[INFO] fetching crate some_blockchain 0.1.0...
[INFO] testing some_blockchain-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate some_blockchain 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate some_blockchain 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate some_blockchain 0.1.0
[INFO] finished tweaking crates.io crate some_blockchain 0.1.0
[INFO] tweaked toml for crates.io crate some_blockchain 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0b9892e5df1b49a65b84f740f96842bd3275cf2edc8175c9d4f425520b47cc4
[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" "f0b9892e5df1b49a65b84f740f96842bd3275cf2edc8175c9d4f425520b47cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b9892e5df1b49a65b84f740f96842bd3275cf2edc8175c9d4f425520b47cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b9892e5df1b49a65b84f740f96842bd3275cf2edc8175c9d4f425520b47cc4", kill_on_drop: false }`
[INFO] [stdout] f0b9892e5df1b49a65b84f740f96842bd3275cf2edc8175c9d4f425520b47cc4
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98fc2dc2c77b8ad84a9d112e9756b4100dc850ba7baae903ce661adb3276aa4d
[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" "98fc2dc2c77b8ad84a9d112e9756b4100dc850ba7baae903ce661adb3276aa4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling some_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.64s
[INFO] running `Command { std: "docker" "inspect" "98fc2dc2c77b8ad84a9d112e9756b4100dc850ba7baae903ce661adb3276aa4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fc2dc2c77b8ad84a9d112e9756b4100dc850ba7baae903ce661adb3276aa4d", kill_on_drop: false }`
[INFO] [stdout] 98fc2dc2c77b8ad84a9d112e9756b4100dc850ba7baae903ce661adb3276aa4d
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc9e60cbe6f314625a56e7710a74a9efb3d715058ace3e152db2645cea65f68
[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" "0fc9e60cbe6f314625a56e7710a74a9efb3d715058ace3e152db2645cea65f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling some_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "0fc9e60cbe6f314625a56e7710a74a9efb3d715058ace3e152db2645cea65f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc9e60cbe6f314625a56e7710a74a9efb3d715058ace3e152db2645cea65f68", kill_on_drop: false }`
[INFO] [stdout] 0fc9e60cbe6f314625a56e7710a74a9efb3d715058ace3e152db2645cea65f68
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07a42bd75fe1a4adba303ce90b50a55a4e75b17ae460855a23a85c60274af18a
[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" "07a42bd75fe1a4adba303ce90b50a55a4e75b17ae460855a23a85c60274af18a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/some_blockchain-9160cee9b9c0d1bf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] [
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 0,
[INFO] [stdout]     "Timestamp": "2021-12-02 23:44:34.745541223 UTC",
[INFO] [stdout]     "Data": [],
[INFO] [stdout]     "Hash": "",
[INFO] [stdout]     "PrevHash": ""
[INFO] [stdout]   },
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 1,
[INFO] [stdout]     "Timestamp": "2021-12-02 23:44:34.745590126 UTC",
[INFO] [stdout]     "Data": [72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 32, 33],
[INFO] [stdout]     "Hash": "05d6ac5e7d7152551aabdb785c17a531b6d8c6cad7edfdf259b434f18ed2c1a0",
[INFO] [stdout]     "PrevHash": ""
[INFO] [stdout]   },
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 2,
[INFO] [stdout]     "Timestamp": "2021-12-02 23:44:34.745884548 UTC",
[INFO] [stdout]     "Data": [71, 111, 111, 100, 98, 121, 101, 32, 33],
[INFO] [stdout]     "Hash": "0f7b285e64aaa6c7fe4ca3ce688a10a2b3b48cb8f6cacc592d9546cba8325aca",
[INFO] [stdout]     "PrevHash": "05d6ac5e7d7152551aabdb785c17a531b6d8c6cad7edfdf259b434f18ed2c1a0"
[INFO] [stdout]   }
[INFO] [stdout] ]
[INFO] [stderr]    Doc-tests some_blockchain
[INFO] [stdout] test test::display ... ok
[INFO] [stdout] test test::hashes ... ok
[INFO] [stdout] test test::validation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07a42bd75fe1a4adba303ce90b50a55a4e75b17ae460855a23a85c60274af18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a42bd75fe1a4adba303ce90b50a55a4e75b17ae460855a23a85c60274af18a", kill_on_drop: false }`
[INFO] [stdout] 07a42bd75fe1a4adba303ce90b50a55a4e75b17ae460855a23a85c60274af18a