[INFO] cloning repository https://github.com/chkimes/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chkimes/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchkimes%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchkimes%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82f97fbb8ad0b3f259a36bb1b496aa2c30e818e8
[INFO] testing chkimes/rlox against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchkimes%2Frlox" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chkimes/rlox on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chkimes/rlox
[INFO] finished tweaking git repo https://github.com/chkimes/rlox
[INFO] tweaked toml for git repo https://github.com/chkimes/rlox written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/chkimes/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41590f91c706e5fb3b74b929b941da5ee898f463663caa5da0b4246b6b7374a4
[INFO] running `Command { std: "docker" "start" "-a" "41590f91c706e5fb3b74b929b941da5ee898f463663caa5da0b4246b6b7374a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41590f91c706e5fb3b74b929b941da5ee898f463663caa5da0b4246b6b7374a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41590f91c706e5fb3b74b929b941da5ee898f463663caa5da0b4246b6b7374a4", kill_on_drop: false }`
[INFO] [stdout] 41590f91c706e5fb3b74b929b941da5ee898f463663caa5da0b4246b6b7374a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac20e0d7ec50ec5ae2bec8954c3e4e092a90678ada6263e737166754a3226c4
[INFO] running `Command { std: "docker" "start" "-a" "eac20e0d7ec50ec5ae2bec8954c3e4e092a90678ada6263e737166754a3226c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `emit_bytes`
[INFO] [stdout]    --> src/compiler.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn emit_bytes(&mut self, byte1: u8, byte2: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> src/memory.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     values: Vec<Box<dyn Any>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `manage`
[INFO] [stdout]   --> src/memory.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn manage<T: 'static>(&mut self, obj: T) -> Ref<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/memory.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/vm.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn peek(&mut self, distance: usize) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free_objects`
[INFO] [stdout]    --> src/vm.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn free_objects(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.40s
[INFO] running `Command { std: "docker" "inspect" "eac20e0d7ec50ec5ae2bec8954c3e4e092a90678ada6263e737166754a3226c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac20e0d7ec50ec5ae2bec8954c3e4e092a90678ada6263e737166754a3226c4", kill_on_drop: false }`
[INFO] [stdout] eac20e0d7ec50ec5ae2bec8954c3e4e092a90678ada6263e737166754a3226c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2640f36a131ac80e984d33b2251f38158126d44711afbffc877ef16859c74d9f
[INFO] running `Command { std: "docker" "start" "-a" "2640f36a131ac80e984d33b2251f38158126d44711afbffc877ef16859c74d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `emit_bytes`
[INFO] [stdout]    --> src/compiler.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn emit_bytes(&mut self, byte1: u8, byte2: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> src/memory.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     values: Vec<Box<dyn Any>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `manage`
[INFO] [stdout]   --> src/memory.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn manage<T: 'static>(&mut self, obj: T) -> Ref<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/memory.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/vm.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn peek(&mut self, distance: usize) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free_objects`
[INFO] [stdout]    --> src/vm.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn free_objects(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "2640f36a131ac80e984d33b2251f38158126d44711afbffc877ef16859c74d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2640f36a131ac80e984d33b2251f38158126d44711afbffc877ef16859c74d9f", kill_on_drop: false }`
[INFO] [stdout] 2640f36a131ac80e984d33b2251f38158126d44711afbffc877ef16859c74d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 193fbc95235b932ea1bbb9e12f0935415c2083a509137e3e2d8b3ee682954e7e
[INFO] running `Command { std: "docker" "start" "-a" "193fbc95235b932ea1bbb9e12f0935415c2083a509137e3e2d8b3ee682954e7e", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `emit_bytes`
[INFO] [stderr]    --> src/compiler.rs:222:8
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn emit_bytes(&mut self, byte1: u8, byte2: u8) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `values`
[INFO] [stderr]  --> src/memory.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     values: Vec<Box<dyn Any>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `manage`
[INFO] [stderr]   --> src/memory.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn manage<T: 'static>(&mut self, obj: T) -> Ref<T> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/memory.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek`
[INFO] [stderr]   --> src/vm.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn peek(&mut self, distance: usize) -> Value {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `free_objects`
[INFO] [stderr]    --> src/vm.rs:149:8
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn free_objects(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-3a4d2f778dc5af33)
[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" "193fbc95235b932ea1bbb9e12f0935415c2083a509137e3e2d8b3ee682954e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193fbc95235b932ea1bbb9e12f0935415c2083a509137e3e2d8b3ee682954e7e", kill_on_drop: false }`
[INFO] [stdout] 193fbc95235b932ea1bbb9e12f0935415c2083a509137e3e2d8b3ee682954e7e