[INFO] fetching crate xops_core 0.1.1...
[INFO] checking xops_core-0.1.1 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate xops_core 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate xops_core 0.1.1 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.13.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.13.4 (latest: v0.20.10)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa17d348a29ddf7276de117e3e7c9a1ba9f33bc5e7543efb899e812f777903ae
[INFO] running `Command { std: "docker" "start" "-a" "fa17d348a29ddf7276de117e3e7c9a1ba9f33bc5e7543efb899e812f777903ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa17d348a29ddf7276de117e3e7c9a1ba9f33bc5e7543efb899e812f777903ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa17d348a29ddf7276de117e3e7c9a1ba9f33bc5e7543efb899e812f777903ae", kill_on_drop: false }`
[INFO] [stdout] fa17d348a29ddf7276de117e3e7c9a1ba9f33bc5e7543efb899e812f777903ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c6c97dac6391353195e217ff3ac05a402df3c0a841f4da2c4d15e40e5ac6964
[INFO] running `Command { std: "docker" "start" "-a" "4c6c97dac6391353195e217ff3ac05a402df3c0a841f4da2c4d15e40e5ac6964", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking darling v0.13.4
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `Command { std: "docker" "inspect" "4c6c97dac6391353195e217ff3ac05a402df3c0a841f4da2c4d15e40e5ac6964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6c97dac6391353195e217ff3ac05a402df3c0a841f4da2c4d15e40e5ac6964", kill_on_drop: false }`
[INFO] [stdout] 4c6c97dac6391353195e217ff3ac05a402df3c0a841f4da2c4d15e40e5ac6964