[INFO] cloning repository https://github.com/brendanzab/rust-visitors [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brendanzab/rust-visitors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrendanzab%2Frust-visitors", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrendanzab%2Frust-visitors'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 682c89da4559e8d370e94191f67a47df24cf9a9a [INFO] checking brendanzab/rust-visitors against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrendanzab%2Frust-visitors" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brendanzab/rust-visitors on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/brendanzab/rust-visitors [INFO] finished tweaking git repo https://github.com/brendanzab/rust-visitors [INFO] tweaked toml for git repo https://github.com/brendanzab/rust-visitors written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/brendanzab/rust-visitors already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a49ae6e6657ed7ba4644bcba4ffafda288e299c4463c19558e45e35ce8c48186 [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" "a49ae6e6657ed7ba4644bcba4ffafda288e299c4463c19558e45e35ce8c48186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a49ae6e6657ed7ba4644bcba4ffafda288e299c4463c19558e45e35ce8c48186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a49ae6e6657ed7ba4644bcba4ffafda288e299c4463c19558e45e35ce8c48186", kill_on_drop: false }` [INFO] [stdout] a49ae6e6657ed7ba4644bcba4ffafda288e299c4463c19558e45e35ce8c48186 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--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] c6aff825292ea35935716e189340f155285ed3d3cdfb3cad9a7baf6fbbf6443f [INFO] running `Command { std: "docker" "start" "-a" "c6aff825292ea35935716e189340f155285ed3d3cdfb3cad9a7baf6fbbf6443f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking visitors v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:19:21 [INFO] [stdout] | [INFO] [stdout] 19 | fn on_str(self, &str) -> T; [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:20:21 [INFO] [stdout] | [INFO] [stdout] 20 | fn on_num(self, f64) -> T; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:21:21 [INFO] [stdout] | [INFO] [stdout] 21 | fn on_map(self, Option) -> Self::MapVisitor; [INFO] [stdout] | ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:27:26 [INFO] [stdout] | [INFO] [stdout] 27 | fn on_key(&mut self, &str); [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:29:33 [INFO] [stdout] | [INFO] [stdout] 29 | fn collect_value(&mut self, T); [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: T` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:19:21 [INFO] [stdout] | [INFO] [stdout] 19 | fn on_str(self, &str) -> T; [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:20:21 [INFO] [stdout] | [INFO] [stdout] 20 | fn on_num(self, f64) -> T; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:21:21 [INFO] [stdout] | [INFO] [stdout] 21 | fn on_map(self, Option) -> Self::MapVisitor; [INFO] [stdout] | ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:27:26 [INFO] [stdout] | [INFO] [stdout] 27 | fn on_key(&mut self, &str); [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/json/mod.rs:29:33 [INFO] [stdout] | [INFO] [stdout] 29 | fn collect_value(&mut self, T); [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: T` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.52s [INFO] running `Command { std: "docker" "inspect" "c6aff825292ea35935716e189340f155285ed3d3cdfb3cad9a7baf6fbbf6443f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6aff825292ea35935716e189340f155285ed3d3cdfb3cad9a7baf6fbbf6443f", kill_on_drop: false }` [INFO] [stdout] c6aff825292ea35935716e189340f155285ed3d3cdfb3cad9a7baf6fbbf6443f