[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#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-playground" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jhessin/rust-playground on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-15/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4360af99f3496099360309324bb416d4d7711e263f011b03e89d8acb454d6f40 [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" "4360af99f3496099360309324bb416d4d7711e263f011b03e89d8acb454d6f40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4360af99f3496099360309324bb416d4d7711e263f011b03e89d8acb454d6f40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4360af99f3496099360309324bb416d4d7711e263f011b03e89d8acb454d6f40", kill_on_drop: false }` [INFO] [stdout] 4360af99f3496099360309324bb416d4d7711e263f011b03e89d8acb454d6f40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98052afcf3a5da9da9c83fc4f66137a4918e7420468152733e3fe15f88123fd6 [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" "98052afcf3a5da9da9c83fc4f66137a4918e7420468152733e3fe15f88123fd6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [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 smart-ptrs v0.1.0 (/opt/rustwide/workdir/smart-ptrs) [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 ch15-4 v0.1.0 (/opt/rustwide/workdir/ch15-4) [INFO] [stderr] Checking ch19-3 v0.1.0 (/opt/rustwide/workdir/ch19-3) [INFO] [stderr] Checking custom-smart-ptr v0.1.0 (/opt/rustwide/workdir/custom-smart-ptr) [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 ch16-2-messages v0.1.0 (/opt/rustwide/workdir/ch16-2-messages) [INFO] [stderr] Checking ch19-2 v0.1.0 (/opt/rustwide/workdir/ch19-2) [INFO] [stderr] Checking ch18-2 v0.1.0 (/opt/rustwide/workdir/ch18-2) [INFO] [stderr] Checking ch15-5 v0.1.0 (/opt/rustwide/workdir/ch15-5) [INFO] [stderr] Checking ch19-4 v0.1.0 (/opt/rustwide/workdir/ch19-4) [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] [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch17-3 v0.1.0 (/opt/rustwide/workdir/ch17-3) [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] [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking quote v0.6.12 [INFO] [stderr] Checking 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 6.21s [INFO] running `Command { std: "docker" "inspect" "98052afcf3a5da9da9c83fc4f66137a4918e7420468152733e3fe15f88123fd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98052afcf3a5da9da9c83fc4f66137a4918e7420468152733e3fe15f88123fd6", kill_on_drop: false }` [INFO] [stdout] 98052afcf3a5da9da9c83fc4f66137a4918e7420468152733e3fe15f88123fd6