[INFO] cloning repository https://github.com/niharrs/Scrabble-Scorekeeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niharrs/Scrabble-Scorekeeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniharrs%2FScrabble-Scorekeeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniharrs%2FScrabble-Scorekeeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa216cd57090f249c416c8bf7b848e236a2abc7e
[INFO] testing niharrs/Scrabble-Scorekeeper against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniharrs%2FScrabble-Scorekeeper" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niharrs/Scrabble-Scorekeeper on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niharrs/Scrabble-Scorekeeper
[INFO] finished tweaking git repo https://github.com/niharrs/Scrabble-Scorekeeper
[INFO] tweaked toml for git repo https://github.com/niharrs/Scrabble-Scorekeeper written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/niharrs/Scrabble-Scorekeeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a620495563f2eca44c2d922ff9e8708d9581b445bfa0bb4d7da24be5d25da9d6
[INFO] running `Command { std: "docker" "start" "-a" "a620495563f2eca44c2d922ff9e8708d9581b445bfa0bb4d7da24be5d25da9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a620495563f2eca44c2d922ff9e8708d9581b445bfa0bb4d7da24be5d25da9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a620495563f2eca44c2d922ff9e8708d9581b445bfa0bb4d7da24be5d25da9d6", kill_on_drop: false }`
[INFO] [stdout] a620495563f2eca44c2d922ff9e8708d9581b445bfa0bb4d7da24be5d25da9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5829f5095f52fed8aaa8692dc84462732c551df9ff5086148929b0eda3a6e99a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5829f5095f52fed8aaa8692dc84462732c551df9ff5086148929b0eda3a6e99a", kill_on_drop: false }`
[INFO] [stderr]    Compiling scorekeeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/main.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let score = match scrabble_score.get(&letter) {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[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 0.42s
[INFO] running `Command { std: "docker" "inspect" "5829f5095f52fed8aaa8692dc84462732c551df9ff5086148929b0eda3a6e99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5829f5095f52fed8aaa8692dc84462732c551df9ff5086148929b0eda3a6e99a", kill_on_drop: false }`
[INFO] [stdout] 5829f5095f52fed8aaa8692dc84462732c551df9ff5086148929b0eda3a6e99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 973ac60049f6a9e5b03fb66ab2526946dcab9e2b868d77951877be475c6706a6
[INFO] running `Command { std: "docker" "start" "-a" "973ac60049f6a9e5b03fb66ab2526946dcab9e2b868d77951877be475c6706a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling scorekeeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/main.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let score = match scrabble_score.get(&letter) {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "973ac60049f6a9e5b03fb66ab2526946dcab9e2b868d77951877be475c6706a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973ac60049f6a9e5b03fb66ab2526946dcab9e2b868d77951877be475c6706a6", kill_on_drop: false }`
[INFO] [stdout] 973ac60049f6a9e5b03fb66ab2526946dcab9e2b868d77951877be475c6706a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e97100d11bf5417b8246acf7f712b7959b40ef5e6abecf7f2a7eedb4d03f6cd2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e97100d11bf5417b8246acf7f712b7959b40ef5e6abecf7f2a7eedb4d03f6cd2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]    --> src/main.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let score = match scrabble_score.get(&letter) {
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scorekeeper-12b53f7a54f61dbb)
[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" "e97100d11bf5417b8246acf7f712b7959b40ef5e6abecf7f2a7eedb4d03f6cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97100d11bf5417b8246acf7f712b7959b40ef5e6abecf7f2a7eedb4d03f6cd2", kill_on_drop: false }`
[INFO] [stdout] e97100d11bf5417b8246acf7f712b7959b40ef5e6abecf7f2a7eedb4d03f6cd2