[INFO] cloning repository https://github.com/tianlitao/ckb_count_down
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tianlitao/ckb_count_down" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftianlitao%2Fckb_count_down", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftianlitao%2Fckb_count_down'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54aa03ec3d5ea8a0a132f0e900ae77d70c8888b6
[INFO] testing tianlitao/ckb_count_down against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftianlitao%2Fckb_count_down" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tianlitao/ckb_count_down
[INFO] finished tweaking git repo https://github.com/tianlitao/ckb_count_down
[INFO] tweaked toml for git repo https://github.com/tianlitao/ckb_count_down written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tianlitao/ckb_count_down on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tianlitao/ckb_count_down 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing tianlitao/ckb_count_down against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftianlitao%2Fckb_count_down" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tianlitao/ckb_count_down
[INFO] finished tweaking git repo https://github.com/tianlitao/ckb_count_down
[INFO] tweaked toml for git repo https://github.com/tianlitao/ckb_count_down written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tianlitao/ckb_count_down on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tianlitao/ckb_count_down 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ckb-occupied-capacity-core v0.200.0
[INFO] [stderr]   Downloaded ckb-verification-traits v0.200.0
[INFO] [stderr]   Downloaded ckb-occupied-capacity v0.200.0
[INFO] [stderr]   Downloaded ckb-testtool v0.15.1
[INFO] [stderr]   Downloaded faster-hex v0.6.1
[INFO] [stderr]   Downloaded ckb-verification v0.200.0
[INFO] [stderr]   Downloaded ckb-occupied-capacity-macros v0.200.0
[INFO] [stderr]   Downloaded ckb-error v0.200.0
[INFO] [stderr]   Downloaded ckb-rational v0.200.0
[INFO] [stderr]   Downloaded golomb-coded-set v0.2.1
[INFO] [stderr]   Downloaded ckb-constant v0.200.0
[INFO] [stderr]   Downloaded ckb-chain-spec v0.200.0
[INFO] [stderr]   Downloaded ckb-x64-simulator v0.11.1
[INFO] [stderr]   Downloaded buddy-alloc v0.6.0
[INFO] [stderr]   Downloaded ckb-crypto v0.200.0
[INFO] [stderr]   Downloaded ckb-hash v0.200.0
[INFO] [stderr]   Downloaded eaglesong v0.1.0
[INFO] [stderr]   Downloaded ckb-fixed-hash v0.200.0
[INFO] [stderr]   Downloaded ckb-dao-utils v0.200.0
[INFO] [stderr]   Downloaded ckb-always-success-script v0.0.1
[INFO] [stderr]   Downloaded ckb-pow v0.200.0
[INFO] [stderr]   Downloaded ckb-dao v0.200.0
[INFO] [stderr]   Downloaded ckb-traits v0.200.0
[INFO] [stderr]   Downloaded ckb_schemars_derive v0.8.22
[INFO] [stderr]   Downloaded bitcoin-io v0.1.3
[INFO] [stderr]   Downloaded includedir v0.6.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.26.0
[INFO] [stderr]   Downloaded merkle-cbt v0.3.2
[INFO] [stderr]   Downloaded hex-conservative v0.2.1
[INFO] [stderr]   Downloaded ckb-resource v0.200.0
[INFO] [stderr]   Downloaded ckb_schemars v0.8.22
[INFO] [stderr]   Downloaded ckb-std v0.17.2
[INFO] [stderr]   Downloaded goblin v0.2.3
[INFO] [stderr]   Downloaded ckb-gen-types v0.200.0
[INFO] [stderr]   Downloaded goblin v0.4.0
[INFO] [stderr]   Downloaded secp256k1 v0.30.0
[INFO] [stderr]   Downloaded ckb-vm v0.24.13
[INFO] [stderr]   Downloaded blake2b-ref v0.3.1
[INFO] [stderr]   Downloaded ckb-types v0.200.0
[INFO] [stderr]   Downloaded numext-constructor v0.1.6
[INFO] [stderr]   Downloaded bitcoin_hashes v0.14.0
[INFO] [stderr]   Downloaded ckb-jsonrpc-types v0.200.0
[INFO] [stderr]   Downloaded ckb-systemtime v0.200.0
[INFO] [stderr]   Downloaded ckb-logger v0.200.0
[INFO] [stderr]   Downloaded ckb-fixed-hash-macros v0.200.0
[INFO] [stderr]   Downloaded ckb-merkle-mountain-range v0.5.2
[INFO] [stderr]   Downloaded molecule v0.8.0
[INFO] [stderr]   Downloaded ckb-mock-tx-types v0.200.0
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded ckb-vm-definitions v0.24.13
[INFO] [stderr]   Downloaded ckb-channel v0.200.0
[INFO] [stderr]   Downloaded blake2b-rs v0.2.0
[INFO] [stderr]   Downloaded numext-fixed-uint-core v0.1.6
[INFO] [stderr]   Downloaded numext-fixed-uint v0.1.6
[INFO] [stderr]   Downloaded includedir_codegen v0.6.0
[INFO] [stderr]   Downloaded ckb-fixed-hash-core v0.200.0
[INFO] [stderr]   Downloaded numext-fixed-uint-hack v0.1.6
[INFO] [stderr]   Downloaded tokio v1.44.2
[INFO] [stderr]   Downloaded ckb-system-scripts v0.5.4
[INFO] [stderr]   Downloaded ckb-script v0.200.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1415cb622382b25acc17dffdb7fe1684c6a101df477be1e9a7efb74caa709f97
[INFO] running `Command { std: "docker" "start" "-a" "1415cb622382b25acc17dffdb7fe1684c6a101df477be1e9a7efb74caa709f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1415cb622382b25acc17dffdb7fe1684c6a101df477be1e9a7efb74caa709f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1415cb622382b25acc17dffdb7fe1684c6a101df477be1e9a7efb74caa709f97", kill_on_drop: false }`
[INFO] [stdout] 1415cb622382b25acc17dffdb7fe1684c6a101df477be1e9a7efb74caa709f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc3bbc66c76bb7ba09b8a77d78bdffee453c75fd6ab2184a4d9b88654780999
[INFO] running `Command { std: "docker" "start" "-a" "0fc3bbc66c76bb7ba09b8a77d78bdffee453c75fd6ab2184a4d9b88654780999", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling cc v1.2.18
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling faster-hex v0.6.1
[INFO] [stderr]    Compiling ckb_schemars v0.8.22
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling blake2b-ref v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling golomb-coded-set v0.2.1
[INFO] [stderr]    Compiling ckb-merkle-mountain-range v0.5.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[INFO] [stderr]    Compiling blake2b-rs v0.2.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ckb-constant v0.200.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling ckb-channel v0.200.0
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling ckb-hash v0.200.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.3
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling includedir_codegen v0.6.0
[INFO] [stderr]    Compiling includedir v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ckb_schemars_derive v0.8.22
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.4
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling eaglesong v0.1.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling reflink-copy v0.1.26
[INFO] [stderr]    Compiling ckb-logger v0.200.0
[INFO] [stderr]    Compiling ckb-vm v0.24.13
[INFO] [stderr]    Compiling goblin v0.2.3
[INFO] [stderr]    Compiling goblin v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling secp256k1 v0.30.0
[INFO] [stderr]    Compiling derive_more v0.99.19
[INFO] [stderr]    Compiling miette v5.10.0
[INFO] [stderr]    Compiling ckb-vm-definitions v0.24.13
[INFO] [stderr]    Compiling ckb-script v0.200.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ckb-std v0.17.2
[INFO] [stderr]    Compiling lru v0.7.8
[INFO] [stderr]    Compiling buddy-alloc v0.6.0
[INFO] [stderr]    Compiling ckb-systemtime v0.200.0
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling ckb-always-success-script v0.0.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.6
[INFO] [stderr]    Compiling ckb-occupied-capacity-core v0.200.0
[INFO] [stderr]    Compiling ssri v9.2.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.200.0
[INFO] [stderr]    Compiling ckb-occupied-capacity v0.200.0
[INFO] [stderr]    Compiling ckb-error v0.200.0
[INFO] [stderr]    Compiling molecule v0.8.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling ckb-verification-traits v0.200.0
[INFO] [stderr]    Compiling ckb-fixed-hash-core v0.200.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.200.0
[INFO] [stderr]    Compiling ckb-fixed-hash v0.200.0
[INFO] [stderr]    Compiling ckb-crypto v0.200.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling cacache v13.1.0
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.6
[INFO] [stderr]    Compiling ckb-gen-types v0.200.0
[INFO] [stderr]    Compiling ckb-rational v0.200.0
[INFO] [stderr]    Compiling ckb-types v0.200.0
[INFO] [stderr]    Compiling countdown v0.1.0 (/opt/rustwide/workdir/contracts/countdown)
[INFO] [stderr]    Compiling ckb-traits v0.200.0
[INFO] [stderr]    Compiling ckb-jsonrpc-types v0.200.0
[INFO] [stderr]    Compiling ckb-pow v0.200.0
[INFO] [stderr]    Compiling ckb-dao-utils v0.200.0
[INFO] [stderr]    Compiling ckb-resource v0.200.0
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcH9OxYn/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libckb_std-9611ea98f672da28,libgcd-df1e9b5aa49a819b,libbuddy_alloc-1a9e054a7f34928d,libckb_gen_types-5b13ad82a864e645,libmolecule-33fa40d7d074734b,libbytes-0d17d24dba8803ab,libckb_hash-62922151dcbb3ef4,libblake2b_ref-77084bad5c35912c,libckb_error-1c30fc95b3bd2d6b,libanyhow-539683a760561196,libderive_more-5a2d378301c7f4a1,libnumext_fixed_uint-0f93708b4c05fb14,libnumext_fixed_uint_core-b6445c251e83ccee,libheapsize-e07160878588362f,librand-e1a4840fff1ccf44,librand_chacha-98fe990d0dd56d58,libppv_lite86-297aa4ed9a766048,libzerocopy-75d01f198c96d1d5,librand_core-8ddb79daa3050e5f,libgetrandom-8ab5d556dd795b1e,liblibc-b7b7482ca8d8c662,libcfg_if-3e7fc4e38d4a72b5,libckb_occupied_capacity-db8925fc652bcc68,libckb_occupied_capacity_core-027c76b8a538b203,libckb_fixed_hash-d41f0e1188b89489,libckb_fixed_hash_core-f54f108dc2563528,libfaster_hex-802dc543074013d1,libthiserror-6ec307e72a442344,libckb_schemars-15fc85933e1c99fb,libdyn_clone-1b6a3de955048721,libserde_json-cff893c225c08f35,libmemchr-08f38e9718637002,libitoa-ef40fa516293a9d3,libryu-a7164637bc4900ee,libserde-f9eb1d74e281b14a}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcH9OxYn/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/blake2b-rs-7750eb951e638da2/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/countdown-d3434bce92442a94" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at entry.rs:21 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ckb-std-0.17.2/src/entry.rs:21)
[INFO] [stdout]           >>>            /opt/rustwide/target/debug/deps/countdown-d3434bce92442a94.countdown.1d43ced10ee07309-cgu.0.rcgu.o:(.text._start+0x0)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `countdown` (bin "countdown") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0fc3bbc66c76bb7ba09b8a77d78bdffee453c75fd6ab2184a4d9b88654780999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc3bbc66c76bb7ba09b8a77d78bdffee453c75fd6ab2184a4d9b88654780999", kill_on_drop: false }`
[INFO] [stdout] 0fc3bbc66c76bb7ba09b8a77d78bdffee453c75fd6ab2184a4d9b88654780999
