[INFO] cloning repository https://github.com/syunta/Scheme-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syunta/Scheme-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyunta%2FScheme-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyunta%2FScheme-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e7028d38a4a6210d18b2643971953d2e744ba596 [INFO] checking syunta/Scheme-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyunta%2FScheme-rs" "/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/syunta/Scheme-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/syunta/Scheme-rs [INFO] finished tweaking git repo https://github.com/syunta/Scheme-rs [INFO] tweaked toml for git repo https://github.com/syunta/Scheme-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/syunta/Scheme-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 542fa9ed29c4c74027f86cf540464361068b2f6064f3f1f38cb144b5cf749887 [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" "542fa9ed29c4c74027f86cf540464361068b2f6064f3f1f38cb144b5cf749887", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "542fa9ed29c4c74027f86cf540464361068b2f6064f3f1f38cb144b5cf749887", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "542fa9ed29c4c74027f86cf540464361068b2f6064f3f1f38cb144b5cf749887", kill_on_drop: false }` [INFO] [stdout] 542fa9ed29c4c74027f86cf540464361068b2f6064f3f1f38cb144b5cf749887 [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09af6ef57dc955fa7760693837ba071f44b4f5a79ede83e5c2c64954c6c35715 [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" "09af6ef57dc955fa7760693837ba071f44b4f5a79ede83e5c2c64954c6c35715", kill_on_drop: false }` [INFO] [stderr] Checking scheme-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/data.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/data.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cdr` [INFO] [stdout] --> src/memory.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | fn cons(car: Obj, cdr: Obj) -> Obj { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cdr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memory.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut mem = Memory { cars: HashMap::new(), cdrs: HashMap::new() }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: use of mutable static is unsafe and requires unsafe function or block [INFO] [stdout] --> src/memory.rs:19:38 [INFO] [stdout] | [INFO] [stdout] 19 | mem.borrow_mut().cars.insert(FREE_PTR, car); [INFO] [stdout] | ^^^^^^^^ use of mutable static [INFO] [stdout] | [INFO] [stdout] = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0133`. [INFO] [stdout] [INFO] [stderr] error: could not compile `scheme-rs` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/data.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/data.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cdr` [INFO] [stdout] --> src/memory.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | fn cons(car: Obj, cdr: Obj) -> Obj { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cdr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memory.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut mem = Memory { cars: HashMap::new(), cdrs: HashMap::new() }; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0133]: use of mutable static is unsafe and requires unsafe function or block [INFO] [stdout] --> src/memory.rs:19:38 [INFO] [stdout] | [INFO] [stdout] 19 | mem.borrow_mut().cars.insert(FREE_PTR, car); [INFO] [stdout] | ^^^^^^^^ use of mutable static [INFO] [stdout] | [INFO] [stdout] = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0133`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "09af6ef57dc955fa7760693837ba071f44b4f5a79ede83e5c2c64954c6c35715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09af6ef57dc955fa7760693837ba071f44b4f5a79ede83e5c2c64954c6c35715", kill_on_drop: false }` [INFO] [stdout] 09af6ef57dc955fa7760693837ba071f44b4f5a79ede83e5c2c64954c6c35715