[INFO] fetching crate bitcoinleveldb-comparator 0.1.16-alpha.0...
[INFO] checking bitcoinleveldb-comparator-0.1.16-alpha.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bitcoinleveldb-comparator 0.1.16-alpha.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-comparator 0.1.16-alpha.0 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 bitcoinleveldb-comparator 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoinleveldb-comparator 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoinleveldb-comparator 0.1.16-alpha.0 written to /workspace/builds/worker-2-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 bitcoinleveldb-util v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-slice v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-status v0.1.16-alpha.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8f7091c2d00649167e8f3e121fc03cbec22bd75bc85f4f661e247a7faa2c855b
[INFO] running `Command { std: "docker" "start" "-a" "8f7091c2d00649167e8f3e121fc03cbec22bd75bc85f4f661e247a7faa2c855b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f7091c2d00649167e8f3e121fc03cbec22bd75bc85f4f661e247a7faa2c855b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7091c2d00649167e8f3e121fc03cbec22bd75bc85f4f661e247a7faa2c855b", kill_on_drop: false }`
[INFO] [stdout] 8f7091c2d00649167e8f3e121fc03cbec22bd75bc85f4f661e247a7faa2c855b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 12efe3b536cad0b3d8f129c5b01a71c8b87a40aa2a0a2a14e3481804fc99a0e9
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[INFO] [stderr]     Checking libevent v0.1.0
[INFO] [stderr]     Checking bitcoin-imports v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-cfg v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-derive v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-slice v0.1.16-alpha.0
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[INFO] [stderr]    Compiling bitcoinleveldb-comparator v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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: `start`
[INFO] [stdout]    --> src/comparator.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         start: *mut String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]    --> src/comparator.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         limit: &Slice)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/comparator.rs:148:36
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn find_short_successor(&self, key_: *mut String)  {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/comparator.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         a: &Slice,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/comparator.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         b: &Slice) -> i32 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/comparator.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         start: *mut String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]    --> src/comparator.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         limit: &Slice)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/comparator.rs:148:36
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn find_short_successor(&self, key_: *mut String)  {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/comparator.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         a: &Slice,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/comparator.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         b: &Slice) -> i32 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "12efe3b536cad0b3d8f129c5b01a71c8b87a40aa2a0a2a14e3481804fc99a0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12efe3b536cad0b3d8f129c5b01a71c8b87a40aa2a0a2a14e3481804fc99a0e9", kill_on_drop: false }`
[INFO] [stdout] 12efe3b536cad0b3d8f129c5b01a71c8b87a40aa2a0a2a14e3481804fc99a0e9
