[INFO] updating cached repository mattcl/repo-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattcl/repo-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattcl/repo-rs" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattcl/repo-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattcl/repo-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattcl/repo-rs" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattcl/repo-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattcl/repo-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9da6b8d4dcc6649d9c73cbdd526ada6647c7a2ae
[INFO] sha for GitHub repo mattcl/repo-rs: 9da6b8d4dcc6649d9c73cbdd526ada6647c7a2ae
[INFO] validating manifest of mattcl/repo-rs on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mattcl/repo-rs on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mattcl/repo-rs
[INFO] finished frobbing mattcl/repo-rs
[INFO] frobbed toml for mattcl/repo-rs written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattcl/repo-rs/Cargo.toml
[INFO] started frobbing mattcl/repo-rs
[INFO] finished frobbing mattcl/repo-rs
[INFO] frobbed toml for mattcl/repo-rs written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattcl/repo-rs/Cargo.toml
[INFO] crate mattcl/repo-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mattcl/repo-rs against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattcl/repo-rs:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e763f91712fe8f5b6fd5b6e55bc99c0a2bf05e770fd4f6841c82ec306bb08058
[INFO] running `"docker" "start" "-a" "e763f91712fe8f5b6fd5b6e55bc99c0a2bf05e770fd4f6841c82ec306bb08058"`
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking serde v1.0.4
[INFO] [stderr]     Checking openssl-probe v0.1.1
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking encode_unicode v0.2.0
[INFO] [stderr]     Checking term v0.4.5
[INFO] [stderr]    Compiling cmake v0.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.11
[INFO] [stderr]    Compiling libz-sys v1.0.13
[INFO] [stderr]    Compiling curl-sys v0.3.11
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking num_cpus v1.5.0
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]     Checking idna v0.1.1
[INFO] [stderr]     Checking backtrace-sys v0.1.10
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling libgit2-sys v0.6.10
[INFO] [stderr]     Checking prettytable-rs v0.6.6
[INFO] [stderr]    Compiling serde_derive v1.0.4
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking git2 v0.6.5
[INFO] [stderr]     Checking repo-rs 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/main.rs:36:35
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let default_config_path_raw = env::home_dir()
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` 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:36:35
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let default_config_path_raw = env::home_dir()
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         VarError(env::VarError);
[INFO] [stderr] 11 | |         IOError(io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     // }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         VarError(env::VarError);
[INFO] [stderr] 11 | |         IOError(io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     // }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 52s
[INFO] running `"docker" "inspect" "e763f91712fe8f5b6fd5b6e55bc99c0a2bf05e770fd4f6841c82ec306bb08058"`
[INFO] running `"docker" "rm" "-f" "e763f91712fe8f5b6fd5b6e55bc99c0a2bf05e770fd4f6841c82ec306bb08058"`
[INFO] [stdout] e763f91712fe8f5b6fd5b6e55bc99c0a2bf05e770fd4f6841c82ec306bb08058