[INFO] fetching crate cargo-workspace2 0.2.2...
[INFO] checking cargo-workspace2-0.2.2 against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] extracting crate cargo-workspace2 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate cargo-workspace2 0.2.2
[INFO] finished tweaking crates.io crate cargo-workspace2 0.2.2
[INFO] tweaked toml for crates.io crate cargo-workspace2 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-workspace2 0.2.2 on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-workspace2 0.2.2 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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded toml_edit v0.1.5
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded textwrap v0.12.1
[INFO] [stderr]   Downloaded libc v0.2.79
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e63bca80099f034bd6513839bb39a02b002df6c44ee428d4aaa45f66c7772f4
[INFO] running `Command { std: "docker" "start" "-a" "8e63bca80099f034bd6513839bb39a02b002df6c44ee428d4aaa45f66c7772f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e63bca80099f034bd6513839bb39a02b002df6c44ee428d4aaa45f66c7772f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e63bca80099f034bd6513839bb39a02b002df6c44ee428d4aaa45f66c7772f4", kill_on_drop: false }`
[INFO] [stdout] 8e63bca80099f034bd6513839bb39a02b002df6c44ee428d4aaa45f66c7772f4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f836944a72583959af26366e201414c4fc2359ba5251313a2c050ede88fd8501
[INFO] running `Command { std: "docker" "start" "-a" "f836944a72583959af26366e201414c4fc2359ba5251313a2c050ede88fd8501", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling cargo-workspace2 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stdout] warning: unused import: `value`
[INFO] [stdout]  --> src/cargo/gen.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use toml_edit::{value, Document, Item, Value};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/ops/publish/exec.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |     vec.into_iter().for_each(|(id)| {
[INFO] [stdout]    |                               ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -     vec.into_iter().for_each(|(id)| {
[INFO] [stdout] 41 +     vec.into_iter().for_each(|id| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `assert_bump`
[INFO] [stdout]   --> src/ops/publish/exec.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 | macro_rules! assert_bump {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PublishMod as Mod`, `PublishType`, `Publish`, and `versions`
[INFO] [stdout]  --> src/ops/executor.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{versions, Print, Publish, PublishMod as Mod, PublishType};
[INFO] [stdout]   |             ^^^^^^^^         ^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `semver::Version`
[INFO] [stdout]  --> src/ops/executor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use semver::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `semver::Version`
[INFO] [stdout]  --> src/ops/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use semver::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `value`
[INFO] [stdout]  --> src/cargo/gen.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use toml_edit::{value, Document, Item, Value};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/ops/publish/exec.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |     vec.into_iter().for_each(|(id)| {
[INFO] [stdout]    |                               ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -     vec.into_iter().for_each(|(id)| {
[INFO] [stdout] 41 +     vec.into_iter().for_each(|id| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PublishMod as Mod`, `PublishType`, `Publish`, and `versions`
[INFO] [stdout]  --> src/ops/executor.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{versions, Print, Publish, PublishMod as Mod, PublishType};
[INFO] [stdout]   |             ^^^^^^^^         ^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `semver::Version`
[INFO] [stdout]  --> src/ops/executor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use semver::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `semver::Version`
[INFO] [stdout]  --> src/ops/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use semver::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `devel`
[INFO] [stdout]   --> src/ops/publish/exec.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let Publish { ref tt, devel } = p;
[INFO] [stdout]    |                           ^^^^^ help: try ignoring the field: `devel: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `new_version` is never read
[INFO] [stdout]  --> src/models/publish.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PubMutation {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     _crate: CrateId,
[INFO] [stdout] 6 |     new_version: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `major` is never used
[INFO] [stdout]   --> src/ops/publish/mod.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn major(_mod: PublishMod) -> PublishType {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minor` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn minor(_mod: PublishMod) -> PublishType {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `patch` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn patch(_mod: PublishMod) -> PublishType {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_none` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn mod_none() -> PublishMod {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_alpha` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn mod_alpha() -> PublishMod {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_beta` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn mod_beta() -> PublishMod {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_rc` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn mod_rc() -> PublishMod {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_nth` is never used
[INFO] [stdout]   --> src/cli.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn get_nth(idx: usize) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/models/cargo.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => panic!(format!("Invalid Cargo.toml: {:?}", self.path)),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 26 -             _ => panic!(format!("Invalid Cargo.toml: {:?}", self.path)),
[INFO] [stdout] 26 +             _ => panic!("Invalid Cargo.toml: {:?}", self.path),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/models/cargo.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             _ => panic!(format!("Invalid Cargo.toml: {:?}", self.path)),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 36 -             _ => panic!(format!("Invalid Cargo.toml: {:?}", self.path)),
[INFO] [stdout] 36 +             _ => panic!("Invalid Cargo.toml: {:?}", self.path),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `devel`
[INFO] [stdout]   --> src/ops/publish/exec.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let Publish { ref tt, devel } = p;
[INFO] [stdout]    |                           ^^^^^ help: try ignoring the field: `devel: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/ops/publish/exec.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         drop(c);
[INFO] [stdout]    |         ^^^^^-^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut Crate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 21 -         drop(c);
[INFO] [stdout] 21 +         let _ = c;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `new_version` is never read
[INFO] [stdout]  --> src/models/publish.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PubMutation {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     _crate: CrateId,
[INFO] [stdout] 6 |     new_version: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `major` is never used
[INFO] [stdout]   --> src/ops/publish/mod.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn major(_mod: PublishMod) -> PublishType {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minor` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn minor(_mod: PublishMod) -> PublishType {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `patch` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn patch(_mod: PublishMod) -> PublishType {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_none` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn mod_none() -> PublishMod {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_alpha` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn mod_alpha() -> PublishMod {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_beta` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn mod_beta() -> PublishMod {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_rc` is never used
[INFO] [stdout]    --> src/ops/publish/mod.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn mod_rc() -> PublishMod {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_nth` is never used
[INFO] [stdout]   --> src/cli.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn get_nth(idx: usize) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/models/cargo.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => panic!(format!("Invalid Cargo.toml: {:?}", self.path)),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 26 -             _ => panic!(format!("Invalid Cargo.toml: {:?}", self.path)),
[INFO] [stdout] 26 +             _ => panic!("Invalid Cargo.toml: {:?}", self.path),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/models/cargo.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             _ => panic!(format!("Invalid Cargo.toml: {:?}", self.path)),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 36 -             _ => panic!(format!("Invalid Cargo.toml: {:?}", self.path)),
[INFO] [stdout] 36 +             _ => panic!("Invalid Cargo.toml: {:?}", self.path),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/ops/publish/exec.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         drop(c);
[INFO] [stdout]    |         ^^^^^-^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut Crate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 21 -         drop(c);
[INFO] [stdout] 21 +         let _ = c;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `args`
[INFO] [stdout]   --> src/bin/cargo-ws2.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::env::{args, current_dir};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]   --> src/bin/cargo-ws2.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let CmdSet { debug, line } = cli::parse_env_args();
[INFO] [stdout]    |                  ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `args`
[INFO] [stdout]   --> src/bin/cargo-ws2.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::env::{args, current_dir};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug`
[INFO] [stdout]   --> src/bin/cargo-ws2.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let CmdSet { debug, line } = cli::parse_env_args();
[INFO] [stdout]    |                  ^^^^^ help: try ignoring the field: `debug: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "f836944a72583959af26366e201414c4fc2359ba5251313a2c050ede88fd8501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f836944a72583959af26366e201414c4fc2359ba5251313a2c050ede88fd8501", kill_on_drop: false }`
[INFO] [stdout] f836944a72583959af26366e201414c4fc2359ba5251313a2c050ede88fd8501
