[INFO] crate stlog 0.3.2 is already in cache
[INFO] extracting crate stlog 0.3.2 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/stlog/0.3.2
[INFO] extracting crate stlog 0.3.2 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/stlog/0.3.2
[INFO] validating manifest of stlog-0.3.2 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stlog-0.3.2 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stlog-0.3.2
[INFO] finished frobbing stlog-0.3.2
[INFO] frobbed toml for stlog-0.3.2 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/stlog/0.3.2/Cargo.toml
[INFO] started frobbing stlog-0.3.2
[INFO] finished frobbing stlog-0.3.2
[INFO] frobbed toml for stlog-0.3.2 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/stlog/0.3.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stlog-0.3.2 against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-3/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/stlog/0.3.2:/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dbc3f5c210cdac15b53f516b2d4ef19e6c4f8f42021265b1b7ecb87acceb4b23
[INFO] running `"docker" "start" "-a" "dbc3f5c210cdac15b53f516b2d4ef19e6c4f8f42021265b1b7ecb87acceb4b23"`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling stlog-macros v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling stlog v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/local.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     info!(logger, "Hello!");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[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]   --> examples/local.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     error!(logger, "Bye!");
[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 5.50s
[INFO] running `"docker" "inspect" "dbc3f5c210cdac15b53f516b2d4ef19e6c4f8f42021265b1b7ecb87acceb4b23"`
[INFO] running `"docker" "rm" "-f" "dbc3f5c210cdac15b53f516b2d4ef19e6c4f8f42021265b1b7ecb87acceb4b23"`
[INFO] [stdout] dbc3f5c210cdac15b53f516b2d4ef19e6c4f8f42021265b1b7ecb87acceb4b23