[INFO] cloning repository https://github.com/jamesr/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesr/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesr%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesr%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 664ce7fdf2c42add9642ba8cc35588c271b183de
[INFO] checking jamesr/rlox against master#4b9792692fbb675174d4d2082e7c37b2bc930e71 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesr%2Frlox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jamesr/rlox
[INFO] finished tweaking git repo https://github.com/jamesr/rlox
[INFO] tweaked toml for git repo https://github.com/jamesr/rlox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jamesr/rlox on toolchain 4b9792692fbb675174d4d2082e7c37b2bc930e71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jamesr/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d912b0abfcde2c963e43f7cfac1437882a5fe8132d1206edda487cbf490dada
[INFO] running `Command { std: "docker" "start" "-a" "4d912b0abfcde2c963e43f7cfac1437882a5fe8132d1206edda487cbf490dada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d912b0abfcde2c963e43f7cfac1437882a5fe8132d1206edda487cbf490dada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d912b0abfcde2c963e43f7cfac1437882a5fe8132d1206edda487cbf490dada", kill_on_drop: false }`
[INFO] [stdout] 4d912b0abfcde2c963e43f7cfac1437882a5fe8132d1206edda487cbf490dada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f943b46a8b93e271f16eac1d9fbba2990c44a61c1be9e13b074a6e586df87c
[INFO] running `Command { std: "docker" "start" "-a" "11f943b46a8b93e271f16eac1d9fbba2990c44a61c1be9e13b074a6e586df87c", kill_on_drop: false }`
[INFO] [stderr]     Checking by_address v1.0.4
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `alloc_array` is never used
[INFO] [stdout]   --> src/gc.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | trait AllocRaw {
[INFO] [stdout]    |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 96 |     fn alloc_array<T>(&self, size_bytes: usize) -> Result<RawPtr<u8>, AllocError>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/eval.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn env_mut(&self) -> std::cell::RefMut<env::Env> {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn env_mut(&self) -> std::cell::RefMut<'_, env::Env> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/scanner.rs:125:36
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn new(source: &'a str) -> Scanner {
[INFO] [stdout]     |                         --         ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn new(source: &'a str) -> Scanner<'a> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:273:14
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn state(&self) -> std::cell::Ref<State> {
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn state(&self) -> std::cell::Ref<'_, State> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:277:18
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn state_mut(&self) -> std::cell::RefMut<State> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn state_mut(&self) -> std::cell::RefMut<'_, State> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc_array` is never used
[INFO] [stdout]   --> src/gc.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | trait AllocRaw {
[INFO] [stdout]    |       -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 96 |     fn alloc_array<T>(&self, size_bytes: usize) -> Result<RawPtr<u8>, AllocError>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/eval.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn env_mut(&self) -> std::cell::RefMut<env::Env> {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn env_mut(&self) -> std::cell::RefMut<'_, env::Env> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/scanner.rs:125:36
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn new(source: &'a str) -> Scanner {
[INFO] [stdout]     |                         --         ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn new(source: &'a str) -> Scanner<'a> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:273:14
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn state(&self) -> std::cell::Ref<State> {
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn state(&self) -> std::cell::Ref<'_, State> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:277:18
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn state_mut(&self) -> std::cell::RefMut<State> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn state_mut(&self) -> std::cell::RefMut<'_, State> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "11f943b46a8b93e271f16eac1d9fbba2990c44a61c1be9e13b074a6e586df87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f943b46a8b93e271f16eac1d9fbba2990c44a61c1be9e13b074a6e586df87c", kill_on_drop: false }`
[INFO] [stdout] 11f943b46a8b93e271f16eac1d9fbba2990c44a61c1be9e13b074a6e586df87c
