[INFO] cloning repository https://github.com/prince2115/blockchain-project-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prince2115/blockchain-project-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince2115%2Fblockchain-project-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince2115%2Fblockchain-project-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78f72c55c2e2c5f3fd5bfa1816a7a1d16f649963
[INFO] testing prince2115/blockchain-project-rust against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince2115%2Fblockchain-project-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prince2115/blockchain-project-rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prince2115/blockchain-project-rust
[INFO] finished tweaking git repo https://github.com/prince2115/blockchain-project-rust
[INFO] tweaked toml for git repo https://github.com/prince2115/blockchain-project-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/prince2115/blockchain-project-rust 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-husky v1.5.0
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded castaway v0.1.1
[INFO] [stderr]   Downloaded curl v0.4.39
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] [stderr]   Downloaded predicates v2.0.3
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.68
[INFO] [stderr]   Downloaded curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]   Downloaded isahc v1.5.1
[INFO] [stderr]   Downloaded ethbloom v0.9.2
[INFO] [stderr]   Downloaded ethereum-types v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c905a0b9ccfa5a21a8de36a2e2b053aeb9e3c9868160edafe4a945b232d93ce
[INFO] running `Command { std: "docker" "start" "-a" "5c905a0b9ccfa5a21a8de36a2e2b053aeb9e3c9868160edafe4a945b232d93ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c905a0b9ccfa5a21a8de36a2e2b053aeb9e3c9868160edafe4a945b232d93ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c905a0b9ccfa5a21a8de36a2e2b053aeb9e3c9868160edafe4a945b232d93ce", kill_on_drop: false }`
[INFO] [stdout] 5c905a0b9ccfa5a21a8de36a2e2b053aeb9e3c9868160edafe4a945b232d93ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccffb91dc704029e26c6bc9f62876f67a306b9d611db6c773a047e366075c6e6
[INFO] running `Command { std: "docker" "start" "-a" "ccffb91dc704029e26c6bc9f62876f67a306b9d611db6c773a047e366075c6e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.68
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling fixed-hash v0.6.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling curl v0.4.39
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling isahc v1.5.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling castaway v0.1.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling dotenv_codegen_implementation v0.15.0
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling dotenv_codegen v0.15.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling ctrlc v3.2.0
[INFO] [stderr]    Compiling pin-project v0.4.28
[INFO] [stderr]    Compiling actix-codec v0.3.0
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling actix-threadpool v0.3.3
[INFO] [stderr]    Compiling actix-rt v1.1.1
[INFO] [stderr]    Compiling actix-service v1.0.6
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling trust-dns-proto v0.19.7
[INFO] [stderr]    Compiling actix-utils v2.0.0
[INFO] [stderr]    Compiling actix-server v1.0.4
[INFO] [stderr]    Compiling actix-tls v2.0.0
[INFO] [stderr]    Compiling actix-testing v1.0.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.7
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling parity-scale-codec v1.3.7
[INFO] [stderr]    Compiling actix-router v0.2.7
[INFO] [stderr]    Compiling ethbloom v0.9.2
[INFO] [stderr]    Compiling actix-connect v2.0.0
[INFO] [stderr]    Compiling actix-http v2.2.1
[INFO] [stderr]    Compiling awc v2.0.3
[INFO] [stderr]    Compiling actix-web v3.3.2
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling primitive-types v0.7.3
[INFO] [stderr]    Compiling ethereum-types v0.9.2
[INFO] [stderr]    Compiling rust_blockchain v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BlockchainError`
[INFO] [stdout]  --> src/model.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use blockchain::{Blockchain, BlockchainError};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ccffb91dc704029e26c6bc9f62876f67a306b9d611db6c773a047e366075c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccffb91dc704029e26c6bc9f62876f67a306b9d611db6c773a047e366075c6e6", kill_on_drop: false }`
[INFO] [stdout] ccffb91dc704029e26c6bc9f62876f67a306b9d611db6c773a047e366075c6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e7f748b364b29713cb261a492f8a5ee3aeb7553dda771c078dae0ea89916b21
[INFO] running `Command { std: "docker" "start" "-a" "1e7f748b364b29713cb261a492f8a5ee3aeb7553dda771c078dae0ea89916b21", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling termtree v0.2.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling nix v0.23.0
[INFO] [stdout] warning: unused import: `BlockchainError`
[INFO] [stdout]  --> src/model.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use blockchain::{Blockchain, BlockchainError};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling predicates v2.0.3
[INFO] [stderr]    Compiling assert_cmd v2.0.2
[INFO] [stderr]    Compiling rust_blockchain v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BlockchainError`
[INFO] [stdout]  --> src/model.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use blockchain::{Blockchain, BlockchainError};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.70s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1e7f748b364b29713cb261a492f8a5ee3aeb7553dda771c078dae0ea89916b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7f748b364b29713cb261a492f8a5ee3aeb7553dda771c078dae0ea89916b21", kill_on_drop: false }`
[INFO] [stdout] 1e7f748b364b29713cb261a492f8a5ee3aeb7553dda771c078dae0ea89916b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e5b2f3d437c6f23e0217671f77f8cef8fda2179b54743c7ad13af0dd6cfd04d
[INFO] running `Command { std: "docker" "start" "-a" "6e5b2f3d437c6f23e0217671f77f8cef8fda2179b54743c7ad13af0dd6cfd04d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `BlockchainError`
[INFO] [stderr]  --> src/model.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub use blockchain::{Blockchain, BlockchainError};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_blockchain` (bin "rust_blockchain") generated 1 warning (run `cargo fix --bin "rust_blockchain"` to apply 1 suggestion)
[INFO] [stderr] warning: `rust_blockchain` (bin "rust_blockchain" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_blockchain-55f1e0c95ab23b51)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test miner::tests::test_create_target_overflowing_difficulty ... ok
[INFO] [stdout] test miner::tests::test_create_target_valid_difficulty ... ok
[INFO] [stdout] test miner::tests::test_mine_block_not_found ... ok
[INFO] [stdout] test miner::tests::test_mine_block_found ... ok
[INFO] [stdout] test miner::tests::test_create_next_block ... ok
[INFO] [stdout] test util::config::tests::read_invalid_envvar ... ok
[INFO] [stdout] test model::blockchain::tests::should_have_valid_genesis_block ... ok
[INFO] [stdout] test miner::tests::test_run_block_found ... ok
[INFO] [stdout] test model::transaction_pool::tests::should_pop_single_value ... ok
[INFO] [stdout] test util::config::tests::read_non_present_envvar ... ok
[INFO] [stdout] test model::blockchain::tests::should_let_adding_valid_blocks ... ok
[INFO] [stdout] test model::blockchain::tests::should_not_let_adding_block_with_invalid_hash ... ok
[INFO] [stdout] test model::blockchain::tests::should_not_let_adding_block_with_invalid_previous_hash ... ok
[INFO] [stdout] test model::transaction_pool::tests::should_pop_multiple_values ... ok
[INFO] [stdout] test util::config::tests::read_present_envvar ... ok
[INFO] [stdout] test model::blockchain::tests::should_not_let_adding_block_with_invalid_index ... ok
[INFO] [stdout] test model::blockchain::tests::should_not_let_adding_block_with_invalid_difficulty ... ok
[INFO] [stdout] test util::config::tests::read_present_vec_envvar ... ok
[INFO] [stdout] test model::transaction_pool::tests::should_be_empty_after_creation ... ok
[INFO] [stdout] test miner::tests::test_run_block_not_found - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/api_test.rs (/opt/rustwide/target/debug/deps/api_test-c2881ae921833938)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_should_get_a_valid_genesis_block ... ok
[INFO] [stdout] test test_should_let_add_valid_block ... ok
[INFO] [stdout] test test_should_let_add_transactions ... ok
[INFO] [stdout] test test_should_not_let_add_invalid_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.47s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/peer_test.rs (/opt/rustwide/target/debug/deps/peer_test-c624f3b80590bd1d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_should_not_receive_new_invalid_blocks ... ok
[INFO] [stdout] test test_should_ignore_unavailable_peers ... ok
[INFO] [stdout] test test_should_receive_new_valid_blocks ... ok
[INFO] [stdout] test test_should_send_new_blocks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e5b2f3d437c6f23e0217671f77f8cef8fda2179b54743c7ad13af0dd6cfd04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5b2f3d437c6f23e0217671f77f8cef8fda2179b54743c7ad13af0dd6cfd04d", kill_on_drop: false }`
[INFO] [stdout] 6e5b2f3d437c6f23e0217671f77f8cef8fda2179b54743c7ad13af0dd6cfd04d
[INFO] testing prince2115/blockchain-project-rust against beta-2024-01-09 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince2115%2Fblockchain-project-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prince2115/blockchain-project-rust on toolchain beta-2024-01-09
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prince2115/blockchain-project-rust
[INFO] finished tweaking git repo https://github.com/prince2115/blockchain-project-rust
[INFO] tweaked toml for git repo https://github.com/prince2115/blockchain-project-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/prince2115/blockchain-project-rust 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-2024-01-09" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6f3bc9ada0be09afa1eccc38c5cdc486333af0e6059601820af4f30decaf9a
[INFO] running `Command { std: "docker" "start" "-a" "3c6f3bc9ada0be09afa1eccc38c5cdc486333af0e6059601820af4f30decaf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6f3bc9ada0be09afa1eccc38c5cdc486333af0e6059601820af4f30decaf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6f3bc9ada0be09afa1eccc38c5cdc486333af0e6059601820af4f30decaf9a", kill_on_drop: false }`
[INFO] [stdout] 3c6f3bc9ada0be09afa1eccc38c5cdc486333af0e6059601820af4f30decaf9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa097c8815a7ac19fc44e7c1d323eb469f14a4c22a8140cab095cfc2d29ef13a
[INFO] running `Command { std: "docker" "start" "-a" "aa097c8815a7ac19fc44e7c1d323eb469f14a4c22a8140cab095cfc2d29ef13a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling openssl-sys v0.9.68
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling fixed-hash v0.6.1
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling curl v0.4.39
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling isahc v1.5.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling castaway v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/650745ceb2ae60e04f8cd7bfb671fc37239533e4/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aa097c8815a7ac19fc44e7c1d323eb469f14a4c22a8140cab095cfc2d29ef13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa097c8815a7ac19fc44e7c1d323eb469f14a4c22a8140cab095cfc2d29ef13a", kill_on_drop: false }`
[INFO] [stdout] aa097c8815a7ac19fc44e7c1d323eb469f14a4c22a8140cab095cfc2d29ef13a
