[INFO] crate uniblocks 0.0.0 is already in cache
[INFO] extracting crate uniblocks 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/uniblocks/0.0.0
[INFO] extracting crate uniblocks 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uniblocks/0.0.0
[INFO] validating manifest of uniblocks-0.0.0 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 uniblocks-0.0.0 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 uniblocks-0.0.0
[INFO] finished frobbing uniblocks-0.0.0
[INFO] frobbed toml for uniblocks-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/uniblocks/0.0.0/Cargo.toml
[INFO] started frobbing uniblocks-0.0.0
[INFO] finished frobbing uniblocks-0.0.0
[INFO] frobbed toml for uniblocks-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uniblocks/0.0.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing uniblocks-0.0.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/uniblocks/0.0.0:/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] 1e5d3ac2c8c8ad7d912ff119cae48d3c781eb53a48a20cabf87774564f896e48
[INFO] running `"docker" "start" "-a" "1e5d3ac2c8c8ad7d912ff119cae48d3c781eb53a48a20cabf87774564f896e48"`
[INFO] [stderr]    Compiling uniblocks v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `contains_char`
[INFO] [stderr]    --> src/block.rs:855:5
[INFO] [stderr]     |
[INFO] [stderr] 855 |     pub fn contains_char(self, c: char) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "1e5d3ac2c8c8ad7d912ff119cae48d3c781eb53a48a20cabf87774564f896e48"`
[INFO] running `"docker" "rm" "-f" "1e5d3ac2c8c8ad7d912ff119cae48d3c781eb53a48a20cabf87774564f896e48"`
[INFO] [stdout] 1e5d3ac2c8c8ad7d912ff119cae48d3c781eb53a48a20cabf87774564f896e48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/uniblocks/0.0.0:/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] 444a9b43382fc4081a8715e122c5d800c329bbf4027faf73bdb6ea48db028e73
[INFO] running `"docker" "start" "-a" "444a9b43382fc4081a8715e122c5d800c329bbf4027faf73bdb6ea48db028e73"`
[INFO] [stderr]    Compiling uniblocks v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `contains_char`
[INFO] [stderr]    --> src/block.rs:855:5
[INFO] [stderr]     |
[INFO] [stderr] 855 |     pub fn contains_char(self, c: char) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "444a9b43382fc4081a8715e122c5d800c329bbf4027faf73bdb6ea48db028e73"`
[INFO] running `"docker" "rm" "-f" "444a9b43382fc4081a8715e122c5d800c329bbf4027faf73bdb6ea48db028e73"`
[INFO] [stdout] 444a9b43382fc4081a8715e122c5d800c329bbf4027faf73bdb6ea48db028e73
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/uniblocks/0.0.0:/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] 8bcb66aca3d96d7ed2e3009bfa7aceacb7b2b92bda9e2d2586cbff81e9c4295e
[INFO] running `"docker" "start" "-a" "8bcb66aca3d96d7ed2e3009bfa7aceacb7b2b92bda9e2d2586cbff81e9c4295e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/uniblocks-54e1d45821cce16d
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8bcb66aca3d96d7ed2e3009bfa7aceacb7b2b92bda9e2d2586cbff81e9c4295e"`
[INFO] running `"docker" "rm" "-f" "8bcb66aca3d96d7ed2e3009bfa7aceacb7b2b92bda9e2d2586cbff81e9c4295e"`
[INFO] [stdout] 8bcb66aca3d96d7ed2e3009bfa7aceacb7b2b92bda9e2d2586cbff81e9c4295e