[INFO] cloning repository https://github.com/zielmicha/roboot3 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zielmicha/roboot3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 54cc5f436d199bf3ad414b564e603424ea55187f [INFO] testing zielmicha/roboot3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zielmicha/roboot3 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/zielmicha/roboot3 [INFO] finished tweaking git repo https://github.com/zielmicha/roboot3 [INFO] tweaked toml for git repo https://github.com/zielmicha/roboot3 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/zielmicha/roboot3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d7e103fa67e3afb6978c3b1e9b654c5ef65d806690e685da6a1a5b4b580d6e7d [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" "d7e103fa67e3afb6978c3b1e9b654c5ef65d806690e685da6a1a5b4b580d6e7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7e103fa67e3afb6978c3b1e9b654c5ef65d806690e685da6a1a5b4b580d6e7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7e103fa67e3afb6978c3b1e9b654c5ef65d806690e685da6a1a5b4b580d6e7d", kill_on_drop: false }` [INFO] [stdout] d7e103fa67e3afb6978c3b1e9b654c5ef65d806690e685da6a1a5b4b580d6e7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aa8619df65787b458ac68decbb49418578bb47fdea360a608fb2d82768a085cb [INFO] running `Command { std: "docker" "start" "-a" "aa8619df65787b458ac68decbb49418578bb47fdea360a608fb2d82768a085cb", kill_on_drop: false }` [INFO] [stderr] Compiling typed-arena v1.7.0 [INFO] [stderr] Compiling typed-arena v2.0.1 [INFO] [stderr] Compiling dynamic-arena v0.1.2 [INFO] [stderr] Compiling roboot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/backref.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 126 | on_remove: (&'static dyn Fn(R, V) -> ()), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 126 - on_remove: (&'static dyn Fn(R, V) -> ()), [INFO] [stdout] 126 + on_remove: &'static dyn Fn(R, V) -> (), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/backref.rs:199:39 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn new(this: R, on_remove: (&'static dyn Fn(R, V) -> ())) -> Self { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 199 - pub fn new(this: R, on_remove: (&'static dyn Fn(R, V) -> ())) -> Self { [INFO] [stdout] 199 + pub fn new(this: R, on_remove: &'static dyn Fn(R, V) -> ()) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/backref.rs:242:18 [INFO] [stdout] | [INFO] [stdout] 242 | let fun_ptr: (fn(R, &ArgType) -> ()) = std::mem::transmute(fun_ptr); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 242 - let fun_ptr: (fn(R, &ArgType) -> ()) = std::mem::transmute(fun_ptr); [INFO] [stdout] 242 + let fun_ptr: fn(R, &ArgType) -> () = std::mem::transmute(fun_ptr); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `borrow_mut` [INFO] [stdout] --> src/backref.rs:38:15 [INFO] [stdout] | [INFO] [stdout] 38 | unsafe fn borrow_mut(&mut self) -> &mut T { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/backref.rs:195:12 [INFO] [stdout] | [INFO] [stdout] 195 | pub fn add(&self, a: Rc, value: V) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_this` [INFO] [stdout] --> src/backref.rs:208:12 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn get_this(&self) -> R { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "aa8619df65787b458ac68decbb49418578bb47fdea360a608fb2d82768a085cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa8619df65787b458ac68decbb49418578bb47fdea360a608fb2d82768a085cb", kill_on_drop: false }` [INFO] [stdout] aa8619df65787b458ac68decbb49418578bb47fdea360a608fb2d82768a085cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a7aaf54a26ca210211e690668bba89c54e418608b8938fd482963925167563e [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" "7a7aaf54a26ca210211e690668bba89c54e418608b8938fd482963925167563e", kill_on_drop: false }` [INFO] [stderr] Compiling roboot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/backref.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 126 | on_remove: (&'static dyn Fn(R, V) -> ()), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 126 - on_remove: (&'static dyn Fn(R, V) -> ()), [INFO] [stdout] 126 + on_remove: &'static dyn Fn(R, V) -> (), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/backref.rs:199:39 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn new(this: R, on_remove: (&'static dyn Fn(R, V) -> ())) -> Self { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 199 - pub fn new(this: R, on_remove: (&'static dyn Fn(R, V) -> ())) -> Self { [INFO] [stdout] 199 + pub fn new(this: R, on_remove: &'static dyn Fn(R, V) -> ()) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/backref.rs:242:18 [INFO] [stdout] | [INFO] [stdout] 242 | let fun_ptr: (fn(R, &ArgType) -> ()) = std::mem::transmute(fun_ptr); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 242 - let fun_ptr: (fn(R, &ArgType) -> ()) = std::mem::transmute(fun_ptr); [INFO] [stdout] 242 + let fun_ptr: fn(R, &ArgType) -> () = std::mem::transmute(fun_ptr); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `borrow_mut` [INFO] [stdout] --> src/backref.rs:38:15 [INFO] [stdout] | [INFO] [stdout] 38 | unsafe fn borrow_mut(&mut self) -> &mut T { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/backref.rs:195:12 [INFO] [stdout] | [INFO] [stdout] 195 | pub fn add(&self, a: Rc, value: V) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_this` [INFO] [stdout] --> src/backref.rs:208:12 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn get_this(&self) -> R { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `on_remove` [INFO] [stdout] --> src/backref_test.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | fn on_remove(this: R, value: i64) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.68s [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7a7aaf54a26ca210211e690668bba89c54e418608b8938fd482963925167563e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a7aaf54a26ca210211e690668bba89c54e418608b8938fd482963925167563e", kill_on_drop: false }` [INFO] [stdout] 7a7aaf54a26ca210211e690668bba89c54e418608b8938fd482963925167563e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d8fe36c52981d70b296c45082212e8141c2b9b42944301065cc16439c63b4b0a [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" "d8fe36c52981d70b296c45082212e8141c2b9b42944301065cc16439c63b4b0a", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stdout] running 1 test [INFO] [stderr] --> src/backref.rs:126:16 [INFO] [stderr] | [INFO] [stderr] 126 | on_remove: (&'static dyn Fn(R, V) -> ()), [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 126 - on_remove: (&'static dyn Fn(R, V) -> ()), [INFO] [stderr] 126 + on_remove: &'static dyn Fn(R, V) -> (), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/backref.rs:199:39 [INFO] [stderr] | [INFO] [stderr] 199 | pub fn new(this: R, on_remove: (&'static dyn Fn(R, V) -> ())) -> Self { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 199 - pub fn new(this: R, on_remove: (&'static dyn Fn(R, V) -> ())) -> Self { [INFO] [stderr] 199 + pub fn new(this: R, on_remove: &'static dyn Fn(R, V) -> ()) -> Self { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/backref.rs:242:18 [INFO] [stderr] | [INFO] [stderr] 242 | let fun_ptr: (fn(R, &ArgType) -> ()) = std::mem::transmute(fun_ptr); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 242 - let fun_ptr: (fn(R, &ArgType) -> ()) = std::mem::transmute(fun_ptr); [INFO] [stderr] 242 + let fun_ptr: fn(R, &ArgType) -> () = std::mem::transmute(fun_ptr); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `borrow_mut` [INFO] [stderr] --> src/backref.rs:38:15 [INFO] [stderr] | [INFO] [stderr] 38 | unsafe fn borrow_mut(&mut self) -> &mut T { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add` [INFO] [stderr] --> src/backref.rs:195:12 [INFO] [stderr] | [INFO] [stderr] 195 | pub fn add(&self, a: Rc, value: V) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_this` [INFO] [stderr] --> src/backref.rs:208:12 [INFO] [stderr] | [INFO] [stderr] 208 | pub fn get_this(&self) -> R { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `on_remove` [INFO] [stderr] --> src/backref_test.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | fn on_remove(this: R, value: i64) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `roboot` (bin "roboot" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/roboot-bbd54fa76cd3843c) [INFO] [stdout] test simple_tests::tests::t1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d8fe36c52981d70b296c45082212e8141c2b9b42944301065cc16439c63b4b0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8fe36c52981d70b296c45082212e8141c2b9b42944301065cc16439c63b4b0a", kill_on_drop: false }` [INFO] [stdout] d8fe36c52981d70b296c45082212e8141c2b9b42944301065cc16439c63b4b0a