[INFO] crate gstuff 0.5.2 is already in cache
[INFO] extracting crate gstuff 0.5.2 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/gstuff/0.5.2
[INFO] extracting crate gstuff 0.5.2 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/gstuff/0.5.2
[INFO] validating manifest of gstuff-0.5.2 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 gstuff-0.5.2 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 gstuff-0.5.2
[INFO] finished frobbing gstuff-0.5.2
[INFO] frobbed toml for gstuff-0.5.2 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/gstuff/0.5.2/Cargo.toml
[INFO] started frobbing gstuff-0.5.2
[INFO] finished frobbing gstuff-0.5.2
[INFO] frobbed toml for gstuff-0.5.2 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/gstuff/0.5.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 gstuff-0.5.2 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/gstuff/0.5.2:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 56077e8912dda5b7a783b084481f1c2420460d71d43f165206cce9a4abae2bc8
[INFO] running `"docker" "start" "-a" "56077e8912dda5b7a783b084481f1c2420460d71d43f165206cce9a4abae2bc8"`
[INFO] [stderr]     Checking gstuff v0.5.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> gstuff.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 |   /// --- status line -------
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 92 | 
[INFO] [stderr] 93 | / lazy_static! {
[INFO] [stderr] 94 | |   static ref STATUS_LINE: Mutex<String> = Mutex::new (String::new());
[INFO] [stderr] 95 | |   /// True if the standard output is a terminal.
[INFO] [stderr] 96 | |   pub static ref ISATTY: bool = unsafe {libc::isatty (1)} != 0;}
[INFO] [stderr]    | |________________________________________________________________- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> gstuff.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 |   /// --- status line -------
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 92 | 
[INFO] [stderr] 93 | / lazy_static! {
[INFO] [stderr] 94 | |   static ref STATUS_LINE: Mutex<String> = Mutex::new (String::new());
[INFO] [stderr] 95 | |   /// True if the standard output is a terminal.
[INFO] [stderr] 96 | |   pub static ref ISATTY: bool = unsafe {libc::isatty (1)} != 0;}
[INFO] [stderr]    | |________________________________________________________________- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]    --> gstuff.rs:225:7
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io;
[INFO] [stderr]     |     ------- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 225 |   use std::io;
[INFO] [stderr]     |       ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]    --> gstuff.rs:225:7
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io;
[INFO] [stderr]     |     ------- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 225 |   use std::io;
[INFO] [stderr]     |       ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> gstuff.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |             let mut locked_value = try_s! (arc_mutex.lock());
[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]    --> gstuff.rs:597:17
[INFO] [stderr]     |
[INFO] [stderr] 597 |             let mut locked_value = try_s! (arc_mutex.lock());
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "56077e8912dda5b7a783b084481f1c2420460d71d43f165206cce9a4abae2bc8"`
[INFO] running `"docker" "rm" "-f" "56077e8912dda5b7a783b084481f1c2420460d71d43f165206cce9a4abae2bc8"`
[INFO] [stdout] 56077e8912dda5b7a783b084481f1c2420460d71d43f165206cce9a4abae2bc8