[INFO] fetching crate linkr 0.2.0... [INFO] checking linkr-0.2.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate linkr 0.2.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate linkr 0.2.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate linkr 0.2.0 [INFO] finished tweaking crates.io crate linkr 0.2.0 [INFO] tweaked toml for crates.io crate linkr 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5645c6e08088a552f01da1eb545559e83af2534bd1922fc4f4c7fdfefa10b401 [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" "5645c6e08088a552f01da1eb545559e83af2534bd1922fc4f4c7fdfefa10b401", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5645c6e08088a552f01da1eb545559e83af2534bd1922fc4f4c7fdfefa10b401", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5645c6e08088a552f01da1eb545559e83af2534bd1922fc4f4c7fdfefa10b401", kill_on_drop: false }` [INFO] [stdout] 5645c6e08088a552f01da1eb545559e83af2534bd1922fc4f4c7fdfefa10b401 [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 700ee968187f047c31ba98b6768b28805ad22b97a19e4240f59d1f148b66966d [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" "700ee968187f047c31ba98b6768b28805ad22b97a19e4240f59d1f148b66966d", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling subtle v2.4.0 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Checking cpuid-bool v0.2.0 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling tinyvec v1.1.1 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling rocket_codegen v0.4.7 [INFO] [stderr] Compiling rocket v0.4.7 [INFO] [stderr] Compiling rocket_contrib_codegen v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking scheduled-thread-pool v0.2.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.4.4 [INFO] [stderr] Checking r2d2 v0.8.9 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Compiling cipher v0.2.5 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling universal-hash v0.4.0 [INFO] [stderr] Compiling crypto-mac v0.10.0 [INFO] [stderr] Compiling aead v0.3.2 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Compiling polyval v0.4.5 [INFO] [stderr] Compiling hmac v0.10.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling aes-soft v0.6.4 [INFO] [stderr] Compiling ctr v0.6.0 [INFO] [stderr] Compiling sha2 v0.9.3 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling hkdf v0.10.0 [INFO] [stderr] Compiling ghash v0.3.1 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Compiling aes v0.6.0 [INFO] [stderr] Compiling aes-gcm v0.8.0 [INFO] [stderr] Checking cookie v0.11.4 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Compiling devise_core v0.2.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling devise_codegen v0.2.0 [INFO] [stderr] Compiling diesel_derives v1.4.1 [INFO] [stderr] Compiling devise v0.2.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking dotenv v0.13.0 [INFO] [stderr] Compiling pear v0.1.4 [INFO] [stderr] Checking rocket_http v0.4.7 [INFO] [stderr] Compiling diesel v1.4.6 [INFO] [stderr] Checking migrations_internals v1.4.1 [INFO] [stderr] Checking rocket_contrib v0.4.7 [INFO] [stderr] Compiling migrations_macros v1.4.2 [INFO] [stderr] Checking diesel_migrations v1.4.0 [INFO] [stderr] Checking linkr v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `FromFormValue` [INFO] [stdout] --> src/api/user.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use rocket::request::{Form, FromFormValue}; [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/auth/mod.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | pub provider: &'a IdentityProvider, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IdentityProvider` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FromFormValue` [INFO] [stdout] --> src/api/user.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use rocket::request::{Form, FromFormValue}; [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/auth/mod.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | pub provider: &'a IdentityProvider, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IdentityProvider` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:132:44 [INFO] [stdout] | [INFO] [stdout] 132 | Err(e) => panic!(format!("\n{}", e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:132:44 [INFO] [stdout] | [INFO] [stdout] 132 | Err(e) => panic!(format!("\n{}", e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `origin` [INFO] [stdout] --> src/api/admin.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn view_stats(origin: String) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `login` [INFO] [stdout] --> src/api/user.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn login(login: Form) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_login` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `login` [INFO] [stdout] --> src/api/user.rs:13:20 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn create_user(login: Form) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_login` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `origin` [INFO] [stdout] --> src/api/admin.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn view_stats(origin: String) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `login` [INFO] [stdout] --> src/api/user.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn login(login: Form) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_login` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `login` [INFO] [stdout] --> src/api/user.rs:13:20 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn create_user(login: Form) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_login` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 94 | unsafe { [INFO] [stdout] | ------ because it's nested under this `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 104 | start!(); [INFO] [stdout] | --------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 94 | unsafe { [INFO] [stdout] | ------ because it's nested under this `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 113 | start!(); [INFO] [stdout] | --------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> src/api/user.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | username: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `password` [INFO] [stdout] --> src/api/user.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | password: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:44 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(proc_macro_hygiene, decl_macro, bind_by_move_pattern_guards)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 94 | unsafe { [INFO] [stdout] | ------ because it's nested under this `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 104 | start!(); [INFO] [stdout] | --------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 94 | unsafe { [INFO] [stdout] | ------ because it's nested under this `unsafe` block [INFO] [stdout] ... [INFO] [stdout] 113 | start!(); [INFO] [stdout] | --------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:132:26 [INFO] [stdout] | [INFO] [stdout] 132 | Err(e) => panic!(format!("\n{}", e.description())), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 132 | Err(e) => panic!("\n{}", e.description()), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> src/api/user.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | username: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `password` [INFO] [stdout] --> src/api/user.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | password: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:44 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(proc_macro_hygiene, decl_macro, bind_by_move_pattern_guards)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:132:26 [INFO] [stdout] | [INFO] [stdout] 132 | Err(e) => panic!(format!("\n{}", e.description())), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 132 | Err(e) => panic!("\n{}", e.description()), [INFO] [stdout] | -- -- [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 2m 36s [INFO] running `Command { std: "docker" "inspect" "700ee968187f047c31ba98b6768b28805ad22b97a19e4240f59d1f148b66966d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "700ee968187f047c31ba98b6768b28805ad22b97a19e4240f59d1f148b66966d", kill_on_drop: false }` [INFO] [stdout] 700ee968187f047c31ba98b6768b28805ad22b97a19e4240f59d1f148b66966d