[INFO] cloning repository https://github.com/killercup/np [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/np" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fnp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fnp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1709cd29c0d61ac3ebeeea7a4d7ff1c2d26d88f3 [INFO] checking killercup/np against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fnp" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/killercup/np 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/killercup/np [INFO] finished tweaking git repo https://github.com/killercup/np [INFO] tweaked toml for git repo https://github.com/killercup/np written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/killercup/np 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] Downloading crates ... [INFO] [stderr] Downloaded quote v0.6.6 [INFO] [stderr] Downloaded proc-macro2 v0.4.12 [INFO] [stderr] Downloaded dialoguer v0.1.0 [INFO] [stderr] Downloaded clicolors-control v0.2.0 [INFO] [stderr] Downloaded console v0.6.1 [INFO] [stderr] Downloaded smallvec v0.6.4 [INFO] [stderr] Downloaded rand v0.4.3 [INFO] [stderr] Downloaded tempfile v2.2.0 [INFO] [stderr] Downloaded syn v0.14.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e3294fa3f6c91fa5c7e70ced4dbbaa44e89001b6fc3161ca33cae4a165a4daea [INFO] running `Command { std: "docker" "start" "-a" "e3294fa3f6c91fa5c7e70ced4dbbaa44e89001b6fc3161ca33cae4a165a4daea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3294fa3f6c91fa5c7e70ced4dbbaa44e89001b6fc3161ca33cae4a165a4daea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3294fa3f6c91fa5c7e70ced4dbbaa44e89001b6fc3161ca33cae4a165a4daea", kill_on_drop: false }` [INFO] [stdout] e3294fa3f6c91fa5c7e70ced4dbbaa44e89001b6fc3161ca33cae4a165a4daea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 419896fd84dc40445eab1f40941ddec18bb5d4343690f1a099ebc6ba4ec4431d [INFO] running `Command { std: "docker" "start" "-a" "419896fd84dc40445eab1f40941ddec18bb5d4343690f1a099ebc6ba4ec4431d", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Compiling proc-macro2 v0.4.12 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking unicode-segmentation v1.2.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking smallvec v0.6.4 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking heck v0.3.0 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking parking_lot v0.6.3 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Checking console v0.6.1 [INFO] [stderr] Checking dialoguer v0.1.0 [INFO] [stderr] Checking structopt v0.2.10 [INFO] [stderr] Checking np v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn main() -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [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] 25 | 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:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | fn show(steps: &[&str]) -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | fn show(steps: &[&str]) -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:51:46 [INFO] [stdout] | [INFO] [stdout] 51 | fn new_doc(steps: &[&str]) -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 51 | fn new_doc(steps: &[&str]) -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn main() -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [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] 25 | 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:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | fn show(steps: &[&str]) -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | fn show(steps: &[&str]) -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:51:46 [INFO] [stdout] | [INFO] [stdout] 51 | fn new_doc(steps: &[&str]) -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 51 | fn new_doc(steps: &[&str]) -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.47s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.8 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "419896fd84dc40445eab1f40941ddec18bb5d4343690f1a099ebc6ba4ec4431d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419896fd84dc40445eab1f40941ddec18bb5d4343690f1a099ebc6ba4ec4431d", kill_on_drop: false }` [INFO] [stdout] 419896fd84dc40445eab1f40941ddec18bb5d4343690f1a099ebc6ba4ec4431d [INFO] checking killercup/np against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fnp" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/killercup/np on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/killercup/np [INFO] finished tweaking git repo https://github.com/killercup/np [INFO] tweaked toml for git repo https://github.com/killercup/np written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/killercup/np 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9cc7e851e709528e1f7c390c292e44c2f98844faaf135faa0180026e71b52143 [INFO] running `Command { std: "docker" "start" "-a" "9cc7e851e709528e1f7c390c292e44c2f98844faaf135faa0180026e71b52143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cc7e851e709528e1f7c390c292e44c2f98844faaf135faa0180026e71b52143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cc7e851e709528e1f7c390c292e44c2f98844faaf135faa0180026e71b52143", kill_on_drop: false }` [INFO] [stdout] 9cc7e851e709528e1f7c390c292e44c2f98844faaf135faa0180026e71b52143 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 098db0e07ff4217a8e5c1541d7212e4286848534a871854283e9118223d74c40 [INFO] running `Command { std: "docker" "start" "-a" "098db0e07ff4217a8e5c1541d7212e4286848534a871854283e9118223d74c40", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling proc-macro2 v0.4.12 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking unicode-segmentation v1.2.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking smallvec v0.6.4 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking heck v0.3.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Checking parking_lot v0.6.3 [INFO] [stderr] Checking console v0.6.1 [INFO] [stderr] Checking dialoguer v0.1.0 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Checking structopt v0.2.10 [INFO] [stderr] Checking np v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn main() -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [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] 25 | 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:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | fn show(steps: &[&str]) -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | fn show(steps: &[&str]) -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:51:46 [INFO] [stdout] | [INFO] [stdout] 51 | fn new_doc(steps: &[&str]) -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 51 | fn new_doc(steps: &[&str]) -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn main() -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [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] 25 | 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:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | fn show(steps: &[&str]) -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | fn show(steps: &[&str]) -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:51:46 [INFO] [stdout] | [INFO] [stdout] 51 | fn new_doc(steps: &[&str]) -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 51 | fn new_doc(steps: &[&str]) -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.57s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.8 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "098db0e07ff4217a8e5c1541d7212e4286848534a871854283e9118223d74c40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "098db0e07ff4217a8e5c1541d7212e4286848534a871854283e9118223d74c40", kill_on_drop: false }` [INFO] [stdout] 098db0e07ff4217a8e5c1541d7212e4286848534a871854283e9118223d74c40