[INFO] fetching crate rust-seq2kminmers 0.1.0...
[INFO] testing rust-seq2kminmers-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rust-seq2kminmers 0.1.0 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-seq2kminmers 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nthash v0.5.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.35
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded array_tool v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.43
[INFO] [stderr]   Downloaded thiserror v1.0.35
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded syn v1.0.99
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f54f12a793ccb46d511f6178073da616d77c964973dc1c2b7f3d5cc98d81f6cb
[INFO] running `Command { std: "docker" "start" "-a" "f54f12a793ccb46d511f6178073da616d77c964973dc1c2b7f3d5cc98d81f6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f54f12a793ccb46d511f6178073da616d77c964973dc1c2b7f3d5cc98d81f6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54f12a793ccb46d511f6178073da616d77c964973dc1c2b7f3d5cc98d81f6cb", kill_on_drop: false }`
[INFO] [stdout] f54f12a793ccb46d511f6178073da616d77c964973dc1c2b7f3d5cc98d81f6cb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09eb04ea88d45ba81d323087788a8e2821d40fe9c6b5e107c3f696d971da601a
[INFO] running `Command { std: "docker" "start" "-a" "09eb04ea88d45ba81d323087788a8e2821d40fe9c6b5e107c3f696d971da601a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling nthash v0.5.1
[INFO] [stderr]    Compiling rust-seq2kminmers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "09eb04ea88d45ba81d323087788a8e2821d40fe9c6b5e107c3f696d971da601a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09eb04ea88d45ba81d323087788a8e2821d40fe9c6b5e107c3f696d971da601a", kill_on_drop: false }`
[INFO] [stdout] 09eb04ea88d45ba81d323087788a8e2821d40fe9c6b5e107c3f696d971da601a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 978b962360c3df35f54f8fe59c0dbb93d6dafa83ba47f0e3aaf77fa2b14d8203
[INFO] running `Command { std: "docker" "start" "-a" "978b962360c3df35f54f8fe59c0dbb93d6dafa83ba47f0e3aaf77fa2b14d8203", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-seq2kminmers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `fs` in this scope
[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 unresolved module or unlinked crate `fs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `fs`, use `cargo add fs` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::fs;
[INFO] [stdout]   |
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "978b962360c3df35f54f8fe59c0dbb93d6dafa83ba47f0e3aaf77fa2b14d8203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978b962360c3df35f54f8fe59c0dbb93d6dafa83ba47f0e3aaf77fa2b14d8203", kill_on_drop: false }`
[INFO] [stdout] 978b962360c3df35f54f8fe59c0dbb93d6dafa83ba47f0e3aaf77fa2b14d8203