[INFO] fetching crate binn-ir 0.17.3...
[INFO] checking binn-ir-0.17.3 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate binn-ir 0.17.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate binn-ir 0.17.3 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binn-ir 0.17.3
[INFO] finished tweaking crates.io crate binn-ir 0.17.3
[INFO] tweaked toml for crates.io crate binn-ir 0.17.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba2affc583099f03ee329e6dcae2612b77bea50941c220f29a7132bb130ab032
[INFO] running `Command { std: "docker" "start" "-a" "ba2affc583099f03ee329e6dcae2612b77bea50941c220f29a7132bb130ab032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2affc583099f03ee329e6dcae2612b77bea50941c220f29a7132bb130ab032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2affc583099f03ee329e6dcae2612b77bea50941c220f29a7132bb130ab032", kill_on_drop: false }`
[INFO] [stdout] ba2affc583099f03ee329e6dcae2612b77bea50941c220f29a7132bb130ab032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19c4924c46fa1bc90cae781010e271a80e07628c5d292c55f9056e00fda11ba3
[INFO] running `Command { std: "docker" "start" "-a" "19c4924c46fa1bc90cae781010e271a80e07628c5d292c55f9056e00fda11ba3", kill_on_drop: false }`
[INFO] [stderr]     Checking kib v7.1.0
[INFO] [stderr]     Checking binn-ir v0.17.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::write::Write`
[INFO] [stdout]    --> src/lib.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub (crate) use crate::write::Write;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::write::Write`
[INFO] [stdout]    --> src/lib.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub (crate) use crate::write::Write;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]   --> src/write.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait Write {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn write<B>(&mut self, bytes: B) -> Result<usize> where B: AsRef<[u8]>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CmpTo` is never used
[INFO] [stdout]   --> tests/cmp.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub (crate) trait CmpTo<T: Ord>: Ord {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]   --> src/write.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait Write {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn write<B>(&mut self, bytes: B) -> Result<usize> where B: AsRef<[u8]>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "19c4924c46fa1bc90cae781010e271a80e07628c5d292c55f9056e00fda11ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c4924c46fa1bc90cae781010e271a80e07628c5d292c55f9056e00fda11ba3", kill_on_drop: false }`
[INFO] [stdout] 19c4924c46fa1bc90cae781010e271a80e07628c5d292c55f9056e00fda11ba3