[INFO] fetching crate bitcoin-blockencoding 0.1.12-alpha.0...
[INFO] checking bitcoin-blockencoding-0.1.12-alpha.0 against try#8df314f433990f5163039edae8245e89581f72ca for pr-108221
[INFO] extracting crate bitcoin-blockencoding 0.1.12-alpha.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bitcoin-blockencoding 0.1.12-alpha.0 on toolchain 8df314f433990f5163039edae8245e89581f72ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8df314f433990f5163039edae8245e89581f72ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-blockencoding 0.1.12-alpha.0
[INFO] finished tweaking crates.io crate bitcoin-blockencoding 0.1.12-alpha.0
[INFO] tweaked toml for crates.io crate bitcoin-blockencoding 0.1.12-alpha.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+8df314f433990f5163039edae8245e89581f72ca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8df314f433990f5163039edae8245e89581f72ca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+8df314f433990f5163039edae8245e89581f72ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96ee272de3b9f2b4470beda8520d7a8b5ed619f4cd62d51658191fc923278832
[INFO] running `Command { std: "docker" "start" "-a" "96ee272de3b9f2b4470beda8520d7a8b5ed619f4cd62d51658191fc923278832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ee272de3b9f2b4470beda8520d7a8b5ed619f4cd62d51658191fc923278832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ee272de3b9f2b4470beda8520d7a8b5ed619f4cd62d51658191fc923278832", kill_on_drop: false }`
[INFO] [stdout] 96ee272de3b9f2b4470beda8520d7a8b5ed619f4cd62d51658191fc923278832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+8df314f433990f5163039edae8245e89581f72ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b59a4289126e9cfaafbc20bc8c4d257ab2ecce1a046f69e781a8ea1ceca7dcd5
[INFO] running `Command { std: "docker" "start" "-a" "b59a4289126e9cfaafbc20bc8c4d257ab2ecce1a046f69e781a8ea1ceca7dcd5", kill_on_drop: false }`
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[INFO] [stderr]     Checking bitcoin-imports v0.1.12-alpha.0
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[INFO] [stderr]    Compiling bitcoin-derive v0.1.12-alpha.0
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[INFO] [stderr]    Compiling bitcoin-secp256k1 v0.1.12-alpha.0
[INFO] [stderr]    Compiling bitcoin-string v0.1.12-alpha.0
[INFO] [stderr]    Compiling bitcoin-hash v0.1.12-alpha.0
[INFO] [stderr]    Compiling bitcoinsecp256k1-keys v0.1.12-alpha.0
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[INFO] [stderr]    Compiling bitcoin-scripting v0.1.12-alpha.0
[INFO] [stderr]    Compiling bitcoin-tx v0.1.12-alpha.0
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[INFO] [stderr]    Compiling bitcoin-block v0.1.12-alpha.0
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[INFO] [stderr]    Compiling bitcoin-blockencoding v0.1.12-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use bitcoin_derive::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use bitcoin_derive::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/difference_formatter.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         s: &mut Stream,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/difference_formatter.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         v: I)  {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/difference_formatter.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         s: &mut Stream,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/difference_formatter.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         v: &mut I)  {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/block_header_and_short_txids.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         block:    Amo<Block>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usewtxid`
[INFO] [stdout]   --> src/block_header_and_short_txids.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         usewtxid: bool) -> Self {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_usewtxid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/block_transactions.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(req: &BlockTransactionsRequest) -> Self {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/difference_formatter.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         s: &mut Stream,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/difference_formatter.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         v: I)  {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/difference_formatter.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         s: &mut Stream,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block_header_and_short_txids.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut shorttxidhash = u256::default();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/difference_formatter.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         v: &mut I)  {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]   --> src/block_header_and_short_txids.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         block:    Amo<Block>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usewtxid`
[INFO] [stdout]   --> src/block_header_and_short_txids.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         usewtxid: bool) -> Self {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_usewtxid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/block_transactions.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(req: &BlockTransactionsRequest) -> Self {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORTTXIDS_LENGTH` is never used
[INFO] [stdout]   --> src/block_header_and_short_txids.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const SHORTTXIDS_LENGTH: i32 = 6;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block_header_and_short_txids.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut shorttxidhash = u256::default();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORTTXIDS_LENGTH` is never used
[INFO] [stdout]   --> src/block_header_and_short_txids.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const SHORTTXIDS_LENGTH: i32 = 6;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "b59a4289126e9cfaafbc20bc8c4d257ab2ecce1a046f69e781a8ea1ceca7dcd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59a4289126e9cfaafbc20bc8c4d257ab2ecce1a046f69e781a8ea1ceca7dcd5", kill_on_drop: false }`
[INFO] [stdout] b59a4289126e9cfaafbc20bc8c4d257ab2ecce1a046f69e781a8ea1ceca7dcd5