[INFO] cloning repository https://github.com/n4to4/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4to4/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43d2731f4c6b6821e39891b0be9c9a91dc961be4
[INFO] testing n4to4/rlox against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Frlox" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n4to4/rlox on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n4to4/rlox
[INFO] finished tweaking git repo https://github.com/n4to4/rlox
[INFO] tweaked toml for git repo https://github.com/n4to4/rlox written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/n4to4/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 6909fed3ea3265d63d908369b23aea35da20078fbc6c6183029ec0a84cbfb371
[INFO] running `Command { std: "docker" "start" "-a" "6909fed3ea3265d63d908369b23aea35da20078fbc6c6183029ec0a84cbfb371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6909fed3ea3265d63d908369b23aea35da20078fbc6c6183029ec0a84cbfb371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6909fed3ea3265d63d908369b23aea35da20078fbc6c6183029ec0a84cbfb371", kill_on_drop: false }`
[INFO] [stdout] 6909fed3ea3265d63d908369b23aea35da20078fbc6c6183029ec0a84cbfb371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] a2b81fb27bb5dfc08b72e85e7582e93c012f176d69a387b0c5ada08b6dee923e
[INFO] running `Command { std: "docker" "start" "-a" "a2b81fb27bb5dfc08b72e85e7582e93c012f176d69a387b0c5ada08b6dee923e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:549:24
[INFO] [stdout]     |
[INFO] [stdout] 549 |     fn and_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:558:23
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn or_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.02s
[INFO] running `Command { std: "docker" "inspect" "a2b81fb27bb5dfc08b72e85e7582e93c012f176d69a387b0c5ada08b6dee923e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b81fb27bb5dfc08b72e85e7582e93c012f176d69a387b0c5ada08b6dee923e", kill_on_drop: false }`
[INFO] [stdout] a2b81fb27bb5dfc08b72e85e7582e93c012f176d69a387b0c5ada08b6dee923e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 224316c0d55e8c8cb2294269f52f01c595893e632a93f8f06ee26fe33c15c507
[INFO] running `Command { std: "docker" "start" "-a" "224316c0d55e8c8cb2294269f52f01c595893e632a93f8f06ee26fe33c15c507", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:549:24
[INFO] [stdout]     |
[INFO] [stdout] 549 |     fn and_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:558:23
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn or_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:549:24
[INFO] [stdout]     |
[INFO] [stdout] 549 |     fn and_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:558:23
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn or_(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "224316c0d55e8c8cb2294269f52f01c595893e632a93f8f06ee26fe33c15c507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224316c0d55e8c8cb2294269f52f01c595893e632a93f8f06ee26fe33c15c507", kill_on_drop: false }`
[INFO] [stdout] 224316c0d55e8c8cb2294269f52f01c595893e632a93f8f06ee26fe33c15c507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] fd6261e9d325b040ed54a410159427b297c7ec7aa4cca260fb0a5080b4e39c6d
[INFO] running `Command { std: "docker" "start" "-a" "fd6261e9d325b040ed54a410159427b297c7ec7aa4cca260fb0a5080b4e39c6d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:549:24
[INFO] [stderr]     |
[INFO] [stderr] 549 |     fn and_(&mut self, can_assign: bool) {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:558:23
[INFO] [stderr]     |
[INFO] [stderr] 558 |     fn or_(&mut self, can_assign: bool) {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (lib) generated 2 warnings
[INFO] [stderr] warning: `rlox` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-36b9552d36fd6893)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test scanner::tests::scan_empty_source ... ok
[INFO] [stdout] test scanner::tests::scan_random_identifier ... ok
[INFO] [stdout] test scanner::tests::scan_token_bug_regression ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-05882ac330376d52)
[INFO] [stdout] test scanner::tests::scan_keywords ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[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" "fd6261e9d325b040ed54a410159427b297c7ec7aa4cca260fb0a5080b4e39c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6261e9d325b040ed54a410159427b297c7ec7aa4cca260fb0a5080b4e39c6d", kill_on_drop: false }`
[INFO] [stdout] fd6261e9d325b040ed54a410159427b297c7ec7aa4cca260fb0a5080b4e39c6d