[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhectorlorenzo%2Frelox" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hectorlorenzo/relox on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 93207cc425025b85ddef792ebf9b8fc78d39b8fbe1dcb1e248daf30f1d63f084
[INFO] running `Command { std: "docker" "start" "-a" "93207cc425025b85ddef792ebf9b8fc78d39b8fbe1dcb1e248daf30f1d63f084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93207cc425025b85ddef792ebf9b8fc78d39b8fbe1dcb1e248daf30f1d63f084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93207cc425025b85ddef792ebf9b8fc78d39b8fbe1dcb1e248daf30f1d63f084", kill_on_drop: false }`
[INFO] [stdout] 93207cc425025b85ddef792ebf9b8fc78d39b8fbe1dcb1e248daf30f1d63f084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f8b05c2dad50b77546fed257f459d1de6729b8a459a1f0766a3000874117574
[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" "5f8b05c2dad50b77546fed257f459d1de6729b8a459a1f0766a3000874117574", 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "5f8b05c2dad50b77546fed257f459d1de6729b8a459a1f0766a3000874117574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8b05c2dad50b77546fed257f459d1de6729b8a459a1f0766a3000874117574", kill_on_drop: false }`
[INFO] [stdout] 5f8b05c2dad50b77546fed257f459d1de6729b8a459a1f0766a3000874117574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4f6048cc3aebe662bc46f745b04e35a74807fa460ab6bae8fdf67c6e8417e6
[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" "ff4f6048cc3aebe662bc46f745b04e35a74807fa460ab6bae8fdf67c6e8417e6", 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "ff4f6048cc3aebe662bc46f745b04e35a74807fa460ab6bae8fdf67c6e8417e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4f6048cc3aebe662bc46f745b04e35a74807fa460ab6bae8fdf67c6e8417e6", kill_on_drop: false }`
[INFO] [stdout] ff4f6048cc3aebe662bc46f745b04e35a74807fa460ab6bae8fdf67c6e8417e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0be0d8c4e8c7bfc41afa89e7dd8f7be6844fd7c280acfcbea102f3076dca22b1
[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" "0be0d8c4e8c7bfc41afa89e7dd8f7be6844fd7c280acfcbea102f3076dca22b1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `values`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/value.rs:4:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 |     values: Vec<Value>
[INFO] [stdout] 
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crafting_interpreters-f684175d7585fc62)
[INFO] running `Command { std: "docker" "inspect" "0be0d8c4e8c7bfc41afa89e7dd8f7be6844fd7c280acfcbea102f3076dca22b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be0d8c4e8c7bfc41afa89e7dd8f7be6844fd7c280acfcbea102f3076dca22b1", kill_on_drop: false }`
[INFO] [stdout] 0be0d8c4e8c7bfc41afa89e7dd8f7be6844fd7c280acfcbea102f3076dca22b1