[INFO] cloning repository https://github.com/steveklabnik/not-the-rust-blog [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steveklabnik/not-the-rust-blog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fnot-the-rust-blog", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fnot-the-rust-blog'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2cd04cc291ec294d5a54f33677e4dae32b82f692 [INFO] checking steveklabnik/not-the-rust-blog against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Fnot-the-rust-blog" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/steveklabnik/not-the-rust-blog on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/steveklabnik/not-the-rust-blog [INFO] finished tweaking git repo https://github.com/steveklabnik/not-the-rust-blog [INFO] tweaked toml for git repo https://github.com/steveklabnik/not-the-rust-blog written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/steveklabnik/not-the-rust-blog already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded yaml-rust v0.4.2 [INFO] [stderr] Downloaded linked-hash-map v0.5.1 [INFO] [stderr] Downloaded fs_extra v1.1.0 [INFO] [stderr] Downloaded pest_generator v2.0.0 [INFO] [stderr] Downloaded pest_derive v2.0.1 [INFO] [stderr] Downloaded sass-rs v0.2.1 [INFO] [stderr] Downloaded serde v1.0.80 [INFO] [stderr] Downloaded sass-sys v0.4.7 [INFO] [stderr] Downloaded typed-arena v1.4.1 [INFO] [stderr] Downloaded pest v2.0.2 [INFO] [stderr] Downloaded pest_meta v2.0.3 [INFO] [stderr] Downloaded serde_yaml v0.8.8 [INFO] [stderr] Downloaded comrak v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8fa36456b6dbc4f3789c93ae2782f3a49fefb474d39a77ef6303fc5ca5f7397 [INFO] running `Command { std: "docker" "start" "-a" "c8fa36456b6dbc4f3789c93ae2782f3a49fefb474d39a77ef6303fc5ca5f7397", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8fa36456b6dbc4f3789c93ae2782f3a49fefb474d39a77ef6303fc5ca5f7397", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8fa36456b6dbc4f3789c93ae2782f3a49fefb474d39a77ef6303fc5ca5f7397", kill_on_drop: false }` [INFO] [stdout] c8fa36456b6dbc4f3789c93ae2782f3a49fefb474d39a77ef6303fc5ca5f7397 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 056018f663bc6d0bbe6bef7dac2b0e97f0247db1b3a9dd7a4a8ca1cef08720ad [INFO] running `Command { std: "docker" "start" "-a" "056018f663bc6d0bbe6bef7dac2b0e97f0247db1b3a9dd7a4a8ca1cef08720ad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling sass-sys v0.4.7 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling pest v2.0.2 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking entities v1.0.1 [INFO] [stderr] Checking typed-arena v1.4.1 [INFO] [stderr] Checking unicode_categories v0.1.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking fs_extra v1.1.0 [INFO] [stderr] Checking yaml-rust v0.4.2 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling pest_meta v2.0.3 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling pest_generator v2.0.0 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling pest_derive v2.0.1 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking serde_yaml v0.8.8 [INFO] [stderr] Checking comrak v0.4.0 [INFO] [stderr] Checking handlebars v1.1.0 [INFO] [stderr] Checking sass-rs v0.2.1 [INFO] [stderr] Checking blog v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:42:73 [INFO] [stdout] | [INFO] [stdout] 42 | fn new(out_directory: T, posts_directory: T) -> Result> [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | fn new(out_directory: T, posts_directory: T) -> Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:42:73 [INFO] [stdout] | [INFO] [stdout] 42 | fn new(out_directory: T, posts_directory: T) -> Result> [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | fn new(out_directory: T, posts_directory: T) -> Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:230:29 [INFO] [stdout] | [INFO] [stdout] 230 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:230:29 [INFO] [stdout] | [INFO] [stdout] 230 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:61:58 [INFO] [stdout] | [INFO] [stdout] 61 | fn load_posts(dir: PathBuf) -> Result, Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 61 | fn load_posts(dir: PathBuf) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:121:40 [INFO] [stdout] | [INFO] [stdout] 121 | fn render(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 121 | fn render(&self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:161:46 [INFO] [stdout] | [INFO] [stdout] 161 | fn render_index(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 161 | fn render_index(&self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:173:46 [INFO] [stdout] | [INFO] [stdout] 173 | fn render_posts(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 173 | fn render_posts(&self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:200:51 [INFO] [stdout] | [INFO] [stdout] 200 | fn copy_static_files(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 200 | fn copy_static_files(&self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:219:25 [INFO] [stdout] | [INFO] [stdout] 219 | ) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 219 | ) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:61:58 [INFO] [stdout] | [INFO] [stdout] 61 | fn load_posts(dir: PathBuf) -> Result, Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 61 | fn load_posts(dir: PathBuf) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:121:40 [INFO] [stdout] | [INFO] [stdout] 121 | fn render(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 121 | fn render(&self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:161:46 [INFO] [stdout] | [INFO] [stdout] 161 | fn render_index(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 161 | fn render_index(&self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:173:46 [INFO] [stdout] | [INFO] [stdout] 173 | fn render_posts(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 173 | fn render_posts(&self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:200:51 [INFO] [stdout] | [INFO] [stdout] 200 | fn copy_static_files(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 200 | fn copy_static_files(&self) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:219:25 [INFO] [stdout] | [INFO] [stdout] 219 | ) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 219 | ) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 01s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.1.0, syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "056018f663bc6d0bbe6bef7dac2b0e97f0247db1b3a9dd7a4a8ca1cef08720ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "056018f663bc6d0bbe6bef7dac2b0e97f0247db1b3a9dd7a4a8ca1cef08720ad", kill_on_drop: false }` [INFO] [stdout] 056018f663bc6d0bbe6bef7dac2b0e97f0247db1b3a9dd7a4a8ca1cef08720ad