[INFO] fetching crate mx-tester 0.4.0-pre1...
[INFO] testing mx-tester-0.4.0-pre1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate mx-tester 0.4.0-pre1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mx-tester 0.4.0-pre1
[INFO] finished tweaking crates.io crate mx-tester 0.4.0-pre1
[INFO] tweaked toml for crates.io crate mx-tester 0.4.0-pre1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mx-tester 0.4.0-pre1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mx-tester 0.4.0-pre1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0059fe2547921f4206b6d154fe659059b4cdac809d285e3097f0a99fd93c4dcc
[INFO] running `Command { std: "docker" "start" "-a" "0059fe2547921f4206b6d154fe659059b4cdac809d285e3097f0a99fd93c4dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0059fe2547921f4206b6d154fe659059b4cdac809d285e3097f0a99fd93c4dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0059fe2547921f4206b6d154fe659059b4cdac809d285e3097f0a99fd93c4dcc", kill_on_drop: false }`
[INFO] [stdout] 0059fe2547921f4206b6d154fe659059b4cdac809d285e3097f0a99fd93c4dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1347eeee093cb05bc082632b0c625dd72245dff1937f78e2e78f1db0f928d151
[INFO] running `Command { std: "docker" "start" "-a" "1347eeee093cb05bc082632b0c625dd72245dff1937f78e2e78f1db0f928d151", kill_on_drop: false }`
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[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling rustls-native-certs v0.6.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling filetime v0.2.16
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap_lex v0.2.2
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling nix v0.25.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling comma v1.0.0
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki-roots v0.22.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling pkcs8 v0.7.6
[INFO] [stderr]    Compiling chacha20 v0.8.1
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]    Compiling chacha20poly1305 v0.9.0
[INFO] [stderr]    Compiling jwalk v0.6.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.8.1
[INFO] [stderr]    Compiling ebacktrace v0.5.1
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling dircpy v0.3.10
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr] error: could not compile `sled` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name sled --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sled-0.34.7/src/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 --cfg 'feature="default"' --cfg 'feature="no_metrics"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("backtrace", "color-backtrace", "compression", "default", "docs", "event_log", "failpoints", "io_uring", "lock_free_delays", "measure_allocs", "miri_optimizations", "mutex", "no_inline", "no_logs", "no_metrics", "pretty_backtrace", "rio", "testing", "zstd"))' -C metadata=d57b4d3c34450848 -C extra-filename=-e8b21d070b28e37a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crc32fast=/opt/rustwide/target/debug/deps/libcrc32fast-ca333a60acf43309.rmeta --extern crossbeam_epoch=/opt/rustwide/target/debug/deps/libcrossbeam_epoch-8bb7af3136889df9.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-66ed90847c2fd003.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-e35309b8c702e7dd.rmeta --extern fxhash=/opt/rustwide/target/debug/deps/libfxhash-f21355a7b231d901.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-22819cc3e84ef724.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-71cb35b2e1527aae.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-e42c413be3fd6dec.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1347eeee093cb05bc082632b0c625dd72245dff1937f78e2e78f1db0f928d151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1347eeee093cb05bc082632b0c625dd72245dff1937f78e2e78f1db0f928d151", kill_on_drop: false }`
[INFO] [stdout] 1347eeee093cb05bc082632b0c625dd72245dff1937f78e2e78f1db0f928d151