[INFO] cloning repository https://github.com/michaelsdunn1/bitcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelsdunn1/bitcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelsdunn1%2Fbitcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelsdunn1%2Fbitcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73c262ebdd755038e08fa132c518922ccbd5c246
[INFO] checking michaelsdunn1/bitcoin against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelsdunn1%2Fbitcoin" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelsdunn1/bitcoin on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelsdunn1/bitcoin
[INFO] finished tweaking git repo https://github.com/michaelsdunn1/bitcoin
[INFO] tweaked toml for git repo https://github.com/michaelsdunn1/bitcoin written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelsdunn1/bitcoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded digest-buffer v0.3.1
[INFO] [stderr]   Downloaded generic-array v0.7.3
[INFO] [stderr]   Downloaded byte-tools v0.1.3
[INFO] [stderr]   Downloaded digest v0.5.2
[INFO] [stderr]   Downloaded sha2 v0.5.3
[INFO] [stderr]   Downloaded secp256k1 v0.11.1
[INFO] [stderr]   Downloaded base16 v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68f09c8780c3c55138bdeebfb3ac46412f3c12b05622459174d8443b1f280dd6
[INFO] running `Command { std: "docker" "start" "-a" "68f09c8780c3c55138bdeebfb3ac46412f3c12b05622459174d8443b1f280dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68f09c8780c3c55138bdeebfb3ac46412f3c12b05622459174d8443b1f280dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f09c8780c3c55138bdeebfb3ac46412f3c12b05622459174d8443b1f280dd6", kill_on_drop: false }`
[INFO] [stdout] 68f09c8780c3c55138bdeebfb3ac46412f3c12b05622459174d8443b1f280dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ee513bd6207a11b891d667bd6d641d882dbaefcb8a09be80143d2cea499f5f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ee513bd6207a11b891d667bd6d641d882dbaefcb8a09be80143d2cea499f5f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking base16 v0.1.1
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling secp256k1 v0.11.1
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking sha2 v0.5.3
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Secp256k1`
[INFO] [stdout]   --> src/keys.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::secp256k1::{Secp256k1, SecretKey, PublicKey};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/keys.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     &buf.clone_from_slice(hasher.result().as_slice());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = &buf.clone_from_slice(hasher.result().as_slice());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/keys.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     &buf.clone_from_slice(hasher.result().as_slice());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let _ = &buf.clone_from_slice(hasher.result().as_slice());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/keys.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     &buf.clone_from_slice(hasher.result().as_slice());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = &buf.clone_from_slice(hasher.result().as_slice());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/keys.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     &buf.clone_from_slice(hasher.result().as_slice());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let _ = &buf.clone_from_slice(hasher.result().as_slice());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "9ee513bd6207a11b891d667bd6d641d882dbaefcb8a09be80143d2cea499f5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee513bd6207a11b891d667bd6d641d882dbaefcb8a09be80143d2cea499f5f1", kill_on_drop: false }`
[INFO] [stdout] 9ee513bd6207a11b891d667bd6d641d882dbaefcb8a09be80143d2cea499f5f1