[INFO] fetching crate cargo-workspace2 0.2.1...
[INFO] checking cargo-workspace2-0.2.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate cargo-workspace2 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cargo-workspace2 0.2.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-workspace2 0.2.1
[INFO] finished tweaking crates.io crate cargo-workspace2 0.2.1
[INFO] tweaked toml for crates.io crate cargo-workspace2 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate cargo-workspace2 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b1f948a0816659f9f1f2d7e7922dcfefdf010db24835543c2a52d2f36cb186
[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" "d5b1f948a0816659f9f1f2d7e7922dcfefdf010db24835543c2a52d2f36cb186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b1f948a0816659f9f1f2d7e7922dcfefdf010db24835543c2a52d2f36cb186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b1f948a0816659f9f1f2d7e7922dcfefdf010db24835543c2a52d2f36cb186", kill_on_drop: false }`
[INFO] [stdout] d5b1f948a0816659f9f1f2d7e7922dcfefdf010db24835543c2a52d2f36cb186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 988fe6d38f2531271a463d1b6a3462e0161a5bf0828c09d9c7a7722f1a6d8a04
[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" "988fe6d38f2531271a463d1b6a3462e0161a5bf0828c09d9c7a7722f1a6d8a04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling cargo-workspace2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking textwrap v0.12.1
[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]    |                               ^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PublishMod as Mod`, `PublishType`, `Publish`, `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]    |                               ^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/ops/publish/exec.rs:96:1
[INFO] [stdout]     |
[INFO] [stdout] 96  | / macro_rules! assert_bump {
[INFO] [stdout] 97  | |     ($input:expr, $level_mod:expr, $expect:expr) => {
[INFO] [stdout] 98  | |         assert_eq!(bump(&$input.to_owned(), $level_mod), $expect.to_string());
[INFO] [stdout] 99  | |     };
[INFO] [stdout] 100 | | }
[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`, `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 is never read: `new_version`
[INFO] [stdout]  --> src/models/publish.rs:6:5
[INFO] [stdout]   |
[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 is never used: `major`
[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 is never used: `minor`
[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 is never used: `patch`
[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 is never used: `mod_none`
[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 is never used: `mod_alpha`
[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 is never used: `mod_beta`
[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 is never used: `mod_rc`
[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 is never used: `get_nth`
[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: field is never read: `new_version`
[INFO] [stdout]  --> src/models/publish.rs:6:5
[INFO] [stdout]   |
[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 is never used: `major`
[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 is never used: `minor`
[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 is never used: `patch`
[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 is never used: `mod_none`
[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 is never used: `mod_alpha`
[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 is never used: `mod_beta`
[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 is never used: `mod_rc`
[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 is never used: `get_nth`
[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: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.09s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "988fe6d38f2531271a463d1b6a3462e0161a5bf0828c09d9c7a7722f1a6d8a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988fe6d38f2531271a463d1b6a3462e0161a5bf0828c09d9c7a7722f1a6d8a04", kill_on_drop: false }`
[INFO] [stdout] 988fe6d38f2531271a463d1b6a3462e0161a5bf0828c09d9c7a7722f1a6d8a04