[INFO] cloning repository https://github.com/kuviman/glitchcat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuviman/glitchcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuviman%2Fglitchcat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuviman%2Fglitchcat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bb4cca383f1950878ee2783312c62f7925191c4 [INFO] checking kuviman/glitchcat against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuviman%2Fglitchcat" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kuviman/glitchcat 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/kuviman/glitchcat [INFO] finished tweaking git repo https://github.com/kuviman/glitchcat [INFO] tweaked toml for git repo https://github.com/kuviman/glitchcat written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kuviman/glitchcat 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 strum_macros v0.10.0 [INFO] [stderr] Downloaded lazy_static v1.0.2 [INFO] [stderr] Downloaded console v0.6.1 [INFO] [stderr] Downloaded cc v1.0.18 [INFO] [stderr] Downloaded strum v0.10.0 [INFO] [stderr] Downloaded clicolors-control v0.2.0 [INFO] [stderr] Downloaded stable_deref_trait v1.1.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.8 [INFO] [stderr] Downloaded lock_api v0.1.3 [INFO] [stderr] Downloaded parking_lot v0.6.3 [INFO] [stderr] Downloaded aho-corasick v0.6.6 [INFO] [stderr] Downloaded rand v0.5.4 [INFO] [stderr] Downloaded backtrace-sys v0.1.23 [INFO] [stderr] Downloaded smallvec v0.6.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8e5f7324fa6c1d5cadefa2cf4c52a60aa0616f3a90fd34fe01af2aa384cb38b7 [INFO] running `Command { std: "docker" "start" "-a" "8e5f7324fa6c1d5cadefa2cf4c52a60aa0616f3a90fd34fe01af2aa384cb38b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e5f7324fa6c1d5cadefa2cf4c52a60aa0616f3a90fd34fe01af2aa384cb38b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e5f7324fa6c1d5cadefa2cf4c52a60aa0616f3a90fd34fe01af2aa384cb38b7", kill_on_drop: false }` [INFO] [stdout] 8e5f7324fa6c1d5cadefa2cf4c52a60aa0616f3a90fd34fe01af2aa384cb38b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 45b7701811fdd752a0fcdebfcde54604c15c75cc84303975a5411abef0780ac5 [INFO] running `Command { std: "docker" "start" "-a" "45b7701811fdd752a0fcdebfcde54604c15c75cc84303975a5411abef0780ac5", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Checking stable_deref_trait v1.1.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.8 [INFO] [stderr] Checking lazy_static v1.0.2 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking smallvec v0.6.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Compiling syn v0.14.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking strum v0.10.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rand v0.5.4 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking parking_lot v0.6.3 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Compiling strum_macros v0.10.0 [INFO] [stderr] Checking console v0.6.1 [INFO] [stderr] Checking structopt v0.2.10 [INFO] [stderr] Checking glitchcat v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | rng: Box, [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] 83 | rng: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | rng: Box, [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] 83 | rng: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:105:28 [INFO] [stdout] | [INFO] [stdout] 105 | let mut input: Box = match opt.file { [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] 105 | let mut input: Box = match opt.file { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:105:28 [INFO] [stdout] | [INFO] [stdout] 105 | let mut input: Box = match opt.file { [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] 105 | let mut input: Box = match opt.file { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.09s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4 [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" "45b7701811fdd752a0fcdebfcde54604c15c75cc84303975a5411abef0780ac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45b7701811fdd752a0fcdebfcde54604c15c75cc84303975a5411abef0780ac5", kill_on_drop: false }` [INFO] [stdout] 45b7701811fdd752a0fcdebfcde54604c15c75cc84303975a5411abef0780ac5 [INFO] checking kuviman/glitchcat against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuviman%2Fglitchcat" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kuviman/glitchcat 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/kuviman/glitchcat [INFO] finished tweaking git repo https://github.com/kuviman/glitchcat [INFO] tweaked toml for git repo https://github.com/kuviman/glitchcat written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kuviman/glitchcat 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e771648364005f031f8273196b0fb34fb5572fa0f47ca4d29ca08470e75e1bdc [INFO] running `Command { std: "docker" "start" "-a" "e771648364005f031f8273196b0fb34fb5572fa0f47ca4d29ca08470e75e1bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e771648364005f031f8273196b0fb34fb5572fa0f47ca4d29ca08470e75e1bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e771648364005f031f8273196b0fb34fb5572fa0f47ca4d29ca08470e75e1bdc", kill_on_drop: false }` [INFO] [stdout] e771648364005f031f8273196b0fb34fb5572fa0f47ca4d29ca08470e75e1bdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4e9d0a328150c4b8f6485f5fcb8011da12f35b2f53161a377510131b7ce6ea91 [INFO] running `Command { std: "docker" "start" "-a" "4e9d0a328150c4b8f6485f5fcb8011da12f35b2f53161a377510131b7ce6ea91", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking stable_deref_trait v1.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.8 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking lazy_static v1.0.2 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking smallvec v0.6.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling syn v0.14.4 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking strum v0.10.0 [INFO] [stderr] Checking rand v0.5.4 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking parking_lot v0.6.3 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Compiling strum_macros v0.10.0 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking console v0.6.1 [INFO] [stderr] Checking structopt v0.2.10 [INFO] [stderr] Checking glitchcat v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | rng: Box, [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] 83 | rng: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:83:14 [INFO] [stdout] | [INFO] [stdout] 83 | rng: Box, [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] 83 | rng: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:105:28 [INFO] [stdout] | [INFO] [stdout] 105 | let mut input: Box = match opt.file { [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] 105 | let mut input: Box = match opt.file { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:105:28 [INFO] [stdout] | [INFO] [stdout] 105 | let mut input: Box = match opt.file { [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] 105 | let mut input: Box = match opt.file { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.45s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "4e9d0a328150c4b8f6485f5fcb8011da12f35b2f53161a377510131b7ce6ea91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e9d0a328150c4b8f6485f5fcb8011da12f35b2f53161a377510131b7ce6ea91", kill_on_drop: false }` [INFO] [stdout] 4e9d0a328150c4b8f6485f5fcb8011da12f35b2f53161a377510131b7ce6ea91