[INFO] updating cached repository thepunkprogrammer/hello-world-cargo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thepunkprogrammer/hello-world-cargo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thepunkprogrammer/hello-world-cargo" "work/ex/beta-1.38-1/sources/1.37.0/gh/thepunkprogrammer/hello-world-cargo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/thepunkprogrammer/hello-world-cargo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thepunkprogrammer/hello-world-cargo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thepunkprogrammer/hello-world-cargo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thepunkprogrammer/hello-world-cargo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d20fb31edfb0075d1ab521b281e247d3f32342c7
[INFO] sha for GitHub repo thepunkprogrammer/hello-world-cargo: d20fb31edfb0075d1ab521b281e247d3f32342c7
[INFO] validating manifest of thepunkprogrammer/hello-world-cargo 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 thepunkprogrammer/hello-world-cargo 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 thepunkprogrammer/hello-world-cargo
[INFO] finished frobbing thepunkprogrammer/hello-world-cargo
[INFO] frobbed toml for thepunkprogrammer/hello-world-cargo written to work/ex/beta-1.38-1/sources/1.37.0/gh/thepunkprogrammer/hello-world-cargo/Cargo.toml
[INFO] started frobbing thepunkprogrammer/hello-world-cargo
[INFO] finished frobbing thepunkprogrammer/hello-world-cargo
[INFO] frobbed toml for thepunkprogrammer/hello-world-cargo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thepunkprogrammer/hello-world-cargo/Cargo.toml
[INFO] crate thepunkprogrammer/hello-world-cargo 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] testing thepunkprogrammer/hello-world-cargo 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-3/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/thepunkprogrammer/hello-world-cargo:/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] 0cf398e115dc9a527701563c3b7baed56251e00a32eab8e7410df539333793fb
[INFO] running `"docker" "start" "-a" "0cf398e115dc9a527701563c3b7baed56251e00a32eab8e7410df539333793fb"`
[INFO] [stderr]    Compiling hello-world-cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `up` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     up,
[INFO] [stderr]   |     ^^ help: convert the identifier to upper camel case: `Up`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `down` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     down,
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Down`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `left` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     left,
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `right` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     right
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `down`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     down,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `left`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `right`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     right
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "0cf398e115dc9a527701563c3b7baed56251e00a32eab8e7410df539333793fb"`
[INFO] running `"docker" "rm" "-f" "0cf398e115dc9a527701563c3b7baed56251e00a32eab8e7410df539333793fb"`
[INFO] [stdout] 0cf398e115dc9a527701563c3b7baed56251e00a32eab8e7410df539333793fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/thepunkprogrammer/hello-world-cargo:/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] d27d5753a9c9bd889eb7c207f777d16c3aa828bccefe5fdcf56b196413685d1c
[INFO] running `"docker" "start" "-a" "d27d5753a9c9bd889eb7c207f777d16c3aa828bccefe5fdcf56b196413685d1c"`
[INFO] [stderr]    Compiling hello-world-cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `up` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     up,
[INFO] [stderr]   |     ^^ help: convert the identifier to upper camel case: `Up`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `down` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     down,
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Down`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `left` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     left,
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `right` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     right
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `down`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     down,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `left`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `right`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     right
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "d27d5753a9c9bd889eb7c207f777d16c3aa828bccefe5fdcf56b196413685d1c"`
[INFO] running `"docker" "rm" "-f" "d27d5753a9c9bd889eb7c207f777d16c3aa828bccefe5fdcf56b196413685d1c"`
[INFO] [stdout] d27d5753a9c9bd889eb7c207f777d16c3aa828bccefe5fdcf56b196413685d1c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/thepunkprogrammer/hello-world-cargo:/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] c3173cb208411c32346e073a6cc034fb11c90af1a2b7c2c67a8da185e62201c0
[INFO] running `"docker" "start" "-a" "c3173cb208411c32346e073a6cc034fb11c90af1a2b7c2c67a8da185e62201c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world_cargo-bbddebb567070079
[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" "c3173cb208411c32346e073a6cc034fb11c90af1a2b7c2c67a8da185e62201c0"`
[INFO] running `"docker" "rm" "-f" "c3173cb208411c32346e073a6cc034fb11c90af1a2b7c2c67a8da185e62201c0"`
[INFO] [stdout] c3173cb208411c32346e073a6cc034fb11c90af1a2b7c2c67a8da185e62201c0