[INFO] cloning repository https://github.com/jhessin/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhessin/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 397b7bd83e6113231faf031cd9044b859b62a79a [INFO] checking jhessin/rust-playground against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-playground" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jhessin/rust-playground 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/jhessin/rust-playground [INFO] finished tweaking git repo https://github.com/jhessin/rust-playground [INFO] tweaked toml for git repo https://github.com/jhessin/rust-playground written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/jhessin/rust-playground 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3ab5f4078df9b29049dc97a0b708d63a7970744e6474d1abe0dea47ade0eeaf6 [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" "3ab5f4078df9b29049dc97a0b708d63a7970744e6474d1abe0dea47ade0eeaf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ab5f4078df9b29049dc97a0b708d63a7970744e6474d1abe0dea47ade0eeaf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ab5f4078df9b29049dc97a0b708d63a7970744e6474d1abe0dea47ade0eeaf6", kill_on_drop: false }` [INFO] [stdout] 3ab5f4078df9b29049dc97a0b708d63a7970744e6474d1abe0dea47ade0eeaf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d5c2683f9ca378e393369f8a0e53bc3980af1b98d2f38ec794399a10f8589d16 [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" "d5c2683f9ca378e393369f8a0e53bc3980af1b98d2f38ec794399a10f8589d16", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro) [INFO] [stderr] Checking blog v0.1.0 (/opt/rustwide/workdir/blog) [INFO] [stderr] Checking ch19-3 v0.1.0 (/opt/rustwide/workdir/ch19-3) [INFO] [stderr] Checking ch16-1-threads v0.1.0 (/opt/rustwide/workdir/ch16-1-threads) [INFO] [stderr] Checking ch18-3 v0.1.0 (/opt/rustwide/workdir/ch18-3) [INFO] [stderr] Checking ch15-6 v0.1.0 (/opt/rustwide/workdir/ch15-6) [INFO] [stderr] Checking ch16-3-mutex v0.1.0 (/opt/rustwide/workdir/ch16-3-mutex) [INFO] [stderr] Checking ch19-1 v0.1.0 (/opt/rustwide/workdir/ch19-1) [INFO] [stderr] Checking ch19-2 v0.1.0 (/opt/rustwide/workdir/ch19-2) [INFO] [stderr] Checking ch17-2 v0.1.0 (/opt/rustwide/workdir/ch17-2) [INFO] [stderr] Checking ch18-1 v0.1.0 (/opt/rustwide/workdir/ch18-1) [INFO] [stderr] Checking ch18-2 v0.1.0 (/opt/rustwide/workdir/ch18-2) [INFO] [stderr] Checking ch15-4 v0.1.0 (/opt/rustwide/workdir/ch15-4) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:157:10 [INFO] [stdout] | [INFO] [stdout] 157 | 1...5 => println!("one through five"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:185:12 [INFO] [stdout] | [INFO] [stdout] 185 | 'a'...'j' => println!( [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:189:12 [INFO] [stdout] | [INFO] [stdout] 189 | 'k'...'z' => println!( [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:1012:36 [INFO] [stdout] | [INFO] [stdout] 1012 | id: id_variable @ 3...7, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:1018:36 [INFO] [stdout] | [INFO] [stdout] 1018 | Message::Hello { id: 10...12 } => println!( [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch16-2-messages v0.1.0 (/opt/rustwide/workdir/ch16-2-messages) [INFO] [stderr] Checking smart-ptrs v0.1.0 (/opt/rustwide/workdir/smart-ptrs) [INFO] [stderr] Checking custom-smart-ptr v0.1.0 (/opt/rustwide/workdir/custom-smart-ptr) [INFO] [stderr] Checking ch15-5 v0.1.0 (/opt/rustwide/workdir/ch15-5) [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> ch18-2/src/main.rs:140:5 [INFO] [stdout] | [INFO] [stdout] 140 | / if let x = my_vec { [INFO] [stdout] 141 | | println!("The value of x is {:?}", x); [INFO] [stdout] 142 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch19-4 v0.1.0 (/opt/rustwide/workdir/ch19-4) [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> ch18-2/src/main.rs:140:5 [INFO] [stdout] | [INFO] [stdout] 140 | / if let x = my_vec { [INFO] [stdout] 141 | | println!("The value of x is {:?}", x); [INFO] [stdout] 142 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:157:10 [INFO] [stdout] | [INFO] [stdout] 157 | 1...5 => println!("one through five"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:185:12 [INFO] [stdout] | [INFO] [stdout] 185 | 'a'...'j' => println!( [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:189:12 [INFO] [stdout] | [INFO] [stdout] 189 | 'k'...'z' => println!( [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:1012:36 [INFO] [stdout] | [INFO] [stdout] 1012 | id: id_variable @ 3...7, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18-3/src/main.rs:1018:36 [INFO] [stdout] | [INFO] [stdout] 1018 | Message::Hello { id: 10...12 } => println!( [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch17-3 v0.1.0 (/opt/rustwide/workdir/ch17-3) [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro_derive) [INFO] [stderr] Checking ch19-6 v0.1.0 (/opt/rustwide/workdir/ch19-6) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.44s [INFO] running `Command { std: "docker" "inspect" "d5c2683f9ca378e393369f8a0e53bc3980af1b98d2f38ec794399a10f8589d16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5c2683f9ca378e393369f8a0e53bc3980af1b98d2f38ec794399a10f8589d16", kill_on_drop: false }` [INFO] [stdout] d5c2683f9ca378e393369f8a0e53bc3980af1b98d2f38ec794399a10f8589d16