[INFO] fetching crate minigrep-dalingtao 0.1.1...
[INFO] testing minigrep-dalingtao-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate minigrep-dalingtao 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate minigrep-dalingtao 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minigrep-dalingtao 0.1.1
[INFO] finished tweaking crates.io crate minigrep-dalingtao 0.1.1
[INFO] tweaked toml for crates.io crate minigrep-dalingtao 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate minigrep-dalingtao 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e966d6530675aee34384a131af7e69da0c4a6df8585314416edcc2a4de40d70f
[INFO] running `Command { std: "docker" "start" "-a" "e966d6530675aee34384a131af7e69da0c4a6df8585314416edcc2a4de40d70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e966d6530675aee34384a131af7e69da0c4a6df8585314416edcc2a4de40d70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e966d6530675aee34384a131af7e69da0c4a6df8585314416edcc2a4de40d70f", kill_on_drop: false }`
[INFO] [stdout] e966d6530675aee34384a131af7e69da0c4a6df8585314416edcc2a4de40d70f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d48f68fdb36589c5c92561640a371f67d2e3d6eac63638b6845c46ee7db989f2
[INFO] running `Command { std: "docker" "start" "-a" "d48f68fdb36589c5c92561640a371f67d2e3d6eac63638b6845c46ee7db989f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep-dalingtao v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:57:68
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let res: Vec<Row> = content.split("\r\n").enumerate().filter(|(index, row)| {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "d48f68fdb36589c5c92561640a371f67d2e3d6eac63638b6845c46ee7db989f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48f68fdb36589c5c92561640a371f67d2e3d6eac63638b6845c46ee7db989f2", kill_on_drop: false }`
[INFO] [stdout] d48f68fdb36589c5c92561640a371f67d2e3d6eac63638b6845c46ee7db989f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d06a3f2d564e4a8baccc8cbba42b7b2123eb18353cd9176076ccc9ba8c103b9
[INFO] running `Command { std: "docker" "start" "-a" "4d06a3f2d564e4a8baccc8cbba42b7b2123eb18353cd9176076ccc9ba8c103b9", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:57:68
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let res: Vec<Row> = content.split("\r\n").enumerate().filter(|(index, row)| {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minigrep-dalingtao v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:57:68
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let res: Vec<Row> = content.split("\r\n").enumerate().filter(|(index, row)| {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep_dalingtao-d7b29db4eb559e9a)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_dalingtao-9279ae3eb174240f)
[INFO] running `Command { std: "docker" "inspect" "4d06a3f2d564e4a8baccc8cbba42b7b2123eb18353cd9176076ccc9ba8c103b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d06a3f2d564e4a8baccc8cbba42b7b2123eb18353cd9176076ccc9ba8c103b9", kill_on_drop: false }`
[INFO] [stdout] 4d06a3f2d564e4a8baccc8cbba42b7b2123eb18353cd9176076ccc9ba8c103b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f603dabe0f39704a7bfdc2bb393c7624d423dda83f178163ae127a22f9d2153d
[INFO] running `Command { std: "docker" "start" "-a" "f603dabe0f39704a7bfdc2bb393c7624d423dda83f178163ae127a22f9d2153d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/lib.rs:57:68
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let res: Vec<Row> = content.split("\r\n").enumerate().filter(|(index, row)| {
[INFO] [stderr]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep-dalingtao` (lib) generated 1 warning
[INFO] [stderr] warning: `minigrep-dalingtao` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep_dalingtao-d7b29db4eb559e9a)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_dalingtao-9279ae3eb174240f)
[INFO] [stdout] test tests::filter_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep-dalingtao
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - filter (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f603dabe0f39704a7bfdc2bb393c7624d423dda83f178163ae127a22f9d2153d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f603dabe0f39704a7bfdc2bb393c7624d423dda83f178163ae127a22f9d2153d", kill_on_drop: false }`
[INFO] [stdout] f603dabe0f39704a7bfdc2bb393c7624d423dda83f178163ae127a22f9d2153d