[INFO] fetching crate xops_core 0.1.1...
[INFO] building xops_core-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate xops_core 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate xops_core 0.1.1
[INFO] finished tweaking crates.io crate xops_core 0.1.1
[INFO] tweaked toml for crates.io crate xops_core 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xops_core 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.13.4 (available: v0.21.3)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b98ed813ce4e4b9d2ad8e2df3c4267dcdc46f6c34e84695fea6de411c5cace99
[INFO] running `Command { std: "docker" "start" "-a" "b98ed813ce4e4b9d2ad8e2df3c4267dcdc46f6c34e84695fea6de411c5cace99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b98ed813ce4e4b9d2ad8e2df3c4267dcdc46f6c34e84695fea6de411c5cace99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98ed813ce4e4b9d2ad8e2df3c4267dcdc46f6c34e84695fea6de411c5cace99", kill_on_drop: false }`
[INFO] [stdout] b98ed813ce4e4b9d2ad8e2df3c4267dcdc46f6c34e84695fea6de411c5cace99
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceafc7df1126cd2bacc3d0fa0365eb2e1a8ea8ec88fe2dd2f054eee49e6f15ed
[INFO] running `Command { std: "docker" "start" "-a" "ceafc7df1126cd2bacc3d0fa0365eb2e1a8ea8ec88fe2dd2f054eee49e6f15ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling xops_core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write::*`
[INFO] [stdout]  --> src/binop.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use 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: methods `as_verbatim` and `try_deref` are never used
[INFO] [stdout]   --> src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait TypeConversion: Sized {
[INFO] [stdout]    |           -------------- methods in this trait
[INFO] [stdout] 13 |     fn as_ref(&self) -> Self;
[INFO] [stdout] 14 |     fn as_verbatim(&self) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 15 |     fn as_deref(&self) -> Option<Self>;
[INFO] [stdout] 16 |     fn try_deref(&self) -> Result<Self, String>;
[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 8.94s
[INFO] running `Command { std: "docker" "inspect" "ceafc7df1126cd2bacc3d0fa0365eb2e1a8ea8ec88fe2dd2f054eee49e6f15ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceafc7df1126cd2bacc3d0fa0365eb2e1a8ea8ec88fe2dd2f054eee49e6f15ed", kill_on_drop: false }`
[INFO] [stdout] ceafc7df1126cd2bacc3d0fa0365eb2e1a8ea8ec88fe2dd2f054eee49e6f15ed
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e96111387d2576b77988856cc6ea92b225973304c35e4b48d64f4a103ddac9c9
[INFO] running `Command { std: "docker" "start" "-a" "e96111387d2576b77988856cc6ea92b225973304c35e4b48d64f4a103ddac9c9", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `write::*`
[INFO] [stdout]  --> src/binop.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use 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: methods `as_verbatim` and `try_deref` are never used
[INFO] [stdout]   --> src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait TypeConversion: Sized {
[INFO] [stdout]    |           -------------- methods in this trait
[INFO] [stdout] 13 |     fn as_ref(&self) -> Self;
[INFO] [stdout] 14 |     fn as_verbatim(&self) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 15 |     fn as_deref(&self) -> Option<Self>;
[INFO] [stdout] 16 |     fn try_deref(&self) -> Result<Self, String>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xops_core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write::*`
[INFO] [stdout]  --> src/binop.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use 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: methods `as_verbatim` and `try_deref` are never used
[INFO] [stdout]   --> src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait TypeConversion: Sized {
[INFO] [stdout]    |           -------------- methods in this trait
[INFO] [stdout] 13 |     fn as_ref(&self) -> Self;
[INFO] [stdout] 14 |     fn as_verbatim(&self) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 15 |     fn as_deref(&self) -> Option<Self>;
[INFO] [stdout] 16 |     fn try_deref(&self) -> Result<Self, String>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e96111387d2576b77988856cc6ea92b225973304c35e4b48d64f4a103ddac9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96111387d2576b77988856cc6ea92b225973304c35e4b48d64f4a103ddac9c9", kill_on_drop: false }`
[INFO] [stdout] e96111387d2576b77988856cc6ea92b225973304c35e4b48d64f4a103ddac9c9