[INFO] crate quirc 0.0.1 is already in cache
[INFO] extracting crate quirc 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/quirc/0.0.1
[INFO] extracting crate quirc 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/quirc/0.0.1
[INFO] validating manifest of quirc-0.0.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of quirc-0.0.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing quirc-0.0.1
[INFO] finished frobbing quirc-0.0.1
[INFO] frobbed toml for quirc-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/quirc/0.0.1/Cargo.toml
[INFO] started frobbing quirc-0.0.1
[INFO] finished frobbing quirc-0.0.1
[INFO] frobbed toml for quirc-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/quirc/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing quirc-0.0.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/quirc/0.0.1:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0e18658ff0cac8e552ab3d8761e1c37f297097317ad7f8fa70fd02a6cb846731
[INFO] running `"docker" "start" "-a" "0e18658ff0cac8e552ab3d8761e1c37f297097317ad7f8fa70fd02a6cb846731"`
[INFO] [stderr]    Compiling quirc v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: /opt/crater/workdir/c/decode.c: In function 'decode_payload':
[INFO] [stderr] warning: /opt/crater/workdir/c/decode.c:877:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
[INFO] [stderr] warning:   if (data->payload_len >= sizeof(data->payload))
[INFO] [stderr] warning:                         ^~
[INFO] [stderr] warning: /opt/crater/workdir/c/identify.c: In function 'area_count':
[INFO] [stderr] warning: /opt/crater/workdir/c/identify.c:233:45: warning: unused parameter 'y' [-Wunused-parameter]
[INFO] [stderr] warning:  static void area_count(void *user_data, int y, int left, int right)
[INFO] [stderr] warning:                                              ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "0e18658ff0cac8e552ab3d8761e1c37f297097317ad7f8fa70fd02a6cb846731"`
[INFO] running `"docker" "rm" "-f" "0e18658ff0cac8e552ab3d8761e1c37f297097317ad7f8fa70fd02a6cb846731"`
[INFO] [stdout] 0e18658ff0cac8e552ab3d8761e1c37f297097317ad7f8fa70fd02a6cb846731
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/quirc/0.0.1:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b02b54a1de21db52390e6cbdfe1f8b65b29c1a7a4095ee405082f433e75daf9f
[INFO] running `"docker" "start" "-a" "b02b54a1de21db52390e6cbdfe1f8b65b29c1a7a4095ee405082f433e75daf9f"`
[INFO] [stderr]    Compiling checked_int_cast v1.0.0
[INFO] [stderr] warning: /opt/crater/workdir/c/decode.c: In function 'decode_payload':
[INFO] [stderr] warning: /opt/crater/workdir/c/decode.c:877:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
[INFO] [stderr] warning:   if (data->payload_len >= sizeof(data->payload))
[INFO] [stderr] warning:                         ^~
[INFO] [stderr] warning: /opt/crater/workdir/c/identify.c: In function 'area_count':
[INFO] [stderr] warning: /opt/crater/workdir/c/identify.c:233:45: warning: unused parameter 'y' [-Wunused-parameter]
[INFO] [stderr] warning:  static void area_count(void *user_data, int y, int left, int right)
[INFO] [stderr] warning:                                              ^
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling qrcode v0.5.0
[INFO] [stderr]    Compiling quirc v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.96s
[INFO] running `"docker" "inspect" "b02b54a1de21db52390e6cbdfe1f8b65b29c1a7a4095ee405082f433e75daf9f"`
[INFO] running `"docker" "rm" "-f" "b02b54a1de21db52390e6cbdfe1f8b65b29c1a7a4095ee405082f433e75daf9f"`
[INFO] [stdout] b02b54a1de21db52390e6cbdfe1f8b65b29c1a7a4095ee405082f433e75daf9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/quirc/0.0.1:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0b4532380ddb016b46af490f462d1bfa1485bf8f90178702074652fbfe28ff67
[INFO] running `"docker" "start" "-a" "0b4532380ddb016b46af490f462d1bfa1485bf8f90178702074652fbfe28ff67"`
[INFO] [stderr] warning: /opt/crater/workdir/c/decode.c: In function 'decode_payload':
[INFO] [stderr] warning: /opt/crater/workdir/c/decode.c:877:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
[INFO] [stderr] warning:   if (data->payload_len >= sizeof(data->payload))
[INFO] [stderr] warning:                         ^~
[INFO] [stderr] warning: /opt/crater/workdir/c/identify.c: In function 'area_count':
[INFO] [stderr] warning: /opt/crater/workdir/c/identify.c:233:45: warning: unused parameter 'y' [-Wunused-parameter]
[INFO] [stderr] warning:  static void area_count(void *user_data, int y, int left, int right)
[INFO] [stderr] warning:                                              ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quirc-ca5b7e7dbb823f93
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::decode_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quirc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0b4532380ddb016b46af490f462d1bfa1485bf8f90178702074652fbfe28ff67"`
[INFO] running `"docker" "rm" "-f" "0b4532380ddb016b46af490f462d1bfa1485bf8f90178702074652fbfe28ff67"`
[INFO] [stdout] 0b4532380ddb016b46af490f462d1bfa1485bf8f90178702074652fbfe28ff67