[INFO] cloning repository https://github.com/brb/coolc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brb/coolc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrb%2Fcoolc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrb%2Fcoolc-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b0819957478e39ece69cc82c68f298869cef9de4 [INFO] testing brb/coolc-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrb%2Fcoolc-rs" "/workspace/builds/worker-118/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brb/coolc-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/brb/coolc-rs [INFO] finished tweaking git repo https://github.com/brb/coolc-rs [INFO] tweaked toml for git repo https://github.com/brb/coolc-rs written to /workspace/builds/worker-118/source/Cargo.toml [INFO] crate git repo https://github.com/brb/coolc-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8314648f81a2e73acd20dcd2227900534918b4a386bdca086f980d4ce438eee5 [INFO] running `Command { std: "docker" "start" "-a" "8314648f81a2e73acd20dcd2227900534918b4a386bdca086f980d4ce438eee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8314648f81a2e73acd20dcd2227900534918b4a386bdca086f980d4ce438eee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8314648f81a2e73acd20dcd2227900534918b4a386bdca086f980d4ce438eee5", kill_on_drop: false }` [INFO] [stdout] 8314648f81a2e73acd20dcd2227900534918b4a386bdca086f980d4ce438eee5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed8114c2ab925cfb6f7cc445a892ff8a7c1d28478bfc7bf4538e7cf131c71fa9 [INFO] running `Command { std: "docker" "start" "-a" "ed8114c2ab925cfb6f7cc445a892ff8a7c1d28478bfc7bf4538e7cf131c71fa9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling coolc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::io::Chars` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::Chars; [INFO] [stdout] | ^^^^^^^^^^^^^^ no `Chars` in `io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:116:20 [INFO] [stdout] | [INFO] [stdout] 116 | while self.is_digit() { [INFO] [stdout] | ^^^^^^^^ cannot infer type for type parameter `T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:125:20 [INFO] [stdout] | [INFO] [stdout] 125 | while self.is_digit() || self.is_letter() { [INFO] [stdout] | ^^^^^^^^ cannot infer type for type parameter `T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:186:26 [INFO] [stdout] | [INFO] [stdout] 186 | else if self.is_eof() { [INFO] [stdout] | ^^^^^^ cannot infer type for type parameter `T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:202:26 [INFO] [stdout] | [INFO] [stdout] 202 | else if self.is_eof() { [INFO] [stdout] | ^^^^^^ cannot infer type for type parameter `T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:219:17 [INFO] [stdout] | [INFO] [stdout] 219 | if self.is_digit() { [INFO] [stdout] | ^^^^^^^^ cannot infer type for type parameter `T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `chars` found for struct `File` in the current scope [INFO] [stdout] --> src/main.rs:295:41 [INFO] [stdout] | [INFO] [stdout] 295 | let mut scanner = Scanner::new(file.chars()); [INFO] [stdout] | ^^^^^ method not found in `File` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `coolc-rs` due to 8 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "ed8114c2ab925cfb6f7cc445a892ff8a7c1d28478bfc7bf4538e7cf131c71fa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed8114c2ab925cfb6f7cc445a892ff8a7c1d28478bfc7bf4538e7cf131c71fa9", kill_on_drop: false }` [INFO] [stdout] ed8114c2ab925cfb6f7cc445a892ff8a7c1d28478bfc7bf4538e7cf131c71fa9