[INFO] fetching crate buffett-crypto 0.1.1...
[INFO] checking buffett-crypto-0.1.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate buffett-crypto 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate buffett-crypto 0.1.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffett-crypto 0.1.1
[INFO] finished tweaking crates.io crate buffett-crypto 0.1.1
[INFO] tweaked toml for crates.io crate buffett-crypto 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.9.0
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded bs58 v0.2.5
[INFO] [stderr]   Downloaded generic-array v0.9.1
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded buffett-interface v0.1.0
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e632aa6eb0703da46599edde1b1ce1d37f5c7350d4703d829a1119361713090a
[INFO] running `Command { std: "docker" "start" "-a" "e632aa6eb0703da46599edde1b1ce1d37f5c7350d4703d829a1119361713090a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e632aa6eb0703da46599edde1b1ce1d37f5c7350d4703d829a1119361713090a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e632aa6eb0703da46599edde1b1ce1d37f5c7350d4703d829a1119361713090a", kill_on_drop: false }`
[INFO] [stdout] e632aa6eb0703da46599edde1b1ce1d37f5c7350d4703d829a1119361713090a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65615dc295bc98b3d16971e8c09795de47b0cd7ae1150066edbca934ab4eefe
[INFO] running `Command { std: "docker" "start" "-a" "b65615dc295bc98b3d16971e8c09795de47b0cd7ae1150066edbca934ab4eefe", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking buffett-interface v0.1.0
[INFO] [stderr]     Checking buffett-crypto v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/hash.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bs58;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bs58;
[INFO] [stdout]   | ------------------ the item `bs58` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/hash.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bs58;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bs58;
[INFO] [stdout]   | ------------------ the item `bs58` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/signature.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs58;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bs58;
[INFO] [stdout]   | ------------------ the item `bs58` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/signature.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/signature.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs58;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bs58;
[INFO] [stdout]   | ------------------ the item `bs58` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/signature.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/signature.rs:95:54
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<error::Error>> {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<dyn error::Error>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/signature.rs:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<error::Error>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<dyn error::Error>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/signature.rs:95:54
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<error::Error>> {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<dyn error::Error>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/signature.rs:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<error::Error>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<dyn error::Error>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "b65615dc295bc98b3d16971e8c09795de47b0cd7ae1150066edbca934ab4eefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65615dc295bc98b3d16971e8c09795de47b0cd7ae1150066edbca934ab4eefe", kill_on_drop: false }`
[INFO] [stdout] b65615dc295bc98b3d16971e8c09795de47b0cd7ae1150066edbca934ab4eefe
[INFO] checking buffett-crypto-0.1.1 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate buffett-crypto 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate buffett-crypto 0.1.1 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffett-crypto 0.1.1
[INFO] finished tweaking crates.io crate buffett-crypto 0.1.1
[INFO] tweaked toml for crates.io crate buffett-crypto 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06b93e684abc97a8306a87375b7b2f5dfdcc815bdb4debb418eaae172fec6d8f
[INFO] running `Command { std: "docker" "start" "-a" "06b93e684abc97a8306a87375b7b2f5dfdcc815bdb4debb418eaae172fec6d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b93e684abc97a8306a87375b7b2f5dfdcc815bdb4debb418eaae172fec6d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b93e684abc97a8306a87375b7b2f5dfdcc815bdb4debb418eaae172fec6d8f", kill_on_drop: false }`
[INFO] [stdout] 06b93e684abc97a8306a87375b7b2f5dfdcc815bdb4debb418eaae172fec6d8f
[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" "-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61db8d3f5f7446bfba165ca195640118439281a603c52a30bf501e39cc2d77d3
[INFO] running `Command { std: "docker" "start" "-a" "61db8d3f5f7446bfba165ca195640118439281a603c52a30bf501e39cc2d77d3", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking buffett-interface v0.1.0
[INFO] [stderr]     Checking buffett-crypto v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/hash.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bs58;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bs58;
[INFO] [stdout]   | ------------------ the item `bs58` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/signature.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs58;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bs58;
[INFO] [stdout]   | ------------------ the item `bs58` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/hash.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bs58;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bs58;
[INFO] [stdout]   | ------------------ the item `bs58` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/signature.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bs58` is imported redundantly
[INFO] [stdout]  --> src/signature.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs58;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bs58;
[INFO] [stdout]   | ------------------ the item `bs58` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/signature.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/signature.rs:95:54
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<error::Error>> {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<dyn error::Error>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/signature.rs:95:54
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<error::Error>> {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<dyn error::Error>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/signature.rs:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<error::Error>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<dyn error::Error>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/signature.rs:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<error::Error>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<dyn error::Error>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "61db8d3f5f7446bfba165ca195640118439281a603c52a30bf501e39cc2d77d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61db8d3f5f7446bfba165ca195640118439281a603c52a30bf501e39cc2d77d3", kill_on_drop: false }`
[INFO] [stdout] 61db8d3f5f7446bfba165ca195640118439281a603c52a30bf501e39cc2d77d3
