[INFO] fetching crate binn-ir 0.17.3...
[INFO] checking binn-ir-0.17.3 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate binn-ir 0.17.3 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate binn-ir 0.17.3 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kib v7.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c39810a6138ebbe419173406921685b38deafc28b6ffb49c5e5dbd7dd8d79492
[INFO] running `Command { std: "docker" "start" "-a" "c39810a6138ebbe419173406921685b38deafc28b6ffb49c5e5dbd7dd8d79492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c39810a6138ebbe419173406921685b38deafc28b6ffb49c5e5dbd7dd8d79492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39810a6138ebbe419173406921685b38deafc28b6ffb49c5e5dbd7dd8d79492", kill_on_drop: false }`
[INFO] [stdout] c39810a6138ebbe419173406921685b38deafc28b6ffb49c5e5dbd7dd8d79492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9c5789d4b176efe397d474981648ed71cc2683823dee8a45f697f03279fcd07
[INFO] running `Command { std: "docker" "start" "-a" "f9c5789d4b176efe397d474981648ed71cc2683823dee8a45f697f03279fcd07", kill_on_drop: false }`
[INFO] [stderr]     Checking kib v7.1.1
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Write` is never used
[INFO] [stdout]   --> src/write.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait Write {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Write` is never used
[INFO] [stdout]   --> src/write.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait Write {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "f9c5789d4b176efe397d474981648ed71cc2683823dee8a45f697f03279fcd07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c5789d4b176efe397d474981648ed71cc2683823dee8a45f697f03279fcd07", kill_on_drop: false }`
[INFO] [stdout] f9c5789d4b176efe397d474981648ed71cc2683823dee8a45f697f03279fcd07