[INFO] cloning repository https://github.com/rabingaire/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rabingaire/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabingaire%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabingaire%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e02be91a432de7369387be1219727550574013ff
[INFO] testing rabingaire/rlox against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frabingaire%2Frlox" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rabingaire/rlox on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rabingaire/rlox
[INFO] finished tweaking git repo https://github.com/rabingaire/rlox
[INFO] tweaked toml for git repo https://github.com/rabingaire/rlox written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/rabingaire/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d9a89e39e69e1ad7087a21764cd9a4cd8e70712ba3867b7b820a12e114835e
[INFO] running `Command { std: "docker" "start" "-a" "93d9a89e39e69e1ad7087a21764cd9a4cd8e70712ba3867b7b820a12e114835e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d9a89e39e69e1ad7087a21764cd9a4cd8e70712ba3867b7b820a12e114835e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d9a89e39e69e1ad7087a21764cd9a4cd8e70712ba3867b7b820a12e114835e", kill_on_drop: false }`
[INFO] [stdout] 93d9a89e39e69e1ad7087a21764cd9a4cd8e70712ba3867b7b820a12e114835e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbd2b706755ba6ac9c4513ccff0ab35fc8c90b5996d37a817e00b9c3d34690d4
[INFO] running `Command { std: "docker" "start" "-a" "cbd2b706755ba6ac9c4513ccff0ab35fc8c90b5996d37a817e00b9c3d34690d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `INTERPRET_COMPILE_ERROR`
[INFO] [stdout]  --> src/vm.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   INTERPRET_COMPILE_ERROR,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `INTERPRET_RUNTIME_ERROR`
[INFO] [stdout]  --> src/vm.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   INTERPRET_RUNTIME_ERROR,
[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 13.78s
[INFO] running `Command { std: "docker" "inspect" "cbd2b706755ba6ac9c4513ccff0ab35fc8c90b5996d37a817e00b9c3d34690d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd2b706755ba6ac9c4513ccff0ab35fc8c90b5996d37a817e00b9c3d34690d4", kill_on_drop: false }`
[INFO] [stdout] cbd2b706755ba6ac9c4513ccff0ab35fc8c90b5996d37a817e00b9c3d34690d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80d13a0b4316da5a15c2fe463a6ac92678c6015827a289db08fdc5e964e6b13
[INFO] running `Command { std: "docker" "start" "-a" "d80d13a0b4316da5a15c2fe463a6ac92678c6015827a289db08fdc5e964e6b13", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `INTERPRET_COMPILE_ERROR`
[INFO] [stdout]  --> src/vm.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   INTERPRET_COMPILE_ERROR,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `INTERPRET_RUNTIME_ERROR`
[INFO] [stdout]  --> src/vm.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   INTERPRET_RUNTIME_ERROR,
[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 3.03s
[INFO] running `Command { std: "docker" "inspect" "d80d13a0b4316da5a15c2fe463a6ac92678c6015827a289db08fdc5e964e6b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80d13a0b4316da5a15c2fe463a6ac92678c6015827a289db08fdc5e964e6b13", kill_on_drop: false }`
[INFO] [stdout] d80d13a0b4316da5a15c2fe463a6ac92678c6015827a289db08fdc5e964e6b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cf22b13a83dce11415ebab58a902e3771fd4613ba11719ae714c67a2ac4faf9
[INFO] running `Command { std: "docker" "start" "-a" "1cf22b13a83dce11415ebab58a902e3771fd4613ba11719ae714c67a2ac4faf9", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `INTERPRET_COMPILE_ERROR`
[INFO] [stderr]  --> src/vm.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   INTERPRET_COMPILE_ERROR,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `INTERPRET_RUNTIME_ERROR`
[INFO] [stderr]  --> src/vm.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   INTERPRET_RUNTIME_ERROR,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-46481b610c9e1e66)
[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" "1cf22b13a83dce11415ebab58a902e3771fd4613ba11719ae714c67a2ac4faf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf22b13a83dce11415ebab58a902e3771fd4613ba11719ae714c67a2ac4faf9", kill_on_drop: false }`
[INFO] [stdout] 1cf22b13a83dce11415ebab58a902e3771fd4613ba11719ae714c67a2ac4faf9