[INFO] fetching crate vy-core 0.2.0...
[INFO] building vy-core-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate vy-core 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vy-core 0.2.0
[INFO] finished tweaking crates.io crate vy-core 0.2.0
[INFO] tweaked toml for crates.io crate vy-core 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vy-core 0.2.0 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] crate crates.io crate vy-core 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoap v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b6e58e4ea79ef310cd2829e082d9666b45831d969f63df7c280bc29ea0f20328
[INFO] running `Command { std: "docker" "start" "-a" "b6e58e4ea79ef310cd2829e082d9666b45831d969f63df7c280bc29ea0f20328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6e58e4ea79ef310cd2829e082d9666b45831d969f63df7c280bc29ea0f20328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e58e4ea79ef310cd2829e082d9666b45831d969f63df7c280bc29ea0f20328", kill_on_drop: false }`
[INFO] [stdout] b6e58e4ea79ef310cd2829e082d9666b45831d969f63df7c280bc29ea0f20328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c98cb02fd16bc153a86c87f3b7bad020607c410f5aac79e662764b71433fc32d
[INFO] running `Command { std: "docker" "start" "-a" "c98cb02fd16bc153a86c87f3b7bad020607c410f5aac79e662764b71433fc32d", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoap v1.0.1
[INFO] [stderr]    Compiling vy-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "c98cb02fd16bc153a86c87f3b7bad020607c410f5aac79e662764b71433fc32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98cb02fd16bc153a86c87f3b7bad020607c410f5aac79e662764b71433fc32d", kill_on_drop: false }`
[INFO] [stdout] c98cb02fd16bc153a86c87f3b7bad020607c410f5aac79e662764b71433fc32d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c867a56283faa4b78c99f43878c025273d3c400c74e79a8bd1a3218a2c3e26fd
[INFO] running `Command { std: "docker" "start" "-a" "c867a56283faa4b78c99f43878c025273d3c400c74e79a8bd1a3218a2c3e26fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling vy-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> src/buffer.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 376 |     use std::{
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std`
[INFO] [stdout]    --> src/buffer.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 376 |     use std::{
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/buffer.rs:518:20
[INFO] [stdout]     |
[INFO] [stdout] 518 |             handle.join().unwrap();
[INFO] [stdout]     |                    ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vy-core` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c867a56283faa4b78c99f43878c025273d3c400c74e79a8bd1a3218a2c3e26fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c867a56283faa4b78c99f43878c025273d3c400c74e79a8bd1a3218a2c3e26fd", kill_on_drop: false }`
[INFO] [stdout] c867a56283faa4b78c99f43878c025273d3c400c74e79a8bd1a3218a2c3e26fd