[INFO] updating cached repository Rupii/Rust-Basics
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rupii/Rust-Basics
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rupii/Rust-Basics" "work/ex/beta-1.38-1/sources/1.37.0/gh/Rupii/Rust-Basics"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Rupii/Rust-Basics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rupii/Rust-Basics" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rupii/Rust-Basics"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rupii/Rust-Basics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77207e24aea06050359ead897d089dc75b878de7
[INFO] sha for GitHub repo Rupii/Rust-Basics: 77207e24aea06050359ead897d089dc75b878de7
[INFO] validating manifest of Rupii/Rust-Basics 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 Rupii/Rust-Basics 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 Rupii/Rust-Basics
[INFO] finished frobbing Rupii/Rust-Basics
[INFO] frobbed toml for Rupii/Rust-Basics written to work/ex/beta-1.38-1/sources/1.37.0/gh/Rupii/Rust-Basics/Cargo.toml
[INFO] started frobbing Rupii/Rust-Basics
[INFO] finished frobbing Rupii/Rust-Basics
[INFO] frobbed toml for Rupii/Rust-Basics written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rupii/Rust-Basics/Cargo.toml
[INFO] crate Rupii/Rust-Basics 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]     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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Rupii/Rust-Basics against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rupii/Rust-Basics:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ab6d7f73f5b46857b0300f3611d16232bbad73895929f0594455ba5fdd8ef5fe
[INFO] running `"docker" "start" "-a" "ab6d7f73f5b46857b0300f3611d16232bbad73895929f0594455ba5fdd8ef5fe"`
[INFO] [stderr]    Compiling Rust-Basics v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Rust_Basics` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_basics`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "ab6d7f73f5b46857b0300f3611d16232bbad73895929f0594455ba5fdd8ef5fe"`
[INFO] running `"docker" "rm" "-f" "ab6d7f73f5b46857b0300f3611d16232bbad73895929f0594455ba5fdd8ef5fe"`
[INFO] [stdout] ab6d7f73f5b46857b0300f3611d16232bbad73895929f0594455ba5fdd8ef5fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rupii/Rust-Basics:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ef77f5fdd56ad0408350e45cb3452707eb5e8daa5d108613fe2486b9e0034736
[INFO] running `"docker" "start" "-a" "ef77f5fdd56ad0408350e45cb3452707eb5e8daa5d108613fe2486b9e0034736"`
[INFO] [stderr]    Compiling Rust-Basics v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Rust_Basics` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_basics`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "ef77f5fdd56ad0408350e45cb3452707eb5e8daa5d108613fe2486b9e0034736"`
[INFO] running `"docker" "rm" "-f" "ef77f5fdd56ad0408350e45cb3452707eb5e8daa5d108613fe2486b9e0034736"`
[INFO] [stdout] ef77f5fdd56ad0408350e45cb3452707eb5e8daa5d108613fe2486b9e0034736
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rupii/Rust-Basics:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b27d7e6c2864d431a317479d136bad6046824fec443af28a4233bd5712d14e10
[INFO] running `"docker" "start" "-a" "b27d7e6c2864d431a317479d136bad6046824fec443af28a4233bd5712d14e10"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Rust_Basics-b7c7b8eef6aafce6
[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" "b27d7e6c2864d431a317479d136bad6046824fec443af28a4233bd5712d14e10"`
[INFO] running `"docker" "rm" "-f" "b27d7e6c2864d431a317479d136bad6046824fec443af28a4233bd5712d14e10"`
[INFO] [stdout] b27d7e6c2864d431a317479d136bad6046824fec443af28a4233bd5712d14e10