[INFO] fetching crate easygradecalculator 0.1.3...
[INFO] testing easygradecalculator-0.1.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate easygradecalculator 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate easygradecalculator 0.1.3
[INFO] finished tweaking crates.io crate easygradecalculator 0.1.3
[INFO] tweaked toml for crates.io crate easygradecalculator 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate easygradecalculator 0.1.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate easygradecalculator 0.1.3 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1adac43caace9849793faf699a97fa9567301d489625a20172df8df35252b68
[INFO] running `Command { std: "docker" "start" "-a" "c1adac43caace9849793faf699a97fa9567301d489625a20172df8df35252b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1adac43caace9849793faf699a97fa9567301d489625a20172df8df35252b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1adac43caace9849793faf699a97fa9567301d489625a20172df8df35252b68", kill_on_drop: false }`
[INFO] [stdout] c1adac43caace9849793faf699a97fa9567301d489625a20172df8df35252b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640532b7e74ddccdfdb5a84bcb0f43120ac928c3905a2f3ac31ea96ca0eb344f
[INFO] running `Command { std: "docker" "start" "-a" "640532b7e74ddccdfdb5a84bcb0f43120ac928c3905a2f3ac31ea96ca0eb344f", kill_on_drop: false }`
[INFO] [stderr]    Compiling easygradecalculator v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "640532b7e74ddccdfdb5a84bcb0f43120ac928c3905a2f3ac31ea96ca0eb344f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640532b7e74ddccdfdb5a84bcb0f43120ac928c3905a2f3ac31ea96ca0eb344f", kill_on_drop: false }`
[INFO] [stdout] 640532b7e74ddccdfdb5a84bcb0f43120ac928c3905a2f3ac31ea96ca0eb344f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0785afaee586bbdb08e8d8508f912351e19f9726743237996b59f6f8268f1cdd
[INFO] running `Command { std: "docker" "start" "-a" "0785afaee586bbdb08e8d8508f912351e19f9726743237996b59f6f8268f1cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling easygradecalculator v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `grades`
[INFO] [stdout]   --> tests/grades.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use grades::Grade;
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `grades`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file tests/grades.rs, use `mod grades` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 34 + mod grades;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `grades`
[INFO] [stdout]   --> tests/grades.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |     assert_eq!(Some(grade), grades::avg(&grade_list));
[INFO] [stdout]    |                             ^^^^^^ use of unresolved module or unlinked crate `grades`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file tests/grades.rs, use `mod grades` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 34 + mod grades;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `grades`
[INFO] [stdout]   --> tests/grades.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |     assert_eq!(None, grades::avg(&[]));
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `grades`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file tests/grades.rs, use `mod grades` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 34 + mod grades;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `grades`
[INFO] [stdout]   --> tests/grades.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         grades::avg(&[new_grade("1.0"), new_grade("2.0")])
[INFO] [stdout]    |         ^^^^^^ use of unresolved module or unlinked crate `grades`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file tests/grades.rs, use `mod grades` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 34 + mod grades;
[INFO] [stdout]    |
[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 `easygradecalculator` (test "grades") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0785afaee586bbdb08e8d8508f912351e19f9726743237996b59f6f8268f1cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0785afaee586bbdb08e8d8508f912351e19f9726743237996b59f6f8268f1cdd", kill_on_drop: false }`
[INFO] [stdout] 0785afaee586bbdb08e8d8508f912351e19f9726743237996b59f6f8268f1cdd