[INFO] cloning repository https://github.com/chris-oo/crafting-interpreters-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chris-oo/crafting-interpreters-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-oo%2Fcrafting-interpreters-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-oo%2Fcrafting-interpreters-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0358390d2d6489a9203e2bc16403bcb602c7a5cb [INFO] testing chris-oo/crafting-interpreters-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-oo%2Fcrafting-interpreters-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chris-oo/crafting-interpreters-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chris-oo/crafting-interpreters-rust [INFO] finished tweaking git repo https://github.com/chris-oo/crafting-interpreters-rust [INFO] tweaked toml for git repo https://github.com/chris-oo/crafting-interpreters-rust written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/chris-oo/crafting-interpreters-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-derive v0.3.0 [INFO] [stderr] Downloaded totems v0.2.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1fe11cf24c3dfcf8f40376b5002be6104607501da3a799d362e0cbf90c19fcd0 [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" "1fe11cf24c3dfcf8f40376b5002be6104607501da3a799d362e0cbf90c19fcd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fe11cf24c3dfcf8f40376b5002be6104607501da3a799d362e0cbf90c19fcd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fe11cf24c3dfcf8f40376b5002be6104607501da3a799d362e0cbf90c19fcd0", kill_on_drop: false }` [INFO] [stdout] 1fe11cf24c3dfcf8f40376b5002be6104607501da3a799d362e0cbf90c19fcd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4581f80074a2c90310dbbafef8a4a70340bdbbadbf2a86de28ca7588310b75c [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" "c4581f80074a2c90310dbbafef8a4a70340bdbbadbf2a86de28ca7588310b75c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling totems v0.2.7 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling num-derive v0.3.0 [INFO] [stderr] Compiling rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:265:26 [INFO] [stdout] | [INFO] [stdout] 265 | fn number(&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:272:26 [INFO] [stdout] | [INFO] [stdout] 272 | fn string(&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: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:315:28 [INFO] [stdout] | [INFO] [stdout] 315 | fn grouping(&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: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:320:25 [INFO] [stdout] | [INFO] [stdout] 320 | fn unary(&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: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:376:26 [INFO] [stdout] | [INFO] [stdout] 376 | fn binary(&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: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:400:27 [INFO] [stdout] | [INFO] [stdout] 400 | fn literal(&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: associated function is never used: `reset` [INFO] [stdout] --> src/chunk.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn reset(&mut self) { [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/lox_string_table.rs:288:12 [INFO] [stdout] | [INFO] [stdout] 288 | pub fn remove_string(&mut self, string: &LoxString) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.10s [INFO] running `Command { std: "docker" "inspect" "c4581f80074a2c90310dbbafef8a4a70340bdbbadbf2a86de28ca7588310b75c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4581f80074a2c90310dbbafef8a4a70340bdbbadbf2a86de28ca7588310b75c", kill_on_drop: false }` [INFO] [stdout] c4581f80074a2c90310dbbafef8a4a70340bdbbadbf2a86de28ca7588310b75c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a54fd909839577d36051fec4beecd9619619fa20bd945dffa57cfc62e2b72998 [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" "a54fd909839577d36051fec4beecd9619619fa20bd945dffa57cfc62e2b72998", kill_on_drop: false }` [INFO] [stderr] Compiling rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:265:26 [INFO] [stdout] | [INFO] [stdout] 265 | fn number(&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:272:26 [INFO] [stdout] | [INFO] [stdout] 272 | fn string(&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: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:315:28 [INFO] [stdout] | [INFO] [stdout] 315 | fn grouping(&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: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:320:25 [INFO] [stdout] | [INFO] [stdout] 320 | fn unary(&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: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:376:26 [INFO] [stdout] | [INFO] [stdout] 376 | fn binary(&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: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:400:27 [INFO] [stdout] | [INFO] [stdout] 400 | fn literal(&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: associated function is never used: `reset` [INFO] [stdout] --> src/chunk.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_check_keyword` [INFO] [stdout] --> src/scanner.rs:491:8 [INFO] [stdout] | [INFO] [stdout] 491 | fn test_check_keyword() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `keywords_test` [INFO] [stdout] --> src/scanner.rs:519:8 [INFO] [stdout] | [INFO] [stdout] 519 | fn keywords_test() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.89s [INFO] running `Command { std: "docker" "inspect" "a54fd909839577d36051fec4beecd9619619fa20bd945dffa57cfc62e2b72998", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a54fd909839577d36051fec4beecd9619619fa20bd945dffa57cfc62e2b72998", kill_on_drop: false }` [INFO] [stdout] a54fd909839577d36051fec4beecd9619619fa20bd945dffa57cfc62e2b72998 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9eca870b9d5689686c6c6bb983973f8660cc2d656d02579d99c79b64a571d5db [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" "9eca870b9d5689686c6c6bb983973f8660cc2d656d02579d99c79b64a571d5db", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:265:26 [INFO] [stderr] | [INFO] [stderr] 265 | fn number(&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:272:26 [INFO] [stderr] | [INFO] [stderr] 272 | fn string(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:315:28 [INFO] [stderr] | [INFO] [stderr] 315 | fn grouping(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:320:25 [INFO] [stderr] | [INFO] [stderr] 320 | fn unary(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:376:26 [INFO] [stderr] | [INFO] [stderr] 376 | fn binary(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:400:27 [INFO] [stderr] | [INFO] [stderr] 400 | fn literal(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `reset` [INFO] [stderr] --> src/chunk.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn reset(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_check_keyword` [INFO] [stderr] --> src/scanner.rs:491:8 [INFO] [stderr] | [INFO] [stderr] 491 | fn test_check_keyword() {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `keywords_test` [INFO] [stderr] --> src/scanner.rs:519:8 [INFO] [stderr] | [INFO] [stderr] 519 | fn keywords_test() {} [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rlox-d1a9a0420482475a) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test lox_string_table::tests::concatenate_test ... ok [INFO] [stdout] test scanner::tests::peek_next_test ... ok [INFO] [stdout] test lox_string_table::tests::box_allocate ... ok [INFO] [stdout] test lox_string_table::tests::test_remove ... ok [INFO] [stdout] test scanner::tests::skip_whitespace_test ... ok [INFO] [stdout] test lox_string_table::tests::basic_test ... ok [INFO] [stdout] test scanner::tests::simple_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9eca870b9d5689686c6c6bb983973f8660cc2d656d02579d99c79b64a571d5db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eca870b9d5689686c6c6bb983973f8660cc2d656d02579d99c79b64a571d5db", kill_on_drop: false }` [INFO] [stdout] 9eca870b9d5689686c6c6bb983973f8660cc2d656d02579d99c79b64a571d5db