[INFO] cloning repository https://github.com/jwong101/lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwong101/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwong101%2Flox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwong101%2Flox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7bbfa395fdb47dbe983864c303e881425e72fc84 [INFO] checking jwong101/lox against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwong101%2Flox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jwong101/lox [INFO] finished tweaking git repo https://github.com/jwong101/lox [INFO] tweaked toml for git repo https://github.com/jwong101/lox written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jwong101/lox on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jwong101/lox 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.1 [INFO] [stderr] Downloaded thiserror v1.0.31 [INFO] [stderr] Downloaded output_vt100 v0.1.3 [INFO] [stderr] Downloaded termcolor v1.1.3 [INFO] [stderr] Downloaded os_str_bytes v6.1.0 [INFO] [stderr] Downloaded terminal_size v0.1.17 [INFO] [stderr] Downloaded clap_derive v3.2.7 [INFO] [stderr] Downloaded indexmap v1.9.1 [INFO] [stderr] Downloaded anyhow v1.0.58 [INFO] [stderr] Downloaded hashbrown v0.12.1 [INFO] [stderr] Downloaded pretty_assertions v1.2.1 [INFO] [stderr] Downloaded textwrap v0.15.0 [INFO] [stderr] Downloaded once_cell v1.12.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.40 [INFO] [stderr] Downloaded quote v1.0.20 [INFO] [stderr] Downloaded syn v1.0.98 [INFO] [stderr] Downloaded thiserror-impl v1.0.31 [INFO] [stderr] Downloaded clap v3.2.8 [INFO] [stderr] Downloaded ctor v0.1.22 [INFO] [stderr] Downloaded libc v0.2.126 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 34c3bed648e689ddb769d27059079a841a6cc914911f3b61f048e2c9a574891d [INFO] running `Command { std: "docker" "start" "-a" "34c3bed648e689ddb769d27059079a841a6cc914911f3b61f048e2c9a574891d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34c3bed648e689ddb769d27059079a841a6cc914911f3b61f048e2c9a574891d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34c3bed648e689ddb769d27059079a841a6cc914911f3b61f048e2c9a574891d", kill_on_drop: false }` [INFO] [stdout] 34c3bed648e689ddb769d27059079a841a6cc914911f3b61f048e2c9a574891d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 554035bfb351f04cadd8d004c4f56c93f725319645e7abee756be6ff8a48d62b [INFO] running `Command { std: "docker" "start" "-a" "554035bfb351f04cadd8d004c4f56c93f725319645e7abee756be6ff8a48d62b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking pretty_assertions v1.2.1 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling clap_derive v3.2.7 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking clap v3.2.8 [INFO] [stderr] Checking lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/parser.rs:149:24 [INFO] [stdout] | [INFO] [stdout] 149 | && let Ok(expr) = self.expression() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(is_some_with, let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `is_some_with` [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(is_some_with, let_chains)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/parser.rs:149:24 [INFO] [stdout] | [INFO] [stdout] 149 | && let Ok(expr) = self.expression() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(is_some_with, let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `is_some_with` [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(is_some_with, let_chains)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lox` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lox` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "554035bfb351f04cadd8d004c4f56c93f725319645e7abee756be6ff8a48d62b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "554035bfb351f04cadd8d004c4f56c93f725319645e7abee756be6ff8a48d62b", kill_on_drop: false }` [INFO] [stdout] 554035bfb351f04cadd8d004c4f56c93f725319645e7abee756be6ff8a48d62b