[INFO] updating cached repository msikma/readc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/msikma/readc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/msikma/readc" "work/ex/beta-1.38-1/sources/1.37.0/gh/msikma/readc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/msikma/readc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/msikma/readc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/msikma/readc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/msikma/readc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 783c49505711fc5e559740bd6b78265036ac0ecd
[INFO] sha for GitHub repo msikma/readc: 783c49505711fc5e559740bd6b78265036ac0ecd
[INFO] validating manifest of msikma/readc 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 msikma/readc 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 msikma/readc
[INFO] finished frobbing msikma/readc
[INFO] frobbed toml for msikma/readc written to work/ex/beta-1.38-1/sources/1.37.0/gh/msikma/readc/Cargo.toml
[INFO] started frobbing msikma/readc
[INFO] finished frobbing msikma/readc
[INFO] frobbed toml for msikma/readc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/msikma/readc/Cargo.toml
[INFO] crate msikma/readc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/msikma/readc/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 msikma/readc 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/msikma/readc:/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] 94d42c51cc068428c83a5ee0bace1f3789b2abf87054b5038955310e19ccc18c
[INFO] running `"docker" "start" "-a" "94d42c51cc068428c83a5ee0bace1f3789b2abf87054b5038955310e19ccc18c"`
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling readc v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `"docker" "inspect" "94d42c51cc068428c83a5ee0bace1f3789b2abf87054b5038955310e19ccc18c"`
[INFO] running `"docker" "rm" "-f" "94d42c51cc068428c83a5ee0bace1f3789b2abf87054b5038955310e19ccc18c"`
[INFO] [stdout] 94d42c51cc068428c83a5ee0bace1f3789b2abf87054b5038955310e19ccc18c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/msikma/readc:/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] 1dd2e9d1e62c0c8f352aab3a844a80904555fb126ca2bea3ac64379b339e5aa9
[INFO] running `"docker" "start" "-a" "1dd2e9d1e62c0c8f352aab3a844a80904555fb126ca2bea3ac64379b339e5aa9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling readc v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "1dd2e9d1e62c0c8f352aab3a844a80904555fb126ca2bea3ac64379b339e5aa9"`
[INFO] running `"docker" "rm" "-f" "1dd2e9d1e62c0c8f352aab3a844a80904555fb126ca2bea3ac64379b339e5aa9"`
[INFO] [stdout] 1dd2e9d1e62c0c8f352aab3a844a80904555fb126ca2bea3ac64379b339e5aa9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/msikma/readc:/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] ca0edb7267e60247eeffc48d1299203f7e69d37ea1d320339d5d8f6084f5d49f
[INFO] running `"docker" "start" "-a" "ca0edb7267e60247eeffc48d1299203f7e69d37ea1d320339d5d8f6084f5d49f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/readc-f5518e7cd10b2c62
[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" "ca0edb7267e60247eeffc48d1299203f7e69d37ea1d320339d5d8f6084f5d49f"`
[INFO] running `"docker" "rm" "-f" "ca0edb7267e60247eeffc48d1299203f7e69d37ea1d320339d5d8f6084f5d49f"`
[INFO] [stdout] ca0edb7267e60247eeffc48d1299203f7e69d37ea1d320339d5d8f6084f5d49f