[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 master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaad-py%2FKWIC-Index-Rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Saad-py/KWIC-Index-Rust on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98d2f1ba9c4e07b9bb7a0a1d74bd4fd892a159264aa5e33c23df4501478d9ec0
[INFO] running `Command { std: "docker" "start" "-a" "98d2f1ba9c4e07b9bb7a0a1d74bd4fd892a159264aa5e33c23df4501478d9ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98d2f1ba9c4e07b9bb7a0a1d74bd4fd892a159264aa5e33c23df4501478d9ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d2f1ba9c4e07b9bb7a0a1d74bd4fd892a159264aa5e33c23df4501478d9ec0", kill_on_drop: false }`
[INFO] [stdout] 98d2f1ba9c4e07b9bb7a0a1d74bd4fd892a159264aa5e33c23df4501478d9ec0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 028286e06941d670cae6d589dacc38adb30d4991e26c8d67640229fb0690d18e
[INFO] running `Command { std: "docker" "start" "-a" "028286e06941d670cae6d589dacc38adb30d4991e26c8d67640229fb0690d18e", 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]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "028286e06941d670cae6d589dacc38adb30d4991e26c8d67640229fb0690d18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028286e06941d670cae6d589dacc38adb30d4991e26c8d67640229fb0690d18e", kill_on_drop: false }`
[INFO] [stdout] 028286e06941d670cae6d589dacc38adb30d4991e26c8d67640229fb0690d18e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eed2874e5e4641af4283049264799f3c4aad10a07b99d540f0555f4b6d299b1
[INFO] running `Command { std: "docker" "start" "-a" "6eed2874e5e4641af4283049264799f3c4aad10a07b99d540f0555f4b6d299b1", 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]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "6eed2874e5e4641af4283049264799f3c4aad10a07b99d540f0555f4b6d299b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eed2874e5e4641af4283049264799f3c4aad10a07b99d540f0555f4b6d299b1", kill_on_drop: false }`
[INFO] [stdout] 6eed2874e5e4641af4283049264799f3c4aad10a07b99d540f0555f4b6d299b1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d8dbcb5b8119b10addff1b531bb434e7c25c4f1adda2a27dd1703013dad78c7
[INFO] running `Command { std: "docker" "start" "-a" "9d8dbcb5b8119b10addff1b531bb434e7c25c4f1adda2a27dd1703013dad78c7", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `word` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:49:21
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 49 |             let mut word = a.to_string();
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kwic_index` (bin "kwic_index" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kwic_index-50dd86a4793a1f27)
[INFO] running `Command { std: "docker" "inspect" "9d8dbcb5b8119b10addff1b531bb434e7c25c4f1adda2a27dd1703013dad78c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8dbcb5b8119b10addff1b531bb434e7c25c4f1adda2a27dd1703013dad78c7", kill_on_drop: false }`
[INFO] [stdout] 9d8dbcb5b8119b10addff1b531bb434e7c25c4f1adda2a27dd1703013dad78c7