[INFO] fetching crate gvko-minigrep 0.1.1...
[INFO] testing gvko-minigrep-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate gvko-minigrep 0.1.1 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate gvko-minigrep 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gvko-minigrep 0.1.1
[INFO] finished tweaking crates.io crate gvko-minigrep 0.1.1
[INFO] tweaked toml for crates.io crate gvko-minigrep 0.1.1 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate crates.io crate gvko-minigrep 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d8c9bca5b5cee5d3ef5a170458844cbd6f20418e50d441f57d3d172d856a9f
[INFO] running `Command { std: "docker" "start" "-a" "93d8c9bca5b5cee5d3ef5a170458844cbd6f20418e50d441f57d3d172d856a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d8c9bca5b5cee5d3ef5a170458844cbd6f20418e50d441f57d3d172d856a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d8c9bca5b5cee5d3ef5a170458844cbd6f20418e50d441f57d3d172d856a9f", kill_on_drop: false }`
[INFO] [stdout] 93d8c9bca5b5cee5d3ef5a170458844cbd6f20418e50d441f57d3d172d856a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9ab943f5922541aad2e385fc1479ecad724f956c4cab1c07a7f42f8440de49e
[INFO] running `Command { std: "docker" "start" "-a" "a9ab943f5922541aad2e385fc1479ecad724f956c4cab1c07a7f42f8440de49e", kill_on_drop: false }`
[INFO] [stderr]    Compiling gvko-minigrep v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `results` is never read
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut results = Vec::new();
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "a9ab943f5922541aad2e385fc1479ecad724f956c4cab1c07a7f42f8440de49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ab943f5922541aad2e385fc1479ecad724f956c4cab1c07a7f42f8440de49e", kill_on_drop: false }`
[INFO] [stdout] a9ab943f5922541aad2e385fc1479ecad724f956c4cab1c07a7f42f8440de49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bd6ac5c8873408d1ebe725d4835807e7f7414303aff5905b18e724fc0774e89
[INFO] running `Command { std: "docker" "start" "-a" "9bd6ac5c8873408d1ebe725d4835807e7f7414303aff5905b18e724fc0774e89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: value assigned to `results` is never read
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut results = Vec::new();
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gvko-minigrep v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `results` is never read
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut results = Vec::new();
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "9bd6ac5c8873408d1ebe725d4835807e7f7414303aff5905b18e724fc0774e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd6ac5c8873408d1ebe725d4835807e7f7414303aff5905b18e724fc0774e89", kill_on_drop: false }`
[INFO] [stdout] 9bd6ac5c8873408d1ebe725d4835807e7f7414303aff5905b18e724fc0774e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6103ff5b4a23dd293760639b3e8be89ab3259b532c10c1eb95b7560f027c761f
[INFO] running `Command { std: "docker" "start" "-a" "6103ff5b4a23dd293760639b3e8be89ab3259b532c10c1eb95b7560f027c761f", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `results` is never read
[INFO] [stderr]   --> src/lib.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut results = Vec::new();
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `gvko-minigrep` (lib) generated 1 warning
[INFO] [stderr] warning: `gvko-minigrep` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gvko_minigrep-1970a6aabac99309)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gvko_minigrep-a12ddaf1663043c9)
[INFO] [stderr]    Doc-tests gvko-minigrep
[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 - search (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6103ff5b4a23dd293760639b3e8be89ab3259b532c10c1eb95b7560f027c761f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6103ff5b4a23dd293760639b3e8be89ab3259b532c10c1eb95b7560f027c761f", kill_on_drop: false }`
[INFO] [stdout] 6103ff5b4a23dd293760639b3e8be89ab3259b532c10c1eb95b7560f027c761f