[INFO] fetching crate rust-seq2kminmers 0.1.0...
[INFO] checking rust-seq2kminmers-0.1.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate rust-seq2kminmers 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rust-seq2kminmers 0.1.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-seq2kminmers 0.1.0
[INFO] finished tweaking crates.io crate rust-seq2kminmers 0.1.0
[INFO] tweaked toml for crates.io crate rust-seq2kminmers 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust-seq2kminmers 0.1.0 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_tool v1.0.3
[INFO] [stderr]   Downloaded nthash v0.5.1
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03f82d25b4a191780007ca19c5ad44cbaa103a4f26ea231227ee98245f8ff5b2
[INFO] running `Command { std: "docker" "start" "-a" "03f82d25b4a191780007ca19c5ad44cbaa103a4f26ea231227ee98245f8ff5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03f82d25b4a191780007ca19c5ad44cbaa103a4f26ea231227ee98245f8ff5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f82d25b4a191780007ca19c5ad44cbaa103a4f26ea231227ee98245f8ff5b2", kill_on_drop: false }`
[INFO] [stdout] 03f82d25b4a191780007ca19c5ad44cbaa103a4f26ea231227ee98245f8ff5b2
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2ca9f4059b43b032d84cf964c36c466a51b907939e7ebb6f54c62a703312c8
[INFO] running `Command { std: "docker" "start" "-a" "bc2ca9f4059b43b032d84cf964c36c466a51b907939e7ebb6f54c62a703312c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]     Checking nthash v0.5.1
[INFO] [stderr]     Checking rust-seq2kminmers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `fs`
[INFO] [stdout]  --> tests/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let contents = fs::read_to_string(genome_file).expect("Failed to read test genome file").split("\n").collect()[1].strip();
[INFO] [stdout]   |                    ^^ use of undeclared crate or module `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-seq2kminmers` (test "main") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bc2ca9f4059b43b032d84cf964c36c466a51b907939e7ebb6f54c62a703312c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2ca9f4059b43b032d84cf964c36c466a51b907939e7ebb6f54c62a703312c8", kill_on_drop: false }`
[INFO] [stdout] bc2ca9f4059b43b032d84cf964c36c466a51b907939e7ebb6f54c62a703312c8
