[INFO] cloning repository https://github.com/bifrost-codes/rust-iost
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bifrost-codes/rust-iost" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbifrost-codes%2Frust-iost", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbifrost-codes%2Frust-iost'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff46cb965663ab7dbb3fb6631109a223ee670ee9
[INFO] checking bifrost-codes/rust-iost against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbifrost-codes%2Frust-iost" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bifrost-codes/rust-iost on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bifrost-codes/rust-iost
[INFO] finished tweaking git repo https://github.com/bifrost-codes/rust-iost
[INFO] tweaked toml for git repo https://github.com/bifrost-codes/rust-iost written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/bifrost-codes/rust-iost already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bfc046a92fb52e0273ccc46e92f2be5136a1f7a631a3d4a2faad2e86dec18c2
[INFO] running `Command { std: "docker" "start" "-a" "7bfc046a92fb52e0273ccc46e92f2be5136a1f7a631a3d4a2faad2e86dec18c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bfc046a92fb52e0273ccc46e92f2be5136a1f7a631a3d4a2faad2e86dec18c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfc046a92fb52e0273ccc46e92f2be5136a1f7a631a3d4a2faad2e86dec18c2", kill_on_drop: false }`
[INFO] [stdout] 7bfc046a92fb52e0273ccc46e92f2be5136a1f7a631a3d4a2faad2e86dec18c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32b134362e50e5ac64f4346f97272af121ba5a27022e4e8722481c4ee9b7cdba
[INFO] running `Command { std: "docker" "start" "-a" "32b134362e50e5ac64f4346f97272af121ba5a27022e4e8722481c4ee9b7cdba", kill_on_drop: false }`
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[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crunchy v0.2.2
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[INFO] [stderr]     Checking tap v1.0.1
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[INFO] [stderr]     Checking iost-derive v0.2.1 (/opt/rustwide/workdir/iost-derive)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
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[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking iost-keys v0.1.0 (/opt/rustwide/workdir/keys)
[INFO] [stdout] error[E0432]: unresolved import `crate::keypair`
[INFO] [stdout]    --> keys/src/base58.rs:364:16
[INFO] [stdout]     |
[INFO] [stdout] 364 |     use crate::keypair::KeyPair;
[INFO] [stdout]     |                ^^^^^^^ could not find `keypair` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex::decode`
[INFO] [stdout]    --> keys/src/base58.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |     use hex::decode as hex_decode;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ no `decode` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]    --> keys/src/base58.rs:422:27
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let result = hex::encode(s);
[INFO] [stdout]     |                           ^^^^^^ not found in `hex`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use base64::encode;
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use bs58::encode;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sec_key`
[INFO] [stdout]   --> keys/src/algorithm.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn check(&self, sec_key: &[u8]) -> crate::Result<()> {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sec_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sec_key`
[INFO] [stdout]   --> keys/src/algorithm.rs:97:21
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn check(&self, sec_key: &[u8]) -> Result<()> {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sec_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ROOT_KEY`
[INFO] [stdout]   --> keys/src/algorithm.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / const ROOT_KEY: &'static str =
[INFO] [stdout] 15 | |     "2yquS3ySrGWPEKywCPzX4RTJugqRh7kJSo5aehsLYPEWkUxBWA39oMrZ7ZxuM4fgyXYs2cPwh5n8aNNpH5x2VyK1";
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iost-keys` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "32b134362e50e5ac64f4346f97272af121ba5a27022e4e8722481c4ee9b7cdba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b134362e50e5ac64f4346f97272af121ba5a27022e4e8722481c4ee9b7cdba", kill_on_drop: false }`
[INFO] [stdout] 32b134362e50e5ac64f4346f97272af121ba5a27022e4e8722481c4ee9b7cdba