[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] checking zielmicha/roboot3 against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to create directory for '/workspace/builds/worker-7-tc2/source/.git/logs/refs/remotes/origin/HEAD': No such file or directory [INFO] [stderr] error: unable to write symref for refs/remotes/origin/HEAD: No space left on device [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD [INFO] checking zielmicha/roboot3 against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to create directory for '/workspace/builds/worker-7-tc2/source/.git/logs/refs/remotes/origin/HEAD': No such file or directory [INFO] [stderr] error: unable to write symref for refs/remotes/origin/HEAD: No space left on device [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD [INFO] checking zielmicha/roboot3 against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to create directory for '/workspace/builds/worker-7-tc2/source/.git/logs/refs/remotes/origin/HEAD': No such file or directory [INFO] [stderr] error: unable to write symref for refs/remotes/origin/HEAD: No space left on device [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD [INFO] checking zielmicha/roboot3 against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to create directory for '/workspace/builds/worker-7-tc2/source/.git/logs/refs/remotes/origin/HEAD': No such file or directory [INFO] [stderr] error: unable to write symref for refs/remotes/origin/HEAD: No space left on device [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD [INFO] checking zielmicha/roboot3 against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzielmicha%2Froboot3" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zielmicha/roboot3 on toolchain 5785402183672f7786e9dc343d7b435bdaf4a4bc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "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-7-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c101b022a7b96537b8e1c41743cce55d3c0bec170e1b545a41b9633159c0327 [INFO] running `Command { std: "docker" "start" "-a" "4c101b022a7b96537b8e1c41743cce55d3c0bec170e1b545a41b9633159c0327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c101b022a7b96537b8e1c41743cce55d3c0bec170e1b545a41b9633159c0327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c101b022a7b96537b8e1c41743cce55d3c0bec170e1b545a41b9633159c0327", kill_on_drop: false }` [INFO] [stdout] 4c101b022a7b96537b8e1c41743cce55d3c0bec170e1b545a41b9633159c0327 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55c60b0c613ede11d241d88593c5aae8ca9234d78316c988e9d47d6689c2e2cb [INFO] running `Command { std: "docker" "start" "-a" "55c60b0c613ede11d241d88593c5aae8ca9234d78316c988e9d47d6689c2e2cb", kill_on_drop: false }` [INFO] [stderr] Checking typed-arena v1.7.0 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking dynamic-arena v0.1.2 [INFO] [stderr] Checking 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: 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: method `borrow_mut` is never used [INFO] [stdout] --> src/backref.rs:38:15 [INFO] [stdout] | [INFO] [stdout] 23 | impl AnyBox { [INFO] [stdout] | ----------- method in this implementation [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: methods `add` and `get_this` are never used [INFO] [stdout] --> src/backref.rs:195:12 [INFO] [stdout] | [INFO] [stdout] 163 | impl ExpandoBase { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 195 | pub fn add(&self, a: Rc, value: V) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 208 | pub fn get_this(&self) -> R { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `borrow_mut` is never used [INFO] [stdout] --> src/backref.rs:38:15 [INFO] [stdout] | [INFO] [stdout] 23 | impl AnyBox { [INFO] [stdout] | ----------- method in this implementation [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: methods `add` and `get_this` are never used [INFO] [stdout] --> src/backref.rs:195:12 [INFO] [stdout] | [INFO] [stdout] 163 | impl ExpandoBase { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 195 | pub fn add(&self, a: Rc, value: V) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 208 | pub fn get_this(&self) -> R { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `on_remove` is never used [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 `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "55c60b0c613ede11d241d88593c5aae8ca9234d78316c988e9d47d6689c2e2cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55c60b0c613ede11d241d88593c5aae8ca9234d78316c988e9d47d6689c2e2cb", kill_on_drop: false }` [INFO] [stdout] 55c60b0c613ede11d241d88593c5aae8ca9234d78316c988e9d47d6689c2e2cb