[INFO] cloning repository https://github.com/eanyanwu/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eanyanwu/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feanyanwu%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feanyanwu%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 724ff3d8b20eeeeeb9145b879543667379776611
[INFO] testing eanyanwu/rlox against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feanyanwu%2Frlox" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eanyanwu/rlox on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eanyanwu/rlox
[INFO] finished tweaking git repo https://github.com/eanyanwu/rlox
[INFO] tweaked toml for git repo https://github.com/eanyanwu/rlox written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/eanyanwu/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d785240d92a7521c9f48e0bbef1d0e58cd1b62dc374a4aba5eb4fd90e3e3a54
[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" "9d785240d92a7521c9f48e0bbef1d0e58cd1b62dc374a4aba5eb4fd90e3e3a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d785240d92a7521c9f48e0bbef1d0e58cd1b62dc374a4aba5eb4fd90e3e3a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d785240d92a7521c9f48e0bbef1d0e58cd1b62dc374a4aba5eb4fd90e3e3a54", kill_on_drop: false }`
[INFO] [stdout] 9d785240d92a7521c9f48e0bbef1d0e58cd1b62dc374a4aba5eb4fd90e3e3a54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d93b1a5802aeebd67f8594c77161610892c3503f5d4ad625e28e7dfef3f4b68
[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" "2d93b1a5802aeebd67f8594c77161610892c3503f5d4ad625e28e7dfef3f4b68", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/parser.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn next(&self) -> Option<Token> {
[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: `previous`
[INFO] [stdout]    --> src/parser.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn previous(&self) -> Option<Token> {
[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 2.32s
[INFO] running `Command { std: "docker" "inspect" "2d93b1a5802aeebd67f8594c77161610892c3503f5d4ad625e28e7dfef3f4b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d93b1a5802aeebd67f8594c77161610892c3503f5d4ad625e28e7dfef3f4b68", kill_on_drop: false }`
[INFO] [stdout] 2d93b1a5802aeebd67f8594c77161610892c3503f5d4ad625e28e7dfef3f4b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9a1b2e3b22a80d21839da80d720cf2fae589247b90c46c039c7d5b51740650
[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" "8f9a1b2e3b22a80d21839da80d720cf2fae589247b90c46c039c7d5b51740650", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/parser.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn next(&self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `previous`
[INFO] [stdout]    --> src/parser.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn previous(&self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/parser.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn next(&self) -> Option<Token> {
[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: `previous`
[INFO] [stdout]    --> src/parser.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn previous(&self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f9a1b2e3b22a80d21839da80d720cf2fae589247b90c46c039c7d5b51740650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9a1b2e3b22a80d21839da80d720cf2fae589247b90c46c039c7d5b51740650", kill_on_drop: false }`
[INFO] [stdout] 8f9a1b2e3b22a80d21839da80d720cf2fae589247b90c46c039c7d5b51740650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad6dc997c0d988d7b5fa5c8dba1ba538ab7b32735a6d9dfeb0007d085a537be0
[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" "ad6dc997c0d988d7b5fa5c8dba1ba538ab7b32735a6d9dfeb0007d085a537be0", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]    --> src/parser.rs:192:8
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn next(&self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `previous`
[INFO] [stderr]    --> src/parser.rs:196:8
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn previous(&self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]    --> src/parser.rs:192:8
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn next(&self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `previous`
[INFO] [stderr]    --> src/parser.rs:196:8
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn previous(&self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-599dcc1021fdd0fb
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-4de53a6e7c4d13d2
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rlox
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad6dc997c0d988d7b5fa5c8dba1ba538ab7b32735a6d9dfeb0007d085a537be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6dc997c0d988d7b5fa5c8dba1ba538ab7b32735a6d9dfeb0007d085a537be0", kill_on_drop: false }`
[INFO] [stdout] ad6dc997c0d988d7b5fa5c8dba1ba538ab7b32735a6d9dfeb0007d085a537be0
