[INFO] cloning repository https://github.com/RomanAkberov/lox-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RomanAkberov/lox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomanAkberov%2Flox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomanAkberov%2Flox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43ed8f4980a7d004a37f866c030524084d514151
[INFO] testing RomanAkberov/lox-rs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomanAkberov%2Flox-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RomanAkberov/lox-rs on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RomanAkberov/lox-rs
[INFO] finished tweaking git repo https://github.com/RomanAkberov/lox-rs
[INFO] tweaked toml for git repo https://github.com/RomanAkberov/lox-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/RomanAkberov/lox-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] a2be29392dd169d59d7f70daf5f488dc662e1b3ffb847017b6d87fc5fe6f7188
[INFO] running `Command { std: "docker" "start" "-a" "a2be29392dd169d59d7f70daf5f488dc662e1b3ffb847017b6d87fc5fe6f7188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2be29392dd169d59d7f70daf5f488dc662e1b3ffb847017b6d87fc5fe6f7188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2be29392dd169d59d7f70daf5f488dc662e1b3ffb847017b6d87fc5fe6f7188", kill_on_drop: false }`
[INFO] [stdout] a2be29392dd169d59d7f70daf5f488dc662e1b3ffb847017b6d87fc5fe6f7188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5adaf081507ad4b82378f7337308713aedf14af4752b52667ffa2d65fddfc9
[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" "9b5adaf081507ad4b82378f7337308713aedf14af4752b52667ffa2d65fddfc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]  --> src/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Return,
[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 28.42s
[INFO] running `Command { std: "docker" "inspect" "9b5adaf081507ad4b82378f7337308713aedf14af4752b52667ffa2d65fddfc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5adaf081507ad4b82378f7337308713aedf14af4752b52667ffa2d65fddfc9", kill_on_drop: false }`
[INFO] [stdout] 9b5adaf081507ad4b82378f7337308713aedf14af4752b52667ffa2d65fddfc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c30d29a89e0807d46e1ca3830e4062c44969dd6c647d097ecdd09dc6115ac637
[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" "c30d29a89e0807d46e1ca3830e4062c44969dd6c647d097ecdd09dc6115ac637", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]  --> src/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Return,
[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 1.40s
[INFO] running `Command { std: "docker" "inspect" "c30d29a89e0807d46e1ca3830e4062c44969dd6c647d097ecdd09dc6115ac637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30d29a89e0807d46e1ca3830e4062c44969dd6c647d097ecdd09dc6115ac637", kill_on_drop: false }`
[INFO] [stdout] c30d29a89e0807d46e1ca3830e4062c44969dd6c647d097ecdd09dc6115ac637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] 90910c19d0c6814a14af4e303b9db0dc863f78ca109b89817cf2393ae7c343ed
[INFO] running `Command { std: "docker" "start" "-a" "90910c19d0c6814a14af4e303b9db0dc863f78ca109b89817cf2393ae7c343ed", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]  --> src/instruction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Return,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lox_rs-1054d21cf85a93b4
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test scanner::tests::empty ... ok
[INFO] [stdout] test scanner::tests::string ... ok
[INFO] [stdout] test scanner::tests::unexpected_character ... ok
[INFO] [stdout] test scanner::tests::unterminated_string ... ok
[INFO] [stdout] test scanner::tests::number ... ok
[INFO] [stdout] test scanner::tests::whitespace ... ok
[INFO] [stdout] test scanner::tests::comment ... ok
[INFO] [stdout] test scanner::tests::a_plus_b ... ok
[INFO] [stdout] test scanner::tests::keyword ... ok
[INFO] [stdout] test scanner::tests::plus ... ok
[INFO] [stdout] test scanner::tests::identifier ... ok
[INFO] [stdout] test scanner::tests::unexpected_character_and ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90910c19d0c6814a14af4e303b9db0dc863f78ca109b89817cf2393ae7c343ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90910c19d0c6814a14af4e303b9db0dc863f78ca109b89817cf2393ae7c343ed", kill_on_drop: false }`
[INFO] [stdout] 90910c19d0c6814a14af4e303b9db0dc863f78ca109b89817cf2393ae7c343ed