[INFO] cloning repository https://github.com/charlesdunbar/crafting-interpreters-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlesdunbar/crafting-interpreters-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesdunbar%2Fcrafting-interpreters-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesdunbar%2Fcrafting-interpreters-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c0ed760c3f0aaf378dac320ff39a237ef4c73bb
[INFO] testing charlesdunbar/crafting-interpreters-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesdunbar%2Fcrafting-interpreters-rust" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charlesdunbar/crafting-interpreters-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charlesdunbar/crafting-interpreters-rust
[INFO] finished tweaking git repo https://github.com/charlesdunbar/crafting-interpreters-rust
[INFO] tweaked toml for git repo https://github.com/charlesdunbar/crafting-interpreters-rust written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/charlesdunbar/crafting-interpreters-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a584fec452c4e04885156a24e4a8d869d6137840ff08b104bb7bbff7490fc6c
[INFO] running `Command { std: "docker" "start" "-a" "6a584fec452c4e04885156a24e4a8d869d6137840ff08b104bb7bbff7490fc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a584fec452c4e04885156a24e4a8d869d6137840ff08b104bb7bbff7490fc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a584fec452c4e04885156a24e4a8d869d6137840ff08b104bb7bbff7490fc6c", kill_on_drop: false }`
[INFO] [stdout] 6a584fec452c4e04885156a24e4a8d869d6137840ff08b104bb7bbff7490fc6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a15ab2530f4fba9f2e1faca96d28522318d115743251c339b41163b55193517
[INFO] running `Command { std: "docker" "start" "-a" "5a15ab2530f4fba9f2e1faca96d28522318d115743251c339b41163b55193517", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     line: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 19.77s
[INFO] running `Command { std: "docker" "inspect" "5a15ab2530f4fba9f2e1faca96d28522318d115743251c339b41163b55193517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a15ab2530f4fba9f2e1faca96d28522318d115743251c339b41163b55193517", kill_on_drop: false }`
[INFO] [stdout] 5a15ab2530f4fba9f2e1faca96d28522318d115743251c339b41163b55193517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fc20afb2b3a1bf0803ff5efafcb84487a1bd5d52f0252a138be15dd3ae73fad
[INFO] running `Command { std: "docker" "start" "-a" "8fc20afb2b3a1bf0803ff5efafcb84487a1bd5d52f0252a138be15dd3ae73fad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     line: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2.40s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/jlox-3ba390fa5a25f6de)
[INFO] running `Command { std: "docker" "inspect" "8fc20afb2b3a1bf0803ff5efafcb84487a1bd5d52f0252a138be15dd3ae73fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc20afb2b3a1bf0803ff5efafcb84487a1bd5d52f0252a138be15dd3ae73fad", kill_on_drop: false }`
[INFO] [stdout] 8fc20afb2b3a1bf0803ff5efafcb84487a1bd5d52f0252a138be15dd3ae73fad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91cb9c003cbd7ef86120a3cc4887c139e84d2232dfe6343b37c0929e45681108
[INFO] running `Command { std: "docker" "start" "-a" "91cb9c003cbd7ef86120a3cc4887c139e84d2232dfe6343b37c0929e45681108", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stdout] 
[INFO] [stderr]   --> src/token.rs:21:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 21 |     line: usize,
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jlox` (bin "jlox" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.65s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jlox-3ba390fa5a25f6de)
[INFO] running `Command { std: "docker" "inspect" "91cb9c003cbd7ef86120a3cc4887c139e84d2232dfe6343b37c0929e45681108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cb9c003cbd7ef86120a3cc4887c139e84d2232dfe6343b37c0929e45681108", kill_on_drop: false }`
[INFO] [stdout] 91cb9c003cbd7ef86120a3cc4887c139e84d2232dfe6343b37c0929e45681108