[INFO] cloning repository https://github.com/huwb/learningrust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huwb/learningrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwb%2Flearningrust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwb%2Flearningrust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 419b6eacb02bba0520897cba8888fb5184f3a1b8 [INFO] checking huwb/learningrust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwb%2Flearningrust" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/huwb/learningrust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/huwb/learningrust [INFO] finished tweaking git repo https://github.com/huwb/learningrust [INFO] tweaked toml for git repo https://github.com/huwb/learningrust written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/huwb/learningrust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.3.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f8f49b7c308f989e05351360e352fff29ce6491116bacfeb52f1084ba2e18d1 [INFO] running `Command { std: "docker" "start" "-a" "8f8f49b7c308f989e05351360e352fff29ce6491116bacfeb52f1084ba2e18d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f8f49b7c308f989e05351360e352fff29ce6491116bacfeb52f1084ba2e18d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f8f49b7c308f989e05351360e352fff29ce6491116bacfeb52f1084ba2e18d1", kill_on_drop: false }` [INFO] [stdout] 8f8f49b7c308f989e05351360e352fff29ce6491116bacfeb52f1084ba2e18d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d4938ac7fa90eb768537da232f181f97d342c797e3b4e35296f599c23eadf82 [INFO] running `Command { std: "docker" "start" "-a" "1d4938ac7fa90eb768537da232f181f97d342c797e3b4e35296f599c23eadf82", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking rand v0.3.19 [INFO] [stderr] Checking simple-stopwatch v0.1.4 [INFO] [stderr] Checking learningrust v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/limit_tracker.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | fn send(&self, &str); [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | state: Option>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:47:47 [INFO] [stdout] | [INFO] [stdout] 47 | fn request_review(self: Box) -> Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:48:40 [INFO] [stdout] | [INFO] [stdout] 48 | fn approve(self: Box) -> Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:57:47 [INFO] [stdout] | [INFO] [stdout] 57 | fn request_review(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:60:40 [INFO] [stdout] | [INFO] [stdout] 60 | fn approve(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:68:47 [INFO] [stdout] | [INFO] [stdout] 68 | fn request_review(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:71:40 [INFO] [stdout] | [INFO] [stdout] 71 | fn approve(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:79:47 [INFO] [stdout] | [INFO] [stdout] 79 | fn request_review(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:82:40 [INFO] [stdout] | [INFO] [stdout] 82 | fn approve(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/patterns_chapter.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | Some(y @ 1...3) => println!("It's a thricer: {}", y), [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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threadpool.rs:41:20 [INFO] [stdout] | [INFO] [stdout] 41 | pub type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/limit_tracker.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | fn send(&self, &str); [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | state: Option>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:47:47 [INFO] [stdout] | [INFO] [stdout] 47 | fn request_review(self: Box) -> Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:48:40 [INFO] [stdout] | [INFO] [stdout] 48 | fn approve(self: Box) -> Box; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:57:47 [INFO] [stdout] | [INFO] [stdout] 57 | fn request_review(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:60:40 [INFO] [stdout] | [INFO] [stdout] 60 | fn approve(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:68:47 [INFO] [stdout] | [INFO] [stdout] 68 | fn request_review(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:71:40 [INFO] [stdout] | [INFO] [stdout] 71 | fn approve(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:79:47 [INFO] [stdout] | [INFO] [stdout] 79 | fn request_review(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_pattern.rs:82:40 [INFO] [stdout] | [INFO] [stdout] 82 | fn approve(self: Box) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/patterns_chapter.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | Some(y @ 1...3) => println!("It's a thricer: {}", y), [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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threadpool.rs:41:20 [INFO] [stdout] | [INFO] [stdout] 41 | pub type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.20s [INFO] running `Command { std: "docker" "inspect" "1d4938ac7fa90eb768537da232f181f97d342c797e3b4e35296f599c23eadf82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d4938ac7fa90eb768537da232f181f97d342c797e3b4e35296f599c23eadf82", kill_on_drop: false }` [INFO] [stdout] 1d4938ac7fa90eb768537da232f181f97d342c797e3b4e35296f599c23eadf82