[INFO] cloning repository https://github.com/Saad-py/KWIC-Index-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Saad-py/KWIC-Index-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaad-py%2FKWIC-Index-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaad-py%2FKWIC-Index-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdd66265520d6817521e3befb2f2c857e4e8f69a
[INFO] testing Saad-py/KWIC-Index-Rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaad-py%2FKWIC-Index-Rust" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Saad-py/KWIC-Index-Rust 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 git repo https://github.com/Saad-py/KWIC-Index-Rust
[INFO] finished tweaking git repo https://github.com/Saad-py/KWIC-Index-Rust
[INFO] tweaked toml for git repo https://github.com/Saad-py/KWIC-Index-Rust written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/Saad-py/KWIC-Index-Rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 0215f560c9bd67af1424e8028042967a258752532ed4758ffd16083d43e030b3
[INFO] running `Command { std: "docker" "start" "-a" "0215f560c9bd67af1424e8028042967a258752532ed4758ffd16083d43e030b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0215f560c9bd67af1424e8028042967a258752532ed4758ffd16083d43e030b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0215f560c9bd67af1424e8028042967a258752532ed4758ffd16083d43e030b3", kill_on_drop: false }`
[INFO] [stdout] 0215f560c9bd67af1424e8028042967a258752532ed4758ffd16083d43e030b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 7a27e36ab49d6bd1a571d0f5a2671656b1e41774381520c7b4b27345f9c4e6ec
[INFO] running `Command { std: "docker" "start" "-a" "7a27e36ab49d6bd1a571d0f5a2671656b1e41774381520c7b4b27345f9c4e6ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kwic_index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `word` is never read
[INFO] [stdout]   --> src/main.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let mut word = a.to_string();
[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 3.93s
[INFO] running `Command { std: "docker" "inspect" "7a27e36ab49d6bd1a571d0f5a2671656b1e41774381520c7b4b27345f9c4e6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a27e36ab49d6bd1a571d0f5a2671656b1e41774381520c7b4b27345f9c4e6ec", kill_on_drop: false }`
[INFO] [stdout] 7a27e36ab49d6bd1a571d0f5a2671656b1e41774381520c7b4b27345f9c4e6ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 4a714db4a2fd2e8e574d83c7d83644fdad351cc978bda5453204e1d6eb7bf5e8
[INFO] running `Command { std: "docker" "start" "-a" "4a714db4a2fd2e8e574d83c7d83644fdad351cc978bda5453204e1d6eb7bf5e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwic_index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `word` is never read
[INFO] [stdout]   --> src/main.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let mut word = a.to_string();
[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 0.43s
[INFO] running `Command { std: "docker" "inspect" "4a714db4a2fd2e8e574d83c7d83644fdad351cc978bda5453204e1d6eb7bf5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a714db4a2fd2e8e574d83c7d83644fdad351cc978bda5453204e1d6eb7bf5e8", kill_on_drop: false }`
[INFO] [stdout] 4a714db4a2fd2e8e574d83c7d83644fdad351cc978bda5453204e1d6eb7bf5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] ec02c8cad7fc7ee6ca0106749155e3a8cac579642149925d5900ce7fd7792c50
[INFO] running `Command { std: "docker" "start" "-a" "ec02c8cad7fc7ee6ca0106749155e3a8cac579642149925d5900ce7fd7792c50", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `word` is never read
[INFO] [stderr]   --> src/main.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |             let mut word = a.to_string();
[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: `kwic_index` (bin "kwic_index" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kwic_index-af233288ba0a5012)
[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] running `Command { std: "docker" "inspect" "ec02c8cad7fc7ee6ca0106749155e3a8cac579642149925d5900ce7fd7792c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec02c8cad7fc7ee6ca0106749155e3a8cac579642149925d5900ce7fd7792c50", kill_on_drop: false }`
[INFO] [stdout] ec02c8cad7fc7ee6ca0106749155e3a8cac579642149925d5900ce7fd7792c50