[INFO] cloning repository https://github.com/an-prata/whim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/an-prata/whim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fan-prata%2Fwhim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fan-prata%2Fwhim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea9fc84f654e4b3d113b69070a45841680deb98c
[INFO] checking an-prata/whim against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fan-prata%2Fwhim" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/an-prata/whim
[INFO] finished tweaking git repo https://github.com/an-prata/whim
[INFO] tweaked toml for git repo https://github.com/an-prata/whim written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/an-prata/whim on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/an-prata/whim 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded time-core v0.1.1
[INFO] [stderr]   Downloaded time-macros v0.2.10
[INFO] [stderr]   Downloaded build_html v2.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.64
[INFO] [stderr]   Downloaded serde_derive v1.0.171
[INFO] [stderr]   Downloaded ron v0.8.0
[INFO] [stderr]   Downloaded time v0.3.23
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded syn v2.0.25
[INFO] [stderr]   Downloaded serde v1.0.171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11804e352a4485a443cae6649a40ad21854e9b85a4580ba1c620f2217117f925
[INFO] running `Command { std: "docker" "start" "-a" "11804e352a4485a443cae6649a40ad21854e9b85a4580ba1c620f2217117f925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11804e352a4485a443cae6649a40ad21854e9b85a4580ba1c620f2217117f925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11804e352a4485a443cae6649a40ad21854e9b85a4580ba1c620f2217117f925", kill_on_drop: false }`
[INFO] [stdout] 11804e352a4485a443cae6649a40ad21854e9b85a4580ba1c620f2217117f925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e646278034c1b840519a439aa4e583c5a864452795d7e4c7c5c50b78c5ad6aaa
[INFO] running `Command { std: "docker" "start" "-a" "e646278034c1b840519a439aa4e583c5a864452795d7e4c7c5c50b78c5ad6aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking build_html v2.4.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking ron v0.8.0
[INFO] [stderr]     Checking whim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/md_content.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{borrow::Cow, rc::Rc};
[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 import: `borrow::Cow`
[INFO] [stdout]  --> src/md_content.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{borrow::Cow, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flag` is never used
[INFO] [stdout]   --> src/args.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | / impl<T, I> ArgsParser<T, I>
[INFO] [stdout] 20 | | where
[INFO] [stdout] 21 | |     T: Iterator<Item = I>,
[INFO] [stdout] 22 | |     I: AsRef<str>,
[INFO] [stdout]    | |__________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |       pub fn flag(mut self, flag: Flag) -> Self {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]    --> src/args.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct ParsedArgs {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 133 |     pub items: Vec<ArgsItem>,
[INFO] [stdout] 134 |     flags: Vec<Flag>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flags` is never used
[INFO] [stdout]    --> src/args.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl ParsedArgs {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn flags(&self) -> HashMap<Flag, Option<Value>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unwrap_command` and `unwrap_flag` are never used
[INFO] [stdout]    --> src/args.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 236 | impl ArgsItem {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 237 |     pub fn unwrap_command(self) -> Command {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub fn unwrap_flag(self) -> Flag {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unwrap_command` and `unwrap_flag` are never used
[INFO] [stdout]    --> src/args.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 236 | impl ArgsItem {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 237 |     pub fn unwrap_command(self) -> Command {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub fn unwrap_flag(self) -> Flag {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `single_char` is never used
[INFO] [stdout]    --> src/args.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl Flag {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 319 |     pub fn single_char(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/args.rs:372:23
[INFO] [stdout]     |
[INFO] [stdout] 372 |     MalformedArgument(Rc<str>),
[INFO] [stdout]     |     ----------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 372 -     MalformedArgument(Rc<str>),
[INFO] [stdout] 372 +     MalformedArgument(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parent_accessors` is never used
[INFO] [stdout]   --> src/href.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait Href {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn parent_accessors(&self) -> usize;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mod_time` and `create_time` are never used
[INFO] [stdout]    --> src/library.rs:355:12
[INFO] [stdout]     |
[INFO] [stdout] 295 | impl Document {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 355 |     pub fn mod_time(&self) -> time::OffsetDateTime {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 362 |     pub fn create_time(&self) -> time::OffsetDateTime {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DirectoryReadError` is never constructed
[INFO] [stdout]    --> src/library.rs:400:5
[INFO] [stdout]     |
[INFO] [stdout] 382 | pub enum Error {
[INFO] [stdout]     |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 400 |     DirectoryReadError,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `No` is never used
[INFO] [stdout]   --> src/prompt.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum No {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/md_content.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn title(&self) -> Option<md::CowStr> {
[INFO] [stdout]    |                  ^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn title(&self) -> Option<md::CowStr<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Bool`, `Uint`, `Int`, and `String` are never constructed
[INFO] [stdout]    --> src/args.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 286 | pub enum Flag {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 295 |     Bool(Rc<str>),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 296 |     Uint(Rc<str>),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 297 |     Int(Rc<str>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 298 |     String(Rc<str>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Flag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `single_char` is never used
[INFO] [stdout]    --> src/args.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl Flag {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 319 |     pub fn single_char(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/args.rs:372:23
[INFO] [stdout]     |
[INFO] [stdout] 372 |     MalformedArgument(Rc<str>),
[INFO] [stdout]     |     ----------------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 372 -     MalformedArgument(Rc<str>),
[INFO] [stdout] 372 +     MalformedArgument(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parent_accessors` is never used
[INFO] [stdout]   --> src/href.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait Href {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn parent_accessors(&self) -> usize;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mod_time` and `create_time` are never used
[INFO] [stdout]    --> src/library.rs:355:12
[INFO] [stdout]     |
[INFO] [stdout] 295 | impl Document {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 355 |     pub fn mod_time(&self) -> time::OffsetDateTime {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 362 |     pub fn create_time(&self) -> time::OffsetDateTime {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DirectoryReadError` is never constructed
[INFO] [stdout]    --> src/library.rs:400:5
[INFO] [stdout]     |
[INFO] [stdout] 382 | pub enum Error {
[INFO] [stdout]     |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 400 |     DirectoryReadError,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `No` is never used
[INFO] [stdout]   --> src/prompt.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum No {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/md_content.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn title(&self) -> Option<md::CowStr> {
[INFO] [stdout]    |                  ^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn title(&self) -> Option<md::CowStr<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.88s
[INFO] running `Command { std: "docker" "inspect" "e646278034c1b840519a439aa4e583c5a864452795d7e4c7c5c50b78c5ad6aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e646278034c1b840519a439aa4e583c5a864452795d7e4c7c5c50b78c5ad6aaa", kill_on_drop: false }`
[INFO] [stdout] e646278034c1b840519a439aa4e583c5a864452795d7e4c7c5c50b78c5ad6aaa
