[INFO] fetching crate binn-ir 0.17.3...
[INFO] checking binn-ir-0.17.3 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate binn-ir 0.17.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate binn-ir 0.17.3 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 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-5-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 kib v7.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4dcacc1fafc18acefa8b8b09f9adc0e3d5620c8787c4e546c83d171017ca59cb
[INFO] running `Command { std: "docker" "start" "-a" "4dcacc1fafc18acefa8b8b09f9adc0e3d5620c8787c4e546c83d171017ca59cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dcacc1fafc18acefa8b8b09f9adc0e3d5620c8787c4e546c83d171017ca59cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dcacc1fafc18acefa8b8b09f9adc0e3d5620c8787c4e546c83d171017ca59cb", kill_on_drop: false }`
[INFO] [stdout] 4dcacc1fafc18acefa8b8b09f9adc0e3d5620c8787c4e546c83d171017ca59cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cce8b260ef25fb66ddcbff94ed6fffa90459447200ce348ecee19c7a1bf979f1
[INFO] running `Command { std: "docker" "start" "-a" "cce8b260ef25fb66ddcbff94ed6fffa90459447200ce348ecee19c7a1bf979f1", kill_on_drop: false }`
[INFO] [stderr]     Checking kib v7.0.1
[INFO] [stderr]     Checking binn-ir v0.17.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/value_enum/impls/list.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     core::iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/value_enum/impls/map.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     core::iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/value_enum/impls/object.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     core::iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/value_enum/impls/list.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     core::iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/value_enum/impls/map.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     core::iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/value_enum/impls/object.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     core::iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/prelude/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[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] 
[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] 
[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: 5 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "cce8b260ef25fb66ddcbff94ed6fffa90459447200ce348ecee19c7a1bf979f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce8b260ef25fb66ddcbff94ed6fffa90459447200ce348ecee19c7a1bf979f1", kill_on_drop: false }`
[INFO] [stdout] cce8b260ef25fb66ddcbff94ed6fffa90459447200ce348ecee19c7a1bf979f1
