[INFO] cloning repository https://github.com/tritone4/RustTrain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tritone4/RustTrain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftritone4%2FRustTrain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftritone4%2FRustTrain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24cf9a14fcb58b9be5732bf4a4f7f3be82d456f5
[INFO] checking tritone4/RustTrain against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftritone4%2FRustTrain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tritone4/RustTrain on toolchain a5db378dc14a40dd1580c27fb8362156446382c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tritone4/RustTrain
[INFO] finished tweaking git repo https://github.com/tritone4/RustTrain
[INFO] tweaked toml for git repo https://github.com/tritone4/RustTrain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tritone4/RustTrain 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" "+a5db378dc14a40dd1580c27fb8362156446382c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87c67808aaf4d580195355c32311b568cc1e70e24af22c642967d3673c57d431
[INFO] running `Command { std: "docker" "start" "-a" "87c67808aaf4d580195355c32311b568cc1e70e24af22c642967d3673c57d431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c67808aaf4d580195355c32311b568cc1e70e24af22c642967d3673c57d431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c67808aaf4d580195355c32311b568cc1e70e24af22c642967d3673c57d431", kill_on_drop: false }`
[INFO] [stdout] 87c67808aaf4d580195355c32311b568cc1e70e24af22c642967d3673c57d431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e35efe02d815bd21429b399976d182fb02419ef0031bbabd70de8cd954b69c3d
[INFO] running `Command { std: "docker" "start" "-a" "e35efe02d815bd21429b399976d182fb02419ef0031bbabd70de8cd954b69c3d", kill_on_drop: false }`
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rand;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rand;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guessing_game` (bin "guessing_game" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `guessing_game` (bin "guessing_game") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e35efe02d815bd21429b399976d182fb02419ef0031bbabd70de8cd954b69c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35efe02d815bd21429b399976d182fb02419ef0031bbabd70de8cd954b69c3d", kill_on_drop: false }`
[INFO] [stdout] e35efe02d815bd21429b399976d182fb02419ef0031bbabd70de8cd954b69c3d