[INFO] fetching crate acorn 1.0.0... [INFO] testing acorn-1.0.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate acorn 1.0.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate acorn 1.0.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate acorn 1.0.0 [INFO] finished tweaking crates.io crate acorn 1.0.0 [INFO] tweaked toml for crates.io crate acorn 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 7eca69b1a32921dd231ce357ac83022f2f87c04bab947e192f5d65fa35a3b3c9 [INFO] running `Command { std: "docker" "start" "-a" "7eca69b1a32921dd231ce357ac83022f2f87c04bab947e192f5d65fa35a3b3c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7eca69b1a32921dd231ce357ac83022f2f87c04bab947e192f5d65fa35a3b3c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eca69b1a32921dd231ce357ac83022f2f87c04bab947e192f5d65fa35a3b3c9", kill_on_drop: false }` [INFO] [stdout] 7eca69b1a32921dd231ce357ac83022f2f87c04bab947e192f5d65fa35a3b3c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] d4d38f1cc540de5a29d2d0edd42fd6b87ccde04f1f4a5eb6e009d79191aa3768 [INFO] running `Command { std: "docker" "start" "-a" "d4d38f1cc540de5a29d2d0edd42fd6b87ccde04f1f4a5eb6e009d79191aa3768", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling acorn v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: incorrect unicode escape sequence [INFO] [stdout] --> src/acorn.rs:992:38 [INFO] [stdout] | [INFO] [stdout] 992 | 98 => {out.push('\u0008');; [INFO] [stdout] | ^^^--- [INFO] [stdout] | | [INFO] [stdout] | help: format of unicode escape sequences uses braces: `\u{0008}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: incorrect unicode escape sequence [INFO] [stdout] --> src/acorn.rs:994:39 [INFO] [stdout] | [INFO] [stdout] 994 | 118 => {out.push('\u000b');; [INFO] [stdout] | ^^^--- [INFO] [stdout] | | [INFO] [stdout] | help: format of unicode escape sequences uses braces: `\u{000b}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: incorrect unicode escape sequence [INFO] [stdout] --> src/acorn.rs:996:39 [INFO] [stdout] | [INFO] [stdout] 996 | 102 => {out.push('\u000c');; [INFO] [stdout] | ^^^--- [INFO] [stdout] | | [INFO] [stdout] | help: format of unicode escape sequences uses braces: `\u{000c}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: incorrect unicode escape sequence [INFO] [stdout] --> src/acorn.rs:998:38 [INFO] [stdout] | [INFO] [stdout] 998 | 48 => {out.push('\u0000');; [INFO] [stdout] | ^^^--- [INFO] [stdout] | | [INFO] [stdout] | help: format of unicode escape sequences uses braces: `\u{0000}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `|` [INFO] [stdout] --> src/acorn.rs:80:21 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn exec (regex: |arg:&str| -> bool, val:&str ) -> Option>> { [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `|` [INFO] [stdout] --> src/acorn.rs:104:21 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn test (regex: |arg:&str| -> bool, val:&str ) -> bool { [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `|` [INFO] [stdout] --> src/acorn.rs:246:23 [INFO] [stdout] | [INFO] [stdout] 246 | const isReservedWord3:|arg:&str|:'static -> bool = predicate_0; [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `serialize` [INFO] [stdout] --> src/main.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | extern crate serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `acorn` due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "d4d38f1cc540de5a29d2d0edd42fd6b87ccde04f1f4a5eb6e009d79191aa3768", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4d38f1cc540de5a29d2d0edd42fd6b87ccde04f1f4a5eb6e009d79191aa3768", kill_on_drop: false }` [INFO] [stdout] d4d38f1cc540de5a29d2d0edd42fd6b87ccde04f1f4a5eb6e009d79191aa3768