[INFO] updating cached repository Mistodon/piggy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mistodon/piggy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mistodon/piggy" "work/ex/beta-1.37-6/sources/1.36.0/gh/Mistodon/piggy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Mistodon/piggy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mistodon/piggy" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Mistodon/piggy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Mistodon/piggy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac13b814883d70debeed25f86626d9cec37994b8
[INFO] sha for GitHub repo Mistodon/piggy: ac13b814883d70debeed25f86626d9cec37994b8
[INFO] validating manifest of Mistodon/piggy on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Mistodon/piggy on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Mistodon/piggy
[INFO] finished frobbing Mistodon/piggy
[INFO] frobbed toml for Mistodon/piggy written to work/ex/beta-1.37-6/sources/1.36.0/gh/Mistodon/piggy/Cargo.toml
[INFO] started frobbing Mistodon/piggy
[INFO] finished frobbing Mistodon/piggy
[INFO] frobbed toml for Mistodon/piggy written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Mistodon/piggy/Cargo.toml
[INFO] crate Mistodon/piggy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Mistodon/piggy against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Mistodon/piggy:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8a5b084249f2a7b96f9e727493f88959a4b65e2ad628a1db4fa91a086fcbfc39
[INFO] running `"docker" "start" "-a" "8a5b084249f2a7b96f9e727493f88959a4b65e2ad628a1db4fa91a086fcbfc39"`
[INFO] [stderr]    Compiling serde v1.0.18
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.18
[INFO] [stderr]    Compiling structopt v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_yaml v0.7.1
[INFO] [stderr]    Compiling piggy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `FromStr` is imported redundantly
[INFO] [stderr]   --> src/data.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::str::FromStr;
[INFO] [stderr]    |     ----------------- the item `FromStr` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 42 |         use std::str::FromStr;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[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/main.rs:135:40
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let mut home = expect!(env::home_dir(), "Failed to find home directory");
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.31s
[INFO] running `"docker" "inspect" "8a5b084249f2a7b96f9e727493f88959a4b65e2ad628a1db4fa91a086fcbfc39"`
[INFO] running `"docker" "rm" "-f" "8a5b084249f2a7b96f9e727493f88959a4b65e2ad628a1db4fa91a086fcbfc39"`
[INFO] [stdout] 8a5b084249f2a7b96f9e727493f88959a4b65e2ad628a1db4fa91a086fcbfc39
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Mistodon/piggy:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1eca645309fb9546a9e856e0d6d09c75e31fb0fc47f2327e3853133e74c5bbe8
[INFO] running `"docker" "start" "-a" "1eca645309fb9546a9e856e0d6d09c75e31fb0fc47f2327e3853133e74c5bbe8"`
[INFO] [stderr]    Compiling piggy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `FromStr` is imported redundantly
[INFO] [stderr]   --> src/data.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::str::FromStr;
[INFO] [stderr]    |     ----------------- the item `FromStr` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 42 |         use std::str::FromStr;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[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/main.rs:135:40
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let mut home = expect!(env::home_dir(), "Failed to find home directory");
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "1eca645309fb9546a9e856e0d6d09c75e31fb0fc47f2327e3853133e74c5bbe8"`
[INFO] running `"docker" "rm" "-f" "1eca645309fb9546a9e856e0d6d09c75e31fb0fc47f2327e3853133e74c5bbe8"`
[INFO] [stdout] 1eca645309fb9546a9e856e0d6d09c75e31fb0fc47f2327e3853133e74c5bbe8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Mistodon/piggy:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e68b8afb98a6e83e3efb1d8ffb207300e04206186a1eb8a8603773faa44016a4
[INFO] running `"docker" "start" "-a" "e68b8afb98a6e83e3efb1d8ffb207300e04206186a1eb8a8603773faa44016a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/piggy-ec8bda3bbb905437
[INFO] [stderr]      Running /opt/crater/target/debug/deps/piggy-e7f77d47817b23e5
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests piggy
[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] [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] [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" "e68b8afb98a6e83e3efb1d8ffb207300e04206186a1eb8a8603773faa44016a4"`
[INFO] running `"docker" "rm" "-f" "e68b8afb98a6e83e3efb1d8ffb207300e04206186a1eb8a8603773faa44016a4"`
[INFO] [stdout] e68b8afb98a6e83e3efb1d8ffb207300e04206186a1eb8a8603773faa44016a4