[INFO] updating cached repository aaronschif/prompt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aaronschif/prompt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aaronschif/prompt" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/aaronschif/prompt"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/aaronschif/prompt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aaronschif/prompt" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/aaronschif/prompt"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/aaronschif/prompt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7b4a498074c0b76321b19f9e06f429df1f6517a
[INFO] sha for GitHub repo aaronschif/prompt: f7b4a498074c0b76321b19f9e06f429df1f6517a
[INFO] validating manifest of aaronschif/prompt on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aaronschif/prompt on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aaronschif/prompt
[INFO] finished frobbing aaronschif/prompt
[INFO] frobbed toml for aaronschif/prompt written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/aaronschif/prompt/Cargo.toml
[INFO] started frobbing aaronschif/prompt
[INFO] finished frobbing aaronschif/prompt
[INFO] frobbed toml for aaronschif/prompt written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/aaronschif/prompt/Cargo.toml
[INFO] crate aaronschif/prompt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aaronschif/prompt against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/aaronschif/prompt:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] afc6d1992c2dbbd32013e8bd338097732f6d0f79ada44f5f450025c7411bcd73
[INFO] running `"docker" "start" "-a" "afc6d1992c2dbbd32013e8bd338097732f6d0f79ada44f5f450025c7411bcd73"`
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking prompt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `termion::color::Color`
[INFO] [stderr]  --> src/shells/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use termion::color::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Formatter`
[INFO] [stderr]   --> src/main.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::formatter::{Formatter};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `termion::color::Color`
[INFO] [stderr]  --> src/shells/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use termion::color::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Formatter`
[INFO] [stderr]   --> src/main.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::formatter::{Formatter};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn fg(mut self) -> Self {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Formatter`
[INFO] [stderr]  --> src/formatter.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Formatter {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]  --> src/formatter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn to_string() -> String {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/formatter.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn add(mut self, part: &str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fg`
[INFO] [stderr]   --> src/formatter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn fg(mut self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bg`
[INFO] [stderr]   --> src/formatter.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/formatter.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/git/mod.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         repo.stash_foreach(|_, _, _| {stash_count += 1; true}).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         write!(f, "\033[31m{}{}\033[m", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         write!(f, "%{{{}{}%}}", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         write!(f, "{}{}", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn fg(mut self) -> Self {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Formatter`
[INFO] [stderr]  --> src/formatter.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Formatter {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]  --> src/formatter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn to_string() -> String {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/formatter.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn add(mut self, part: &str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fg`
[INFO] [stderr]   --> src/formatter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn fg(mut self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bg`
[INFO] [stderr]   --> src/formatter.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/formatter.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/git/mod.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         repo.stash_foreach(|_, _, _| {stash_count += 1; true}).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         write!(f, "\033[31m{}{}\033[m", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         write!(f, "%{{{}{}%}}", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         write!(f, "{}{}", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `"docker" "inspect" "afc6d1992c2dbbd32013e8bd338097732f6d0f79ada44f5f450025c7411bcd73"`
[INFO] running `"docker" "rm" "-f" "afc6d1992c2dbbd32013e8bd338097732f6d0f79ada44f5f450025c7411bcd73"`
[INFO] [stdout] afc6d1992c2dbbd32013e8bd338097732f6d0f79ada44f5f450025c7411bcd73