[INFO] fetching crate vy-core 0.2.0...
[INFO] testing vy-core-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate vy-core 0.2.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vy-core 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07ac1a705e621570b1b668a310bbb03e58a11bb56ea3af47745cb2032d4f843a
[INFO] running `Command { std: "docker" "start" "-a" "07ac1a705e621570b1b668a310bbb03e58a11bb56ea3af47745cb2032d4f843a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07ac1a705e621570b1b668a310bbb03e58a11bb56ea3af47745cb2032d4f843a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ac1a705e621570b1b668a310bbb03e58a11bb56ea3af47745cb2032d4f843a", kill_on_drop: false }`
[INFO] [stdout] 07ac1a705e621570b1b668a310bbb03e58a11bb56ea3af47745cb2032d4f843a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43b79bc228079634988cf02a276edd4e27ec7064a1093779cd16f032135c411a
[INFO] running `Command { std: "docker" "start" "-a" "43b79bc228079634988cf02a276edd4e27ec7064a1093779cd16f032135c411a", 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "43b79bc228079634988cf02a276edd4e27ec7064a1093779cd16f032135c411a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b79bc228079634988cf02a276edd4e27ec7064a1093779cd16f032135c411a", kill_on_drop: false }`
[INFO] [stdout] 43b79bc228079634988cf02a276edd4e27ec7064a1093779cd16f032135c411a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7e7627603fdbff776f9744580673bc2c140bd7c036dff3ef5462c761822a23d
[INFO] running `Command { std: "docker" "start" "-a" "e7e7627603fdbff776f9744580673bc2c140bd7c036dff3ef5462c761822a23d", 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] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vy-core` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e7e7627603fdbff776f9744580673bc2c140bd7c036dff3ef5462c761822a23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e7627603fdbff776f9744580673bc2c140bd7c036dff3ef5462c761822a23d", kill_on_drop: false }`
[INFO] [stdout] e7e7627603fdbff776f9744580673bc2c140bd7c036dff3ef5462c761822a23d