[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] testing jhessin/rust-playground against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-playground" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jhessin/rust-playground on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] f052ffeba64c36aece6efa93cced6024a5f83c3efe9b7a55ab45819f2029f48a
[INFO] running `Command { std: "docker" "start" "-a" "f052ffeba64c36aece6efa93cced6024a5f83c3efe9b7a55ab45819f2029f48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f052ffeba64c36aece6efa93cced6024a5f83c3efe9b7a55ab45819f2029f48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f052ffeba64c36aece6efa93cced6024a5f83c3efe9b7a55ab45819f2029f48a", kill_on_drop: false }`
[INFO] [stdout] f052ffeba64c36aece6efa93cced6024a5f83c3efe9b7a55ab45819f2029f48a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f708d0f02a266c8bc7f8273dc84972680217286275d97febb37b4562e8df96e6
[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" "f708d0f02a266c8bc7f8273dc84972680217286275d97febb37b4562e8df96e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]    Compiling ch19-4 v0.1.0 (/opt/rustwide/workdir/ch19-4)
[INFO] [stderr]    Compiling ch15-5 v0.1.0 (/opt/rustwide/workdir/ch15-5)
[INFO] [stderr]    Compiling ch16-2-messages v0.1.0 (/opt/rustwide/workdir/ch16-2-messages)
[INFO] [stderr]    Compiling ch16-3-mutex v0.1.0 (/opt/rustwide/workdir/ch16-3-mutex)
[INFO] [stderr]    Compiling smart-ptrs v0.1.0 (/opt/rustwide/workdir/smart-ptrs)
[INFO] [stderr]    Compiling custom-smart-ptr v0.1.0 (/opt/rustwide/workdir/custom-smart-ptr)
[INFO] [stderr]    Compiling ch19-3 v0.1.0 (/opt/rustwide/workdir/ch19-3)
[INFO] [stderr]    Compiling ch19-2 v0.1.0 (/opt/rustwide/workdir/ch19-2)
[INFO] [stderr]    Compiling ch17-2 v0.1.0 (/opt/rustwide/workdir/ch17-2)
[INFO] [stderr]    Compiling ch15-4 v0.1.0 (/opt/rustwide/workdir/ch15-4)
[INFO] [stderr]    Compiling ch18-3 v0.1.0 (/opt/rustwide/workdir/ch18-3)
[INFO] [stderr]    Compiling ch15-6 v0.1.0 (/opt/rustwide/workdir/ch15-6)
[INFO] [stderr]    Compiling ch19-1 v0.1.0 (/opt/rustwide/workdir/ch19-1)
[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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch16-1-threads v0.1.0 (/opt/rustwide/workdir/ch16-1-threads)
[INFO] [stderr]    Compiling ch18-2 v0.1.0 (/opt/rustwide/workdir/ch18-2)
[INFO] [stderr]    Compiling ch18-1 v0.1.0 (/opt/rustwide/workdir/ch18-1)
[INFO] [stderr]    Compiling 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro_derive)
[INFO] [stderr]    Compiling ch19-6 v0.1.0 (/opt/rustwide/workdir/ch19-6)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "f708d0f02a266c8bc7f8273dc84972680217286275d97febb37b4562e8df96e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f708d0f02a266c8bc7f8273dc84972680217286275d97febb37b4562e8df96e6", kill_on_drop: false }`
[INFO] [stdout] f708d0f02a266c8bc7f8273dc84972680217286275d97febb37b4562e8df96e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 182c94e98001f46c9234d9013fb28b7c45ec14467d9a45491d8b4b5deac6d3f6
[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" "182c94e98001f46c9234d9013fb28b7c45ec14467d9a45491d8b4b5deac6d3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom-smart-ptr v0.1.0 (/opt/rustwide/workdir/custom-smart-ptr)
[INFO] [stderr]    Compiling ch18-3 v0.1.0 (/opt/rustwide/workdir/ch18-3)
[INFO] [stderr]    Compiling ch16-2-messages v0.1.0 (/opt/rustwide/workdir/ch16-2-messages)
[INFO] [stderr]    Compiling ch16-3-mutex v0.1.0 (/opt/rustwide/workdir/ch16-3-mutex)
[INFO] [stderr]    Compiling ch19-1 v0.1.0 (/opt/rustwide/workdir/ch19-1)
[INFO] [stderr]    Compiling smart-ptrs v0.1.0 (/opt/rustwide/workdir/smart-ptrs)
[INFO] [stderr]    Compiling ch18-1 v0.1.0 (/opt/rustwide/workdir/ch18-1)
[INFO] [stderr]    Compiling ch16-1-threads v0.1.0 (/opt/rustwide/workdir/ch16-1-threads)
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]    Compiling ch15-4 v0.1.0 (/opt/rustwide/workdir/ch15-4)
[INFO] [stderr]    Compiling ch19-4 v0.1.0 (/opt/rustwide/workdir/ch19-4)
[INFO] [stderr]    Compiling hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]    Compiling ch17-2 v0.1.0 (/opt/rustwide/workdir/ch17-2)
[INFO] [stderr]    Compiling ch18-2 v0.1.0 (/opt/rustwide/workdir/ch18-2)
[INFO] [stderr]    Compiling ch15-5 v0.1.0 (/opt/rustwide/workdir/ch15-5)
[INFO] [stderr]    Compiling ch15-6 v0.1.0 (/opt/rustwide/workdir/ch15-6)
[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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] [stderr]    Compiling ch19-2 v0.1.0 (/opt/rustwide/workdir/ch19-2)
[INFO] [stderr]    Compiling ch19-3 v0.1.0 (/opt/rustwide/workdir/ch19-3)
[INFO] [stderr]    Compiling ch17-3 v0.1.0 (/opt/rustwide/workdir/ch17-3)
[INFO] [stderr]    Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro_derive)
[INFO] [stderr]    Compiling ch19-6 v0.1.0 (/opt/rustwide/workdir/ch19-6)
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "182c94e98001f46c9234d9013fb28b7c45ec14467d9a45491d8b4b5deac6d3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182c94e98001f46c9234d9013fb28b7c45ec14467d9a45491d8b4b5deac6d3f6", kill_on_drop: false }`
[INFO] [stdout] 182c94e98001f46c9234d9013fb28b7c45ec14467d9a45491d8b4b5deac6d3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 943e7c71fe489d00f8ba6d3acb5aa51d5b4e3966e15c4c428fc5173402379007
[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" "943e7c71fe489d00f8ba6d3acb5aa51d5b4e3966e15c4c428fc5173402379007", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> ch18-3/src/main.rs:157:10
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 157 |         1...5 => println!("one through five"),
[INFO] [stdout] 
[INFO] [stderr]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> ch18-3/src/main.rs:185:12
[INFO] [stderr]     |
[INFO] [stderr] 185 |         'a'...'j' => println!(
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> ch18-3/src/main.rs:189:12
[INFO] [stderr]     |
[INFO] [stderr] 189 |         'k'...'z' => println!(
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> ch18-3/src/main.rs:1012:36
[INFO] [stderr]      |
[INFO] [stderr] 1012 |                 id: id_variable @ 3...7,
[INFO] [stderr]      |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> ch18-3/src/main.rs:1018:36
[INFO] [stderr]      |
[INFO] [stderr] 1018 |             Message::Hello { id: 10...12 } => println!(
[INFO] [stderr]      |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]    --> ch18-2/src/main.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 | /     if let x = my_vec {
[INFO] [stderr] 141 | |         println!("The value of x is {:?}", x);
[INFO] [stderr] 142 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]     = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blog-b5e459fc4cfe3bd2)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch15_4-9af7e6f0e902df28)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch15_5-380a0700fa3cdaf1)
[INFO] [stdout] running 0 tests
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[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch15_6-f05098304a98c66a)
[INFO] [stdout] test tests::it_sends_an_over_75_percent_warning_message ... ok
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch16_1_threads-bd67f593ea85a6c4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch16_2_messages-657f6655583fc47d)
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[INFO] [stdout] 
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch17_3-5401d092bf5dd625)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch18_1-426ecde8c7bc0adb)
[INFO] [stdout] test approved_post_has_matching_content ... ok
[INFO] [stdout] test draft_can_be_submitted_for_review ... ok
[INFO] [stdout] test review_post_can_be_approved ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch18_2-99f4fd978b40cb10)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch18_3-5a8deee12ecb8c95)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch19_2-31151cb5724bc6e6)
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch19_4-08db288d12ce2c26)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch19_6-60e9dd1e1b61e7fa)
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/custom_smart_ptr-f14b807c4b73a426)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_macro-95ff1f7342c124a2)
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_macro_derive-3325bd2588a22835)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/smart_ptrs-d42ffeffc63e0d11)
[INFO] [stdout] running 0 tests
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[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::box_test ... ok
[INFO] [stderr]    Doc-tests blog
[INFO] [stdout] test tests::coercion_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ch17-3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello_macro
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello_macro_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "943e7c71fe489d00f8ba6d3acb5aa51d5b4e3966e15c4c428fc5173402379007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943e7c71fe489d00f8ba6d3acb5aa51d5b4e3966e15c4c428fc5173402379007", kill_on_drop: false }`
[INFO] [stdout] 943e7c71fe489d00f8ba6d3acb5aa51d5b4e3966e15c4c428fc5173402379007