[INFO] cloning repository https://github.com/marc2332/rust_blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marc2332/rust_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc2332%2Frust_blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc2332%2Frust_blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28354a23c6b0c270cd80fba875e1b62db652ee87
[INFO] checking marc2332/rust_blockchain against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc2332%2Frust_blockchain" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marc2332/rust_blockchain on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marc2332/rust_blockchain
[INFO] finished tweaking git repo https://github.com/marc2332/rust_blockchain
[INFO] tweaked toml for git repo https://github.com/marc2332/rust_blockchain written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marc2332/rust_blockchain 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded tracing-core v0.1.19
[INFO] [stderr]   Downloaded tinyvec v1.3.1
[INFO] [stderr]   Downloaded tungstenite v0.12.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.13.0
[INFO] [stderr]   Downloaded warp v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.102
[INFO] [stderr]   Downloaded tokio v1.11.0
[INFO] [stderr]   Downloaded argh_derive v0.1.5
[INFO] [stderr]   Downloaded async-std v1.9.0
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded web-sys v0.3.53
[INFO] [stderr]   Downloaded const_fn v0.4.8
[INFO] [stderr]   Downloaded websocket v0.24.0
[INFO] [stderr]   Downloaded serde_qs v0.8.4
[INFO] [stderr]   Downloaded surf v2.2.0
[INFO] [stderr]   Downloaded jsonrpc_client v0.7.0
[INFO] [stderr]   Downloaded signature v1.3.2
[INFO] [stderr]   Downloaded ecdsa v0.12.4
[INFO] [stderr]   Downloaded crypto-bigint v0.2.11
[INFO] [stderr]   Downloaded ff v0.10.1
[INFO] [stderr]   Downloaded const-oid v0.6.2
[INFO] [stderr]   Downloaded der v0.4.4
[INFO] [stderr]   Downloaded spki v0.4.1
[INFO] [stderr]   Downloaded pkcs8 v0.7.6
[INFO] [stderr]   Downloaded curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]   Downloaded zeroize v1.4.3
[INFO] [stderr]   Downloaded elliptic-curve v0.10.6
[INFO] [stderr]   Downloaded bson v2.0.0
[INFO] [stderr]   Downloaded pbkdf2 v0.8.0
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded darling_macro v0.13.0
[INFO] [stderr]   Downloaded darling v0.13.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]   Downloaded mongodb v2.0.0
[INFO] [stderr]   Downloaded js-sys v0.3.53
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.76
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.76
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.76
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.76
[INFO] [stderr]   Downloaded reqwest v0.11.4
[INFO] [stderr]   Downloaded derive_more v0.99.16
[INFO] [stderr]   Downloaded jsonrpc-pubsub v18.0.0
[INFO] [stderr]   Downloaded openssl v0.10.36
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded websocket-base v0.24.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-derive v18.0.0
[INFO] [stderr]   Downloaded parity-ws v0.11.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v18.0.0
[INFO] [stderr]   Downloaded headers v0.3.5
[INFO] [stderr]   Downloaded http-body v0.4.3
[INFO] [stderr]   Downloaded hyper v0.14.11
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded sha-1 v0.9.7
[INFO] [stderr]   Downloaded argh_shared v0.1.5
[INFO] [stderr]   Downloaded argh v0.1.5
[INFO] [stderr]   Downloaded crossterm v0.21.0
[INFO] [stderr]   Downloaded actix-macros v0.2.1
[INFO] [stderr]   Downloaded actix-rt v2.2.0
[INFO] [stderr]   Downloaded actix v0.12.0
[INFO] [stderr]   Downloaded actix-http v2.2.1
[INFO] [stderr]   Downloaded actix-web v3.3.2
[INFO] [stderr]   Downloaded jsonrpc-http-server v18.0.0
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded simple_logger v1.13.0
[INFO] [stderr]   Downloaded tracing-appender v0.1.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.20
[INFO] [stderr]   Downloaded crossterm_winapi v0.8.0
[INFO] [stderr]   Downloaded signal-hook v0.3.9
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.1
[INFO] [stderr]   Downloaded crossterm v0.20.0
[INFO] [stderr]   Downloaded tui v0.16.0
[INFO] [stderr]   Downloaded crypto-bigint v0.3.2
[INFO] [stderr]   Downloaded const-oid v0.7.0
[INFO] [stderr]   Downloaded der v0.5.1
[INFO] [stderr]   Downloaded ff v0.11.0
[INFO] [stderr]   Downloaded group v0.11.0
[INFO] [stderr]   Downloaded elliptic-curve v0.11.1
[INFO] [stderr]   Downloaded jsonrpc_client_macro v0.3.0
[INFO] [stderr]   Downloaded curl v0.4.38
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded http-client v6.5.1
[INFO] [stderr]   Downloaded anyhow v1.0.43
[INFO] [stderr]   Downloaded os_info v3.0.7
[INFO] [stderr]   Downloaded darling_core v0.13.0
[INFO] [stderr]   Downloaded serde_with_macros v1.5.0
[INFO] [stderr]   Downloaded serde_with v1.10.0
[INFO] [stderr]   Downloaded typed-builder v0.9.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.26
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.76
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.66
[INFO] [stderr]   Downloaded jsonrpc-server-utils v18.0.0
[INFO] [stderr]   Downloaded h2 v0.3.3
[INFO] [stderr]   Downloaded multipart v0.17.1
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded input_buffer v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55af7f41db71781838af9f447526c0db48f03582ed0ae1eee13888eb990cc021
[INFO] running `Command { std: "docker" "start" "-a" "55af7f41db71781838af9f447526c0db48f03582ed0ae1eee13888eb990cc021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55af7f41db71781838af9f447526c0db48f03582ed0ae1eee13888eb990cc021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55af7f41db71781838af9f447526c0db48f03582ed0ae1eee13888eb990cc021", kill_on_drop: false }`
[INFO] [stdout] 55af7f41db71781838af9f447526c0db48f03582ed0ae1eee13888eb990cc021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b97796c9b4f72cff1ba3ea8878fccb024f83c15ded9c89f408fbce54a2c59f81
[INFO] running `Command { std: "docker" "start" "-a" "b97796c9b4f72cff1ba3ea8878fccb024f83c15ded9c89f408fbce54a2c59f81", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking der v0.4.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]    Compiling isahc v0.9.14
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking flume v0.9.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking sluice v0.5.5
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking signature v1.3.2
[INFO] [stderr]     Checking ff v0.11.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking const-oid v0.7.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking version_check v0.9.3
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking elliptic-curve v0.10.6
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking regex v1.5.4
[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/506512391b1a75ae450d36c9420978402a91abcc/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] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking ecdsa v0.12.4
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking elliptic-curve v0.11.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking k256 v0.9.6
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking headers v0.3.5
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[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" "b97796c9b4f72cff1ba3ea8878fccb024f83c15ded9c89f408fbce54a2c59f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97796c9b4f72cff1ba3ea8878fccb024f83c15ded9c89f408fbce54a2c59f81", kill_on_drop: false }`
[INFO] [stdout] b97796c9b4f72cff1ba3ea8878fccb024f83c15ded9c89f408fbce54a2c59f81