[INFO] cloning repository https://github.com/hectorlorenzo/relox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hectorlorenzo/relox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhectorlorenzo%2Frelox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhectorlorenzo%2Frelox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a73dcc16ceb8fe301ffc825f96ce456f9bfa3caa
[INFO] testing hectorlorenzo/relox against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhectorlorenzo%2Frelox" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hectorlorenzo/relox on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hectorlorenzo/relox
[INFO] finished tweaking git repo https://github.com/hectorlorenzo/relox
[INFO] tweaked toml for git repo https://github.com/hectorlorenzo/relox written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/hectorlorenzo/relox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d51bc771099c33a28f52aafe6e2266b02aa380a67b95dfd471790c888b9526d
[INFO] running `Command { std: "docker" "start" "-a" "7d51bc771099c33a28f52aafe6e2266b02aa380a67b95dfd471790c888b9526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d51bc771099c33a28f52aafe6e2266b02aa380a67b95dfd471790c888b9526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d51bc771099c33a28f52aafe6e2266b02aa380a67b95dfd471790c888b9526d", kill_on_drop: false }`
[INFO] [stdout] 7d51bc771099c33a28f52aafe6e2266b02aa380a67b95dfd471790c888b9526d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b8b03eb5e81179dbd266e46b07a1630d731f45a9e358ea18c0085455a68ea08
[INFO] running `Command { std: "docker" "start" "-a" "3b8b03eb5e81179dbd266e46b07a1630d731f45a9e358ea18c0085455a68ea08", kill_on_drop: false }`
[INFO] [stderr]    Compiling crafting_interpreters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> src/value.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     values: Vec<Value>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/value.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn write(&mut self, value: Value) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "3b8b03eb5e81179dbd266e46b07a1630d731f45a9e358ea18c0085455a68ea08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8b03eb5e81179dbd266e46b07a1630d731f45a9e358ea18c0085455a68ea08", kill_on_drop: false }`
[INFO] [stdout] 3b8b03eb5e81179dbd266e46b07a1630d731f45a9e358ea18c0085455a68ea08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7bf7641241601cdb0ee6ad2450e8f8ad636042d2cc9142afbb079754b187e80
[INFO] running `Command { std: "docker" "start" "-a" "c7bf7641241601cdb0ee6ad2450e8f8ad636042d2cc9142afbb079754b187e80", kill_on_drop: false }`
[INFO] [stderr]    Compiling crafting_interpreters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> src/value.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     values: Vec<Value>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/value.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn write(&mut self, value: Value) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "c7bf7641241601cdb0ee6ad2450e8f8ad636042d2cc9142afbb079754b187e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7bf7641241601cdb0ee6ad2450e8f8ad636042d2cc9142afbb079754b187e80", kill_on_drop: false }`
[INFO] [stdout] c7bf7641241601cdb0ee6ad2450e8f8ad636042d2cc9142afbb079754b187e80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8310e1af6ddc6191680700b15dc409024df124d23f4d1f255efd6ec54f1e978e
[INFO] running `Command { std: "docker" "start" "-a" "8310e1af6ddc6191680700b15dc409024df124d23f4d1f255efd6ec54f1e978e", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `values`
[INFO] [stderr]  --> src/value.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     values: Vec<Value>
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/value.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn write(&mut self, value: Value) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crafting_interpreters` (bin "crafting_interpreters" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crafting_interpreters-a8bb9674df048741)
[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" "8310e1af6ddc6191680700b15dc409024df124d23f4d1f255efd6ec54f1e978e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8310e1af6ddc6191680700b15dc409024df124d23f4d1f255efd6ec54f1e978e", kill_on_drop: false }`
[INFO] [stdout] 8310e1af6ddc6191680700b15dc409024df124d23f4d1f255efd6ec54f1e978e