[INFO] updating cached repository philippkeller/rustup-toolchain-proxy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/philippkeller/rustup-toolchain-proxy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/philippkeller/rustup-toolchain-proxy" "work/ex/beta-1.38-1/sources/1.37.0/gh/philippkeller/rustup-toolchain-proxy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/philippkeller/rustup-toolchain-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/philippkeller/rustup-toolchain-proxy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/philippkeller/rustup-toolchain-proxy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/philippkeller/rustup-toolchain-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39c20035fa3c0866d43cfd15489faccdbf9dc02f
[INFO] sha for GitHub repo philippkeller/rustup-toolchain-proxy: 39c20035fa3c0866d43cfd15489faccdbf9dc02f
[INFO] validating manifest of philippkeller/rustup-toolchain-proxy 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 philippkeller/rustup-toolchain-proxy 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 philippkeller/rustup-toolchain-proxy
[INFO] finished frobbing philippkeller/rustup-toolchain-proxy
[INFO] frobbed toml for philippkeller/rustup-toolchain-proxy written to work/ex/beta-1.38-1/sources/1.37.0/gh/philippkeller/rustup-toolchain-proxy/Cargo.toml
[INFO] started frobbing philippkeller/rustup-toolchain-proxy
[INFO] finished frobbing philippkeller/rustup-toolchain-proxy
[INFO] frobbed toml for philippkeller/rustup-toolchain-proxy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/philippkeller/rustup-toolchain-proxy/Cargo.toml
[INFO] crate philippkeller/rustup-toolchain-proxy 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 philippkeller/rustup-toolchain-proxy 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/philippkeller/rustup-toolchain-proxy:/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] 36394d8f248cadc144cc4f60108bd91a2133c8fbbffc46c0c4eee0d6f37831cd
[INFO] running `"docker" "start" "-a" "36394d8f248cadc144cc4f60108bd91a2133c8fbbffc46c0c4eee0d6f37831cd"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling rustup-toolchain-proxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/lib.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let home_dir = env::home_dir().expect("could not retrieve HOME var").to_str().expect("hm. utf8 error..?").to_string();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `"docker" "inspect" "36394d8f248cadc144cc4f60108bd91a2133c8fbbffc46c0c4eee0d6f37831cd"`
[INFO] running `"docker" "rm" "-f" "36394d8f248cadc144cc4f60108bd91a2133c8fbbffc46c0c4eee0d6f37831cd"`
[INFO] [stdout] 36394d8f248cadc144cc4f60108bd91a2133c8fbbffc46c0c4eee0d6f37831cd
[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/philippkeller/rustup-toolchain-proxy:/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] d743de0f84b3b4439f6830eeef303d4dc00bda0f32240d611cb9ad9ca0e4f182
[INFO] running `"docker" "start" "-a" "d743de0f84b3b4439f6830eeef303d4dc00bda0f32240d611cb9ad9ca0e4f182"`
[INFO] [stderr]    Compiling rustup-toolchain-proxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/lib.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let home_dir = env::home_dir().expect("could not retrieve HOME var").to_str().expect("hm. utf8 error..?").to_string();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "d743de0f84b3b4439f6830eeef303d4dc00bda0f32240d611cb9ad9ca0e4f182"`
[INFO] running `"docker" "rm" "-f" "d743de0f84b3b4439f6830eeef303d4dc00bda0f32240d611cb9ad9ca0e4f182"`
[INFO] [stdout] d743de0f84b3b4439f6830eeef303d4dc00bda0f32240d611cb9ad9ca0e4f182
[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/philippkeller/rustup-toolchain-proxy:/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] 06fc186e2402b534ac90a0ecd4f71afe69f46ac33a8094bb69a47b8966f9ee17
[INFO] running `"docker" "start" "-a" "06fc186e2402b534ac90a0ecd4f71afe69f46ac33a8094bb69a47b8966f9ee17"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/proxy-d052b9f6deaae401
[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] [stderr]      Running /opt/crater/target/debug/deps/cargo-9e09f9416ddf7435
[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] [stderr]      Running /opt/crater/target/debug/deps/rustc-9ba8aaedba3fab98
[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] [stderr]      Running /opt/crater/target/debug/deps/rustdoc-7183fd020e953abb
[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] [stderr]    Doc-tests proxy
[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" "06fc186e2402b534ac90a0ecd4f71afe69f46ac33a8094bb69a47b8966f9ee17"`
[INFO] running `"docker" "rm" "-f" "06fc186e2402b534ac90a0ecd4f71afe69f46ac33a8094bb69a47b8966f9ee17"`
[INFO] [stdout] 06fc186e2402b534ac90a0ecd4f71afe69f46ac33a8094bb69a47b8966f9ee17