[INFO] fetching crate bitcoin-spv 5.0.0...
[INFO] checking bitcoin-spv-5.0.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bitcoin-spv 5.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bitcoin-spv 5.0.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-spv 5.0.0
[INFO] finished tweaking crates.io crate bitcoin-spv 5.0.0
[INFO] tweaked toml for crates.io crate bitcoin-spv 5.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ripemd160 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f156f2c867aacffa3ef39f0665c9dd641f1b5552f9e5c2dda63bceca8e3b3c83
[INFO] running `Command { std: "docker" "start" "-a" "f156f2c867aacffa3ef39f0665c9dd641f1b5552f9e5c2dda63bceca8e3b3c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f156f2c867aacffa3ef39f0665c9dd641f1b5552f9e5c2dda63bceca8e3b3c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f156f2c867aacffa3ef39f0665c9dd641f1b5552f9e5c2dda63bceca8e3b3c83", kill_on_drop: false }`
[INFO] [stdout] f156f2c867aacffa3ef39f0665c9dd641f1b5552f9e5c2dda63bceca8e3b3c83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba6c3a1203a25f3106d35db82943e8ad140b98dc57882d3d930456d02785322
[INFO] running `Command { std: "docker" "start" "-a" "5ba6c3a1203a25f3106d35db82943e8ad140b98dc57882d3d930456d02785322", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking bitcoin-spv v5.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/std_types.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fmt, string::ToString, vec::Vec};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Deserialize` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `Deserialize` is already imported here
[INFO] [stdout] 246 |     use serde::{Deserialize, Deserializer, Serializer};
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `utils` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 248 |     use crate::utils;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     string::String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     vec::Vec, // The struct
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U256` is imported redundantly
[INFO] [stdout]    --> src/btcspv.rs:653:9
[INFO] [stdout]     |
[INFO] [stdout] 651 |     use super::*;
[INFO] [stdout]     |         -------- the item `U256` is already imported here
[INFO] [stdout] 652 |     use crate::test_utils::{self, force_deserialize_hex};
[INFO] [stdout] 653 |     use primitive_types::U256;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/std_types.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fmt, string::ToString, vec::Vec};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Deserialize` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `Deserialize` is already imported here
[INFO] [stdout] 246 |     use serde::{Deserialize, Deserializer, Serializer};
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `utils` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 248 |     use crate::utils;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 280 |     use super::*;
[INFO] [stdout]     |         -------- the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:277:18
[INFO] [stdout]     |
[INFO] [stdout] 277 |         string::{String, ToString},
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]    --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         string::{String, ToString},
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 280 |     use super::*;
[INFO] [stdout]     |         -------- the item `ToString` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     string::String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     vec::Vec, // The struct
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         string::String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         vec::Vec, // The struct
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "5ba6c3a1203a25f3106d35db82943e8ad140b98dc57882d3d930456d02785322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba6c3a1203a25f3106d35db82943e8ad140b98dc57882d3d930456d02785322", kill_on_drop: false }`
[INFO] [stdout] 5ba6c3a1203a25f3106d35db82943e8ad140b98dc57882d3d930456d02785322
[INFO] checking bitcoin-spv-5.0.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bitcoin-spv 5.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bitcoin-spv 5.0.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-spv 5.0.0
[INFO] finished tweaking crates.io crate bitcoin-spv 5.0.0
[INFO] tweaked toml for crates.io crate bitcoin-spv 5.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 594a3aa6bb0a3a358a268fec31e9445e77da9a780f4864c08779f4362cd2440d
[INFO] running `Command { std: "docker" "start" "-a" "594a3aa6bb0a3a358a268fec31e9445e77da9a780f4864c08779f4362cd2440d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594a3aa6bb0a3a358a268fec31e9445e77da9a780f4864c08779f4362cd2440d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594a3aa6bb0a3a358a268fec31e9445e77da9a780f4864c08779f4362cd2440d", kill_on_drop: false }`
[INFO] [stdout] 594a3aa6bb0a3a358a268fec31e9445e77da9a780f4864c08779f4362cd2440d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e7c78cf67346d4eef72b3a050587de540a740986dff08f11c0f2a4a82c64e2
[INFO] running `Command { std: "docker" "start" "-a" "95e7c78cf67346d4eef72b3a050587de540a740986dff08f11c0f2a4a82c64e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking bitcoin-spv v5.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/std_types.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fmt, string::ToString, vec::Vec};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Deserialize` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `Deserialize` is already imported here
[INFO] [stdout] 246 |     use serde::{Deserialize, Deserializer, Serializer};
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `utils` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 248 |     use crate::utils;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     string::String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     vec::Vec, // The struct
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U256` is imported redundantly
[INFO] [stdout]    --> src/btcspv.rs:653:9
[INFO] [stdout]     |
[INFO] [stdout] 651 |     use super::*;
[INFO] [stdout]     |         -------- the item `U256` is already imported here
[INFO] [stdout] 652 |     use crate::test_utils::{self, force_deserialize_hex};
[INFO] [stdout] 653 |     use primitive_types::U256;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/std_types.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fmt, string::ToString, vec::Vec};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Deserialize` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `Deserialize` is already imported here
[INFO] [stdout] 246 |     use serde::{Deserialize, Deserializer, Serializer};
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `utils` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 248 |     use crate::utils;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 280 |     use super::*;
[INFO] [stdout]     |         -------- the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:277:18
[INFO] [stdout]     |
[INFO] [stdout] 277 |         string::{String, ToString},
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]    --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/std_types.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         string::{String, ToString},
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 280 |     use super::*;
[INFO] [stdout]     |         -------- the item `ToString` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     string::String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     vec::Vec, // The struct
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         string::String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         vec::Vec, // The struct
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `Command { std: "docker" "inspect" "95e7c78cf67346d4eef72b3a050587de540a740986dff08f11c0f2a4a82c64e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e7c78cf67346d4eef72b3a050587de540a740986dff08f11c0f2a4a82c64e2", kill_on_drop: false }`
[INFO] [stdout] 95e7c78cf67346d4eef72b3a050587de540a740986dff08f11c0f2a4a82c64e2
