[INFO] cloning repository https://github.com/NoahBPeterson/rust_lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NoahBPeterson/rust_lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahBPeterson%2Frust_lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahBPeterson%2Frust_lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eddc71aab679dd291ad5f1810e45692fd1a26f93
[INFO] testing NoahBPeterson/rust_lox against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahBPeterson%2Frust_lox" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NoahBPeterson/rust_lox on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NoahBPeterson/rust_lox
[INFO] finished tweaking git repo https://github.com/NoahBPeterson/rust_lox
[INFO] tweaked toml for git repo https://github.com/NoahBPeterson/rust_lox written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/NoahBPeterson/rust_lox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 4a61e1ad0afbe28b029f48909605410baa663510d3e377ae6aa8dfe41ef5c276
[INFO] running `Command { std: "docker" "start" "-a" "4a61e1ad0afbe28b029f48909605410baa663510d3e377ae6aa8dfe41ef5c276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a61e1ad0afbe28b029f48909605410baa663510d3e377ae6aa8dfe41ef5c276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a61e1ad0afbe28b029f48909605410baa663510d3e377ae6aa8dfe41ef5c276", kill_on_drop: false }`
[INFO] [stdout] 4a61e1ad0afbe28b029f48909605410baa663510d3e377ae6aa8dfe41ef5c276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea8b7a5f4a0bea76286ac3bf3bc54e793a2778a6c7cd2c13480fc3493f00c612
[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" "ea8b7a5f4a0bea76286ac3bf3bc54e793a2778a6c7cd2c13480fc3493f00c612", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ip`
[INFO] [stdout]   --> src/vm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ip: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop`
[INFO] [stdout]   --> src/vm.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn pop(vm: &mut VM) -> f64
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InterpretCompileErrror`
[INFO] [stdout]   --> src/vm.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     InterpretCompileErrror = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `stackTop` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     stackTop: u32,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `stack_top`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "ea8b7a5f4a0bea76286ac3bf3bc54e793a2778a6c7cd2c13480fc3493f00c612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8b7a5f4a0bea76286ac3bf3bc54e793a2778a6c7cd2c13480fc3493f00c612", kill_on_drop: false }`
[INFO] [stdout] ea8b7a5f4a0bea76286ac3bf3bc54e793a2778a6c7cd2c13480fc3493f00c612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e82662bb313afcb8be721ff2e7e5d76cf76e9bdfc4e5e2820ce2b0e268ea5752
[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" "e82662bb313afcb8be721ff2e7e5d76cf76e9bdfc4e5e2820ce2b0e268ea5752", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ip`
[INFO] [stdout]   --> src/vm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ip: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop`
[INFO] [stdout]   --> src/vm.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn pop(vm: &mut VM) -> f64
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InterpretCompileErrror`
[INFO] [stdout]   --> src/vm.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     InterpretCompileErrror = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `stackTop` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     stackTop: u32,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `stack_top`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "e82662bb313afcb8be721ff2e7e5d76cf76e9bdfc4e5e2820ce2b0e268ea5752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82662bb313afcb8be721ff2e7e5d76cf76e9bdfc4e5e2820ce2b0e268ea5752", kill_on_drop: false }`
[INFO] [stdout] e82662bb313afcb8be721ff2e7e5d76cf76e9bdfc4e5e2820ce2b0e268ea5752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8ca281f55151a14c61990ac6f5224c00d9ca57b5e70111470272a745b3e53a2
[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" "d8ca281f55151a14c61990ac6f5224c00d9ca57b5e70111470272a745b3e53a2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `ip`
[INFO] [stderr]   --> src/vm.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ip: u16,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pop`
[INFO] [stderr]   --> src/vm.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn pop(vm: &mut VM) -> f64
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InterpretCompileErrror`
[INFO] [stderr]   --> src/vm.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     InterpretCompileErrror = 2,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `stackTop` should have a snake case name
[INFO] [stderr]   --> src/vm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     stackTop: u32,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case: `stack_top`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_lox` (bin "rust_lox" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_lox-17973ff33a0a6ec8)
[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" "d8ca281f55151a14c61990ac6f5224c00d9ca57b5e70111470272a745b3e53a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ca281f55151a14c61990ac6f5224c00d9ca57b5e70111470272a745b3e53a2", kill_on_drop: false }`
[INFO] [stdout] d8ca281f55151a14c61990ac6f5224c00d9ca57b5e70111470272a745b3e53a2