[INFO] cloning repository https://github.com/codec-abc/rustLox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codec-abc/rustLox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodec-abc%2FrustLox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodec-abc%2FrustLox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fddc06ef778e9b0c339cbb6a06466d971ca8cf9
[INFO] checking codec-abc/rustLox against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodec-abc%2FrustLox" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codec-abc/rustLox on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codec-abc/rustLox
[INFO] finished tweaking git repo https://github.com/codec-abc/rustLox
[INFO] tweaked toml for git repo https://github.com/codec-abc/rustLox written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate git repo https://github.com/codec-abc/rustLox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc70d4e58859c9daedb0fcee84ae55e91ad24cbd809952b9e530dc7127151162
[INFO] running `Command { std: "docker" "start" "-a" "cc70d4e58859c9daedb0fcee84ae55e91ad24cbd809952b9e530dc7127151162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc70d4e58859c9daedb0fcee84ae55e91ad24cbd809952b9e530dc7127151162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc70d4e58859c9daedb0fcee84ae55e91ad24cbd809952b9e530dc7127151162", kill_on_drop: false }`
[INFO] [stdout] cc70d4e58859c9daedb0fcee84ae55e91ad24cbd809952b9e530dc7127151162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5f6c05da4a8f210f22e55bdeccf395fb2c184d00b9da36bc29bf0a6d6305b14
[INFO] running `Command { std: "docker" "start" "-a" "d5f6c05da4a8f210f22e55bdeccf395fb2c184d00b9da36bc29bf0a6d6305b14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking rust_lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/compiler.rs:313:42
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn add_local(&mut self, name: Token, vm: &mut VM) {
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/compiler.rs:540:47
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn resolve_local(&mut self, name: &Token, vm: &mut VM) -> isize {
[INFO] [stdout]     |                                               ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/compiler.rs:313:42
[INFO] [stdout]     |
[INFO] [stdout] 313 |     fn add_local(&mut self, name: Token, vm: &mut VM) {
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/compiler.rs:540:47
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn resolve_local(&mut self, name: &Token, vm: &mut VM) -> isize {
[INFO] [stdout]     |                                               ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_object`
[INFO] [stdout]   --> src/value.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn is_object(&self) -> bool {
[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: `remove_string`
[INFO] [stdout]    --> src/vm.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 347 |     pub fn remove_string(&mut self, string: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_object`
[INFO] [stdout]   --> src/value.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn is_object(&self) -> bool {
[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: `remove_string`
[INFO] [stdout]    --> src/vm.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 347 |     pub fn remove_string(&mut self, string: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.11s
[INFO] running `Command { std: "docker" "inspect" "d5f6c05da4a8f210f22e55bdeccf395fb2c184d00b9da36bc29bf0a6d6305b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f6c05da4a8f210f22e55bdeccf395fb2c184d00b9da36bc29bf0a6d6305b14", kill_on_drop: false }`
[INFO] [stdout] d5f6c05da4a8f210f22e55bdeccf395fb2c184d00b9da36bc29bf0a6d6305b14