[INFO] crate loom 0.1.1 is already in cache
[INFO] extracting crate loom 0.1.1 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/loom/0.1.1
[INFO] extracting crate loom 0.1.1 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/loom/0.1.1
[INFO] validating manifest of loom-0.1.1 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of loom-0.1.1 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing loom-0.1.1
[INFO] finished frobbing loom-0.1.1
[INFO] frobbed toml for loom-0.1.1 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/loom/0.1.1/Cargo.toml
[INFO] started frobbing loom-0.1.1
[INFO] finished frobbing loom-0.1.1
[INFO] frobbed toml for loom-0.1.1 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/loom/0.1.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking loom-0.1.1 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/loom/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4de434203b00f044006fc7948682606f513ee7635808ee4b161a742ba4f6baef
[INFO] running `"docker" "start" "-a" "4de434203b00f044006fc7948682606f513ee7635808ee4b161a742ba4f6baef"`
[INFO] [stderr]     Checking loom v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning[E0381]: use of possibly uninitialized variable: `_`
[INFO] [stderr]    --> src/rt/scheduler/std.rs:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 | /             loop {
[INFO] [stderr] 239 | |                 match *th {
[INFO] [stderr] 240 | |                     Idle => {
[INFO] [stderr] 241 | |                         th = shared.condvars[i].wait(th).unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 251 | |                 }
[INFO] [stderr] 252 | |             }
[INFO] [stderr]     | |_____________^ use of possibly uninitialized value
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0381]: use of possibly uninitialized variable: `_`
[INFO] [stderr]    --> src/rt/scheduler/std.rs:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 | /             loop {
[INFO] [stderr] 239 | |                 match *th {
[INFO] [stderr] 240 | |                     Idle => {
[INFO] [stderr] 241 | |                         th = shared.condvars[i].wait(th).unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 251 | |                 }
[INFO] [stderr] 252 | |             }
[INFO] [stderr]     | |_____________^ use of possibly uninitialized value
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "4de434203b00f044006fc7948682606f513ee7635808ee4b161a742ba4f6baef"`
[INFO] running `"docker" "rm" "-f" "4de434203b00f044006fc7948682606f513ee7635808ee4b161a742ba4f6baef"`
[INFO] [stdout] 4de434203b00f044006fc7948682606f513ee7635808ee4b161a742ba4f6baef