[INFO] fetching crate substrate-spec-version 0.1.0...
[INFO] checking substrate-spec-version-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate substrate-spec-version 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate substrate-spec-version 0.1.0
[INFO] finished tweaking crates.io crate substrate-spec-version 0.1.0
[INFO] tweaked toml for crates.io crate substrate-spec-version 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate substrate-spec-version 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate substrate-spec-version 0.1.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a12884a0eaeaafd0c1c5180327acc67838c51e6abea01e43cac0386cde7a65c
[INFO] running `Command { std: "docker" "start" "-a" "3a12884a0eaeaafd0c1c5180327acc67838c51e6abea01e43cac0386cde7a65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a12884a0eaeaafd0c1c5180327acc67838c51e6abea01e43cac0386cde7a65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a12884a0eaeaafd0c1c5180327acc67838c51e6abea01e43cac0386cde7a65c", kill_on_drop: false }`
[INFO] [stdout] 3a12884a0eaeaafd0c1c5180327acc67838c51e6abea01e43cac0386cde7a65c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adae87022f543b37c23542002e52b5ad280312470deb0eb90cd0f59f7c0586bf
[INFO] running `Command { std: "docker" "start" "-a" "adae87022f543b37c23542002e52b5ad280312470deb0eb90cd0f59f7c0586bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]    Compiling rustls-native-certs v0.7.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling sp-crypto-hashing v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]     Checking yap v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling soketto v0.7.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]     Checking rustls-webpki v0.102.3
[INFO] [stderr]    Compiling darling_core v0.20.9
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.12
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling scale-info-derive v2.11.3
[INFO] [stderr]    Compiling darling_macro v0.20.9
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling darling v0.20.9
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling scale-encode-derive v0.6.0
[INFO] [stderr]    Compiling scale-decode-derive v0.11.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]     Checking parity-scale-codec v3.6.12
[INFO] [stderr]     Checking impl-serde v0.4.0
[INFO] [stderr]     Checking beef v0.5.2
[INFO] [stderr]     Checking scale-info v2.11.3
[INFO] [stderr]     Checking impl-codec v0.6.0
[INFO] [stderr]     Checking jsonrpsee-types v0.22.5
[INFO] [stderr]     Checking jsonrpsee-core v0.22.5
[INFO] [stderr]     Checking scale-type-resolver v0.1.1
[INFO] [stderr]     Checking primitive-types v0.12.2
[INFO] [stderr]     Checking frame-metadata v16.0.0
[INFO] [stderr]     Checking frame-metadata v15.1.0
[INFO] [stderr]     Checking scale-bits v0.5.0
[INFO] [stderr]     Checking subxt-metadata v0.35.3
[INFO] [stderr]     Checking jsonrpsee-client-transport v0.22.5
[INFO] [stderr]     Checking jsonrpsee v0.22.5
[INFO] [stderr]    Compiling scale-typegen v0.2.1
[INFO] [stderr]     Checking scale-encode v0.6.0
[INFO] [stderr]     Checking scale-decode v0.11.1
[INFO] [stderr]     Checking scale-value v0.14.1
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling jsonrpsee-http-client v0.22.5
[INFO] [stderr]    Compiling subxt-codegen v0.35.3
[INFO] [stderr]    Compiling subxt-macro v0.35.3
[INFO] [stderr]     Checking subxt v0.35.3
[INFO] [stderr]     Checking substrate-spec-version v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     /// WebSocket URL of the Substrate node
[INFO] [stdout] 31 | |     #[structopt(name = "URL")]
[INFO] [stdout] 32 | |     url: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     /// WebSocket URL of the Substrate node
[INFO] [stdout] 31 | |     #[structopt(name = "URL")]
[INFO] [stdout] 32 | |     url: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate-spec-version` (bin "substrate-spec-version" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `substrate-spec-version` (bin "substrate-spec-version") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "adae87022f543b37c23542002e52b5ad280312470deb0eb90cd0f59f7c0586bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adae87022f543b37c23542002e52b5ad280312470deb0eb90cd0f59f7c0586bf", kill_on_drop: false }`
[INFO] [stdout] adae87022f543b37c23542002e52b5ad280312470deb0eb90cd0f59f7c0586bf
