[INFO] fetching crate cargo-workspace2 0.2.2...
[INFO] checking cargo-workspace2-0.2.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate cargo-workspace2 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cargo-workspace2 0.2.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.1.5
[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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b756e5009cabc8da104441366838186a44b81e32f23fcc037c6bfba50d765b3
[INFO] running `Command { std: "docker" "start" "-a" "1b756e5009cabc8da104441366838186a44b81e32f23fcc037c6bfba50d765b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b756e5009cabc8da104441366838186a44b81e32f23fcc037c6bfba50d765b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b756e5009cabc8da104441366838186a44b81e32f23fcc037c6bfba50d765b3", kill_on_drop: false }`
[INFO] [stdout] 1b756e5009cabc8da104441366838186a44b81e32f23fcc037c6bfba50d765b3
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86b0f6eb4d4b6da8c9688a5de17a6df9c9a8aba4a85001fcaf39efed1f534682
[INFO] running `Command { std: "docker" "start" "-a" "86b0f6eb4d4b6da8c9688a5de17a6df9c9a8aba4a85001fcaf39efed1f534682", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling cargo-workspace2 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking time v0.1.44
[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)]` 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)]` 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)]` 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)]` 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)]` 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)]` on by default
[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)]` 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)]` 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/nightly/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: `#[warn(non_fmt_panics)]` 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/nightly/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] 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: 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)]` 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/nightly/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: `#[warn(non_fmt_panics)]` 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/nightly/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] 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: 19 warnings emitted
[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: 18 warnings emitted
[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)]` 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)]` 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)]` 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)]` on by default
[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 5.26s
[INFO] running `Command { std: "docker" "inspect" "86b0f6eb4d4b6da8c9688a5de17a6df9c9a8aba4a85001fcaf39efed1f534682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b0f6eb4d4b6da8c9688a5de17a6df9c9a8aba4a85001fcaf39efed1f534682", kill_on_drop: false }`
[INFO] [stdout] 86b0f6eb4d4b6da8c9688a5de17a6df9c9a8aba4a85001fcaf39efed1f534682
[INFO] checking cargo-workspace2-0.2.2 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate cargo-workspace2 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cargo-workspace2 0.2.2 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fd27bfbb0a03d49b4ecbe220b9bf9d17d160adabb90fe0bc642e59784a5c873
[INFO] running `Command { std: "docker" "start" "-a" "1fd27bfbb0a03d49b4ecbe220b9bf9d17d160adabb90fe0bc642e59784a5c873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fd27bfbb0a03d49b4ecbe220b9bf9d17d160adabb90fe0bc642e59784a5c873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd27bfbb0a03d49b4ecbe220b9bf9d17d160adabb90fe0bc642e59784a5c873", kill_on_drop: false }`
[INFO] [stdout] 1fd27bfbb0a03d49b4ecbe220b9bf9d17d160adabb90fe0bc642e59784a5c873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2e8a0d8620ea675e687c58f24a0a99bde4c7114f4a1a3017b13a8a8bcee187a
[INFO] running `Command { std: "docker" "start" "-a" "c2e8a0d8620ea675e687c58f24a0a99bde4c7114f4a1a3017b13a8a8bcee187a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling cargo-workspace2 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking time v0.1.44
[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)]` 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)]` 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)]` 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)]` 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)]` 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)]` on by default
[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)]` 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)]` 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/nightly/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: `#[warn(non_fmt_panics)]` 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/nightly/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] 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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/models/cargo.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 94  |       pub fn open(p: impl Into<PathBuf>) -> Result<Self> {
[INFO] [stdout]     |                   --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 97  |           let root_cfg = cargo::parse_root_toml(path.join("Cargo.toml"))?;
[INFO] [stdout]     |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 100 |           let m_cfg: Vec<_> = members
[INFO] [stdout]     |               ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 120 |           Ok(Self {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 121 | |             root: path,
[INFO] [stdout] 122 | |             crates: m_cfg
[INFO] [stdout] 123 | |                 .into_iter()
[INFO] [stdout] ...   |
[INFO] [stdout] 129 | |                 .collect(),
[INFO] [stdout] 130 | |         })
[INFO] [stdout]     | |         ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/models/cargo.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 |name| match cargo::parse_toml(path.join(&name).join("Cargo.toml")) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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)]` 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: 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: 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/nightly/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: `#[warn(non_fmt_panics)]` 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/nightly/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] 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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/models/cargo.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 94  |       pub fn open(p: impl Into<PathBuf>) -> Result<Self> {
[INFO] [stdout]     |                   --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 97  |           let root_cfg = cargo::parse_root_toml(path.join("Cargo.toml"))?;
[INFO] [stdout]     |               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 100 |           let m_cfg: Vec<_> = members
[INFO] [stdout]     |               ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 120 |           Ok(Self {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 121 | |             root: path,
[INFO] [stdout] 122 | |             crates: m_cfg
[INFO] [stdout] 123 | |                 .into_iter()
[INFO] [stdout] ...   |
[INFO] [stdout] 129 | |                 .collect(),
[INFO] [stdout] 130 | |         })
[INFO] [stdout]     | |         ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |_________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/models/cargo.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 |name| match cargo::parse_toml(path.join(&name).join("Cargo.toml")) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 19 warnings emitted
[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] [stderr] error: could not compile `cargo-workspace2` (lib) due to 3 previous errors; 19 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-workspace2` (lib test) due to 3 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c2e8a0d8620ea675e687c58f24a0a99bde4c7114f4a1a3017b13a8a8bcee187a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e8a0d8620ea675e687c58f24a0a99bde4c7114f4a1a3017b13a8a8bcee187a", kill_on_drop: false }`
[INFO] [stdout] c2e8a0d8620ea675e687c58f24a0a99bde4c7114f4a1a3017b13a8a8bcee187a