[INFO] fetching crate gvko-minigrep 0.1.1...
[INFO] testing gvko-minigrep-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate gvko-minigrep 0.1.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate gvko-minigrep 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-28/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9e2791929414681d0b0c4a296ea99912c7b2128c95ded5a068cf48b59589cd0
[INFO] running `Command { std: "docker" "start" "-a" "e9e2791929414681d0b0c4a296ea99912c7b2128c95ded5a068cf48b59589cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e2791929414681d0b0c4a296ea99912c7b2128c95ded5a068cf48b59589cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e2791929414681d0b0c4a296ea99912c7b2128c95ded5a068cf48b59589cd0", kill_on_drop: false }`
[INFO] [stdout] e9e2791929414681d0b0c4a296ea99912c7b2128c95ded5a068cf48b59589cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e693084ff016616c6b2609b71db7e55e33a293624110a5aea327928bc9f64c1e
[INFO] running `Command { std: "docker" "start" "-a" "e693084ff016616c6b2609b71db7e55e33a293624110a5aea327928bc9f64c1e", 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 1.48s
[INFO] running `Command { std: "docker" "inspect" "e693084ff016616c6b2609b71db7e55e33a293624110a5aea327928bc9f64c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e693084ff016616c6b2609b71db7e55e33a293624110a5aea327928bc9f64c1e", kill_on_drop: false }`
[INFO] [stdout] e693084ff016616c6b2609b71db7e55e33a293624110a5aea327928bc9f64c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ca175a3000c6a33c0388430e1515104d2e738e322cfc19393b409ae187a83bf
[INFO] running `Command { std: "docker" "start" "-a" "0ca175a3000c6a33c0388430e1515104d2e738e322cfc19393b409ae187a83bf", 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] [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 0.46s
[INFO] running `Command { std: "docker" "inspect" "0ca175a3000c6a33c0388430e1515104d2e738e322cfc19393b409ae187a83bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca175a3000c6a33c0388430e1515104d2e738e322cfc19393b409ae187a83bf", kill_on_drop: false }`
[INFO] [stdout] 0ca175a3000c6a33c0388430e1515104d2e738e322cfc19393b409ae187a83bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 674abe77c2502994fc299f8119235944a756d83d5e1bef3cb558b576f84638b1
[INFO] running `Command { std: "docker" "start" "-a" "674abe77c2502994fc299f8119235944a756d83d5e1bef3cb558b576f84638b1", 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 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gvko_minigrep-b140a3f31a002f26)
[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-ebf3c36abdb68b85)
[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] [stderr]    Doc-tests gvko-minigrep
[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 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "674abe77c2502994fc299f8119235944a756d83d5e1bef3cb558b576f84638b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674abe77c2502994fc299f8119235944a756d83d5e1bef3cb558b576f84638b1", kill_on_drop: false }`
[INFO] [stdout] 674abe77c2502994fc299f8119235944a756d83d5e1bef3cb558b576f84638b1