[INFO] updating cached repository phorden/Rust-Types-And-Variables
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phorden/Rust-Types-And-Variables
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phorden/Rust-Types-And-Variables" "work/ex/beta-1.38-1/sources/1.37.0/gh/phorden/Rust-Types-And-Variables"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phorden/Rust-Types-And-Variables'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phorden/Rust-Types-And-Variables" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phorden/Rust-Types-And-Variables"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phorden/Rust-Types-And-Variables'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33f4fbbb4ab4619f15acc5883564b09f5bbaf448
[INFO] sha for GitHub repo phorden/Rust-Types-And-Variables: 33f4fbbb4ab4619f15acc5883564b09f5bbaf448
[INFO] validating manifest of phorden/Rust-Types-And-Variables 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 phorden/Rust-Types-And-Variables 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 phorden/Rust-Types-And-Variables
[INFO] finished frobbing phorden/Rust-Types-And-Variables
[INFO] frobbed toml for phorden/Rust-Types-And-Variables written to work/ex/beta-1.38-1/sources/1.37.0/gh/phorden/Rust-Types-And-Variables/Cargo.toml
[INFO] started frobbing phorden/Rust-Types-And-Variables
[INFO] finished frobbing phorden/Rust-Types-And-Variables
[INFO] frobbed toml for phorden/Rust-Types-And-Variables written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phorden/Rust-Types-And-Variables/Cargo.toml
[INFO] crate phorden/Rust-Types-And-Variables 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing phorden/Rust-Types-And-Variables 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/phorden/Rust-Types-And-Variables:/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] 3d6019afdafb809fec159ea50145c83bab5b28c4b8425a056cd2cbefb34082d4
[INFO] running `"docker" "start" "-a" "3d6019afdafb809fec159ea50145c83bab5b28c4b8425a056cd2cbefb34082d4"`
[INFO] [stderr]    Compiling TypesAndVariables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `pi_less_four`
[INFO] [stderr]   --> src/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let pi_less_four = std::f64::consts::PI < 4.0; // true
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_pi_less_four`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_is_five`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let x_is_five = x == 5; // true
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_x_is_five`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scope_and_shadowing`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn scope_and_shadowing() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `operators`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn operators() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `TypesAndVariables` 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: `types_and_variables`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "3d6019afdafb809fec159ea50145c83bab5b28c4b8425a056cd2cbefb34082d4"`
[INFO] running `"docker" "rm" "-f" "3d6019afdafb809fec159ea50145c83bab5b28c4b8425a056cd2cbefb34082d4"`
[INFO] [stdout] 3d6019afdafb809fec159ea50145c83bab5b28c4b8425a056cd2cbefb34082d4
[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/phorden/Rust-Types-And-Variables:/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] 160466d95c4ae74ec350b4a855d7cc479161992269efde7f0d63dd478590c1da
[INFO] running `"docker" "start" "-a" "160466d95c4ae74ec350b4a855d7cc479161992269efde7f0d63dd478590c1da"`
[INFO] [stderr]    Compiling TypesAndVariables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `pi_less_four`
[INFO] [stderr]   --> src/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let pi_less_four = std::f64::consts::PI < 4.0; // true
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_pi_less_four`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_is_five`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let x_is_five = x == 5; // true
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_x_is_five`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scope_and_shadowing`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn scope_and_shadowing() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `operators`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn operators() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `TypesAndVariables` 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: `types_and_variables`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "160466d95c4ae74ec350b4a855d7cc479161992269efde7f0d63dd478590c1da"`
[INFO] running `"docker" "rm" "-f" "160466d95c4ae74ec350b4a855d7cc479161992269efde7f0d63dd478590c1da"`
[INFO] [stdout] 160466d95c4ae74ec350b4a855d7cc479161992269efde7f0d63dd478590c1da
[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/phorden/Rust-Types-And-Variables:/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] 7474a045f5147f08bc0b4231beacf51fc2606d0b2a06082ff6dc6a6faa121e39
[INFO] running `"docker" "start" "-a" "7474a045f5147f08bc0b4231beacf51fc2606d0b2a06082ff6dc6a6faa121e39"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/TypesAndVariables-4ff41ebab77770cb
[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" "7474a045f5147f08bc0b4231beacf51fc2606d0b2a06082ff6dc6a6faa121e39"`
[INFO] running `"docker" "rm" "-f" "7474a045f5147f08bc0b4231beacf51fc2606d0b2a06082ff6dc6a6faa121e39"`
[INFO] [stdout] 7474a045f5147f08bc0b4231beacf51fc2606d0b2a06082ff6dc6a6faa121e39