[INFO] fetching crate parse-regex 0.0.1... [INFO] testing parse-regex-0.0.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate parse-regex 0.0.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate parse-regex 0.0.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate parse-regex 0.0.1 [INFO] finished tweaking crates.io crate parse-regex 0.0.1 [INFO] tweaked toml for crates.io crate parse-regex 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 716d9e27b6d939b2f9b2aa56b4e560b737edab3f79d5c9e05913db4c94ff3963 [INFO] running `Command { std: "docker" "start" "-a" "716d9e27b6d939b2f9b2aa56b4e560b737edab3f79d5c9e05913db4c94ff3963", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "716d9e27b6d939b2f9b2aa56b4e560b737edab3f79d5c9e05913db4c94ff3963", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "716d9e27b6d939b2f9b2aa56b4e560b737edab3f79d5c9e05913db4c94ff3963", kill_on_drop: false }` [INFO] [stdout] 716d9e27b6d939b2f9b2aa56b4e560b737edab3f79d5c9e05913db4c94ff3963 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59d9c750fc0da7faf8530171b757c8135e5fdbdd6e0bd594ab0a3b27592a967d [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" "59d9c750fc0da7faf8530171b757c8135e5fdbdd6e0bd594ab0a3b27592a967d", kill_on_drop: false }` [INFO] [stderr] Compiling parse-regex v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:26:18 [INFO] [stdout] | [INFO] [stdout] 26 | let t1 = try!(self.term()); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:29:22 [INFO] [stdout] | [INFO] [stdout] 29 | let t2 = try!(self.term()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:39:21 [INFO] [stdout] | [INFO] [stdout] 39 | let f = try!(self.factor()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let b = try!(self.base()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | let r = try!(self.regex()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `char_at` found for struct `String` in the current scope [INFO] [stdout] --> src/parser.rs:68:16 [INFO] [stdout] | [INFO] [stdout] 68 | self.s.char_at(self.pos) [INFO] [stdout] | ^^^^^^^ method not found in `String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `parse-regex` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "59d9c750fc0da7faf8530171b757c8135e5fdbdd6e0bd594ab0a3b27592a967d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59d9c750fc0da7faf8530171b757c8135e5fdbdd6e0bd594ab0a3b27592a967d", kill_on_drop: false }` [INFO] [stdout] 59d9c750fc0da7faf8530171b757c8135e5fdbdd6e0bd594ab0a3b27592a967d