surf 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate json-surf 0.5.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-surf 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate json-surf 0.5.0
[INFO] tweaked toml for crates.io crate json-surf 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate json-surf 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b7ca6349c2c73ee1f644c394baa101421733680c08f3739ea676f351a5cf4d
[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" "28b7ca6349c2c73ee1f644c394baa101421733680c08f3739ea676f351a5cf4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b7ca6349c2c73ee1f644c394baa101421733680c08f3739ea676f351a5cf4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b7ca6349c2c73ee1f644c394baa101421733680c08f3739ea676f351a5cf4d", kill_on_drop: false }`
[INFO] [stdout] 28b7ca6349c2c73ee1f644c394baa101421733680c08f3739ea676f351a5cf4d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 542c53255a5f81539dd63753edb0e47431798d348558fd8de225c4b896a22dce
[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" "542c53255a5f81539dd63753edb0e47431798d348558fd8de225c4b896a22dce", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling snap v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling census v0.4.0
[INFO] [stderr]    Compiling unidecode v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling owned-read v0.4.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling fst v0.3.5
[INFO] [stderr]    Compiling murmurhash32 v0.2.0
[INFO] [stderr]    Compiling bitpacking v0.8.2
[INFO] [stderr]    Compiling combine v4.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling inotify v0.7.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling fail v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling levenshtein_automata v0.1.1
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling tantivy-fst v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling atomicwrites v0.2.5
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pin-project-internal v0.4.14
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tantivy-query-grammar v0.12.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling pin-project v0.4.14
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling symspell v0.4.1
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling tantivy v0.12.0
[INFO] [stderr]    Compiling json-surf v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "542c53255a5f81539dd63753edb0e47431798d348558fd8de225c4b896a22dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542c53255a5f81539dd63753edb0e47431798d348558fd8de225c4b896a22dce", kill_on_drop: false }`
[INFO] [stdout] 542c53255a5f81539dd63753edb0e47431798d348558fd8de225c4b896a22dce
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a94ca0506336cdd1e442317385fc26f9fdd68911f557093f3ea6889727fe445e
[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" "a94ca0506336cdd1e442317385fc26f9fdd68911f557093f3ea6889727fe445e", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-surf v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `json-surf`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name json_surf --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=7df231dd924feddf -C extra-filename=-7df231dd924feddf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-81b9ecf4e71436a0.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-7614d9dbbfc5d1b9.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d3c4da55bb0eed08.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-9daffe221fe7060d.rlib --extern serde_value=/opt/rustwide/target/debug/deps/libserde_value-3f72b865a888fd3b.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4d01c05cb5714339.rlib --extern symspell=/opt/rustwide/target/debug/deps/libsymspell-c8fc5efb4585729b.rlib --extern tantivy=/opt/rustwide/target/debug/deps/libtantivy-3e253928e033c565.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-d448883a6e42f4e4/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" "a94ca0506336cdd1e442317385fc26f9fdd68911f557093f3ea6889727fe445e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94ca0506336cdd1e442317385fc26f9fdd68911f557093f3ea6889727fe445e", kill_on_drop: false }`
[INFO] [stdout] a94ca0506336cdd1e442317385fc26f9fdd68911f557093f3ea6889727fe445e