[INFO] cloning repository https://github.com/iqlusioninc/synchronicity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iqlusioninc/synchronicity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiqlusioninc%2Fsynchronicity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiqlusioninc%2Fsynchronicity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a84ccdc462116204ffca02bfb5097ae83fcdfe8
[INFO] checking iqlusioninc/synchronicity against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiqlusioninc%2Fsynchronicity" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iqlusioninc/synchronicity on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iqlusioninc/synchronicity
[INFO] finished tweaking git repo https://github.com/iqlusioninc/synchronicity
[INFO] tweaked toml for git repo https://github.com/iqlusioninc/synchronicity written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/iqlusioninc/synchronicity already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/iqlusioninc/libra.git`
[INFO] [stderr]     Updating git repository `https://github.com/calibra/curve25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/calibra/ed25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/calibra/x25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/pingcap/rust-rocksdb.git`
[INFO] [stderr]     Updating git submodule `https://github.com/pingcap/rocksdb.git`
[INFO] [stderr]     Updating git submodule `https://github.com/pingcap/titan.git`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/bzip2-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/busyjay/lz4-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/lz4/lz4.git`
[INFO] [stderr]     Updating git repository `https://github.com/busyjay/rust-snappy.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/snappy.git`
[INFO] [stderr]     Updating git repository `https://github.com/gyscos/zstd-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/facebook/zstd`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bech32 v0.6.0
[INFO] [stderr]   Downloaded tokio-retry v0.2.0
[INFO] [stderr]   Downloaded parity-multihash v0.1.3
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[INFO] [stderr]   Downloaded radix_trie v0.1.6
[INFO] [stderr]   Downloaded parity-multiaddr v0.5.0
[INFO] [stderr]   Downloaded rand04 v0.1.1
[INFO] [stderr]   Downloaded codespan-reporting v0.2.1
[INFO] [stderr]   Downloaded pairing v0.14.2
[INFO] [stderr]   Downloaded generational-arena v0.2.6
[INFO] [stderr]   Downloaded grpcio-compiler v0.5.0-alpha.6
[INFO] [stderr]   Downloaded codespan v0.2.1
[INFO] [stderr]   Downloaded mirai-annotations v1.5.0
[INFO] [stderr]   Downloaded hkd32 v0.3.1
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded termion v1.5.4
[INFO] [stderr]   Downloaded ttl_cache v0.4.2
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[INFO] [stderr]   Downloaded abscissa_core v0.5.1
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[INFO] [stderr]   Downloaded grpcio v0.5.0-alpha.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00e94ecce350ee84a6c746aae89161baf0ebcfbd76b51586de04a7c5decbca58
[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" "00e94ecce350ee84a6c746aae89161baf0ebcfbd76b51586de04a7c5decbca58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e94ecce350ee84a6c746aae89161baf0ebcfbd76b51586de04a7c5decbca58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e94ecce350ee84a6c746aae89161baf0ebcfbd76b51586de04a7c5decbca58", kill_on_drop: false }`
[INFO] [stdout] 00e94ecce350ee84a6c746aae89161baf0ebcfbd76b51586de04a7c5decbca58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0e0d5cd81ac6c4143e8d172be7e124912b8ea10ee9a0e9ea09becfc9c48181
[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" "9c0e0d5cd81ac6c4143e8d172be7e124912b8ea10ee9a0e9ea09becfc9c48181", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking either v1.5.3
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[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
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[INFO] [stderr]    Compiling rand_core v0.4.2
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[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling memsec v0.5.6
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling spin v0.5.2
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[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling bindgen v0.51.1
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[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking unsigned-varint v0.2.3
[INFO] [stderr]    Compiling libra-metrics v0.1.0 (https://github.com/iqlusioninc/libra.git?branch=synchro#bccdfb30)
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking bit-vec v0.6.1
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[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.6.1
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[INFO] [stderr]    Compiling ident_case v1.0.1
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[INFO] [stderr]     Checking numtoa v0.1.0
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[INFO] [stderr]     Checking itertools v0.8.2
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[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling nom v4.2.3
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[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
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[INFO] [stderr]     Checking tracing-log v0.1.1
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[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]     Checking regex-automata v0.1.8
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[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling generic-array v0.12.3
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[INFO] [stderr]    Compiling quote v0.6.13
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[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.11.1
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[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking errno v0.2.4
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[INFO] [stderr]     Checking get_if_addrs v0.5.3
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[INFO] [stderr]    Compiling jobserver v0.1.17
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[INFO] [stderr]     Checking crc v1.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
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[INFO] [stderr]     Checking slog-scope v4.3.0
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[INFO] [stderr]    Compiling digest v0.8.1
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[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]     Checking pairing v0.14.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking libra-tools v0.1.0 (https://github.com/iqlusioninc/libra.git?branch=synchro#bccdfb30)
[INFO] [stderr]     Checking backoff v0.1.5
[INFO] [stderr]     Checking rand04_compat v0.1.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking parity-multihash v0.1.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4 (https://github.com/gyscos/zstd-rs.git#e3e8452c)
[INFO] [stderr]    Compiling lz4-sys v1.8.3 (https://github.com/busyjay/lz4-rs.git?branch=adjust-build#5a8afe40)
[INFO] [stderr]    Compiling bzip2-sys v0.1.7 (https://github.com/alexcrichton/bzip2-rs.git#96cc4909)
[INFO] [stderr]    Compiling snappy-sys v0.1.0 (https://github.com/busyjay/rust-snappy.git?branch=static-link#8c12738b)
[INFO] [stderr]    Compiling libtitan_sys v0.0.1 (https://github.com/pingcap/rust-rocksdb.git?rev=3cd18c44d160a3cdba586d6502d51b7cc67efc59#3cd18c44)
[INFO] [stderr]    Compiling librocksdb_sys v0.1.0 (https://github.com/pingcap/rust-rocksdb.git?rev=3cd18c44d160a3cdba586d6502d51b7cc67efc59#3cd18c44)
[INFO] [stderr]     Checking vm-cache-map v0.1.0 (https://github.com/iqlusioninc/libra.git?branch=synchro#bccdfb30)
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3 (https://github.com/calibra/curve25519-dalek.git?branch=fiat#caa6b902)
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking x25519-dalek v0.5.2 (https://github.com/calibra/x25519-dalek.git?branch=fiat#8d5b6301)
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling libra-crypto-derive v0.1.0 (https://github.com/iqlusioninc/libra.git?branch=synchro#bccdfb30)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking subtle-encoding v0.5.0
[INFO] [stderr]    Compiling grpcio-sys v0.5.0-alpha.5
[INFO] [stderr]     Checking hkd32 v0.3.1
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=c775f74dca5a71ed -C extra-filename=-c775f74dca5a71ed --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fb6057bda9401306.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-13a9ab497cead8c2.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-e01cc2b2c12755af.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (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" "9c0e0d5cd81ac6c4143e8d172be7e124912b8ea10ee9a0e9ea09becfc9c48181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0e0d5cd81ac6c4143e8d172be7e124912b8ea10ee9a0e9ea09becfc9c48181", kill_on_drop: false }`
[INFO] [stdout] 9c0e0d5cd81ac6c4143e8d172be7e124912b8ea10ee9a0e9ea09becfc9c48181