[INFO] updating cached repository juhnowski/rust_hello_world
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/juhnowski/rust_hello_world
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/juhnowski/rust_hello_world" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/juhnowski/rust_hello_world"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/juhnowski/rust_hello_world'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/juhnowski/rust_hello_world" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/juhnowski/rust_hello_world"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/juhnowski/rust_hello_world'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2fd08360e71bc2c8d6588ee2d6b9cfc799418fc
[INFO] sha for GitHub repo juhnowski/rust_hello_world: c2fd08360e71bc2c8d6588ee2d6b9cfc799418fc
[INFO] validating manifest of juhnowski/rust_hello_world on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of juhnowski/rust_hello_world on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing juhnowski/rust_hello_world
[INFO] finished frobbing juhnowski/rust_hello_world
[INFO] frobbed toml for juhnowski/rust_hello_world written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/juhnowski/rust_hello_world/Cargo.toml
[INFO] started frobbing juhnowski/rust_hello_world
[INFO] finished frobbing juhnowski/rust_hello_world
[INFO] frobbed toml for juhnowski/rust_hello_world written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/juhnowski/rust_hello_world/Cargo.toml
[INFO] crate juhnowski/rust_hello_world has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing juhnowski/rust_hello_world against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/juhnowski/rust_hello_world:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] b8ea9c09268e278ff21c1e03be85c8d9fe96e79c9a62c902a01d786c75fcf77b
[INFO] running `"docker" "start" "-a" "b8ea9c09268e278ff21c1e03be85c8d9fe96e79c9a62c902a01d786c75fcf77b"`
[INFO] [stderr]    Compiling HelloWorld v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `HelloWorld` 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: `hello_world`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "b8ea9c09268e278ff21c1e03be85c8d9fe96e79c9a62c902a01d786c75fcf77b"`
[INFO] running `"docker" "rm" "-f" "b8ea9c09268e278ff21c1e03be85c8d9fe96e79c9a62c902a01d786c75fcf77b"`
[INFO] [stdout] b8ea9c09268e278ff21c1e03be85c8d9fe96e79c9a62c902a01d786c75fcf77b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/juhnowski/rust_hello_world:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5f62c8d62e24f8972774676fcdf99397b6cbd5561264cf6953b6d4c0b6fdcfc7
[INFO] running `"docker" "start" "-a" "5f62c8d62e24f8972774676fcdf99397b6cbd5561264cf6953b6d4c0b6fdcfc7"`
[INFO] [stderr]    Compiling HelloWorld v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `HelloWorld` 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: `hello_world`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "5f62c8d62e24f8972774676fcdf99397b6cbd5561264cf6953b6d4c0b6fdcfc7"`
[INFO] running `"docker" "rm" "-f" "5f62c8d62e24f8972774676fcdf99397b6cbd5561264cf6953b6d4c0b6fdcfc7"`
[INFO] [stdout] 5f62c8d62e24f8972774676fcdf99397b6cbd5561264cf6953b6d4c0b6fdcfc7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/juhnowski/rust_hello_world:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] bb3ae7ec1e5b05cc36522a4c8a133bd11881ec3998c42bcf36af7dc9e6f6b8cc
[INFO] running `"docker" "start" "-a" "bb3ae7ec1e5b05cc36522a4c8a133bd11881ec3998c42bcf36af7dc9e6f6b8cc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/HelloWorld-8f682d7090706f92
[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" "bb3ae7ec1e5b05cc36522a4c8a133bd11881ec3998c42bcf36af7dc9e6f6b8cc"`
[INFO] running `"docker" "rm" "-f" "bb3ae7ec1e5b05cc36522a4c8a133bd11881ec3998c42bcf36af7dc9e6f6b8cc"`
[INFO] [stdout] bb3ae7ec1e5b05cc36522a4c8a133bd11881ec3998c42bcf36af7dc9e6f6b8cc