[INFO] cloning repository Coneko/stack
[INFO] running `"git" "clone" "--bare" "git://github.com/Coneko/stack.git" "work/cache/sources/gh/Coneko/stack"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Coneko/stack'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Coneko/stack" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Coneko/stack"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Coneko/stack'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Coneko/stack" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Coneko/stack"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Coneko/stack'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 184a8d91e18b204b5e3eaa859b9ffb4c9ac0e05a
[INFO] sha for GitHub repo Coneko/stack: 184a8d91e18b204b5e3eaa859b9ffb4c9ac0e05a
[INFO] validating manifest of Coneko/stack on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Coneko/stack on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Coneko/stack
[INFO] finished frobbing Coneko/stack
[INFO] frobbed toml for Coneko/stack written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Coneko/stack/Cargo.toml
[INFO] started frobbing Coneko/stack
[INFO] finished frobbing Coneko/stack
[INFO] frobbed toml for Coneko/stack written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Coneko/stack/Cargo.toml
[INFO] crate Coneko/stack already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing Coneko/stack against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Coneko/stack:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] c070eca6001473f36ce3704db25da2e96a8f6c8c1a64321f326e828468c8f215
[INFO] running `"docker" "start" "-a" "c070eca6001473f36ce3704db25da2e96a8f6c8c1a64321f326e828468c8f215"`
[INFO] [stderr]    Compiling openssl v0.9.23
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling unindent v0.1.2
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.24
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling curl-sys v0.4.1
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling mio v0.6.12
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling libgit2-sys v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling indoc-impl v0.2.3
[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-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     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]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling indoc v0.2.3
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling hyper v0.11.16
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[INFO] [stderr]    Compiling hubcaps v0.4.3
[INFO] [stderr]    Compiling git2 v0.7.1
[INFO] [stderr]    Compiling stack v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `changeset`
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let changeset = changeset::Changeset::new_from_editor(github_owner, github_repo_name)
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_changeset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pr`
[INFO] [stderr]    --> src/main.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |     let pr = core.run(pull_requests.create(&pull_options))
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_pr`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 00s
[INFO] running `"docker" "inspect" "c070eca6001473f36ce3704db25da2e96a8f6c8c1a64321f326e828468c8f215"`
[INFO] running `"docker" "rm" "-f" "c070eca6001473f36ce3704db25da2e96a8f6c8c1a64321f326e828468c8f215"`
[INFO] [stdout] c070eca6001473f36ce3704db25da2e96a8f6c8c1a64321f326e828468c8f215
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Coneko/stack:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e45b3210613efa6eaea353a66912c8c33b4392ad3febdeff13ed02f47f44e3d
[INFO] running `"docker" "start" "-a" "9e45b3210613efa6eaea353a66912c8c33b4392ad3febdeff13ed02f47f44e3d"`
[INFO] [stderr]    Compiling stack v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `changeset`
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let changeset = changeset::Changeset::new_from_editor(github_owner, github_repo_name)
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_changeset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pr`
[INFO] [stderr]    --> src/main.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |     let pr = core.run(pull_requests.create(&pull_options))
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_pr`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "9e45b3210613efa6eaea353a66912c8c33b4392ad3febdeff13ed02f47f44e3d"`
[INFO] running `"docker" "rm" "-f" "9e45b3210613efa6eaea353a66912c8c33b4392ad3febdeff13ed02f47f44e3d"`
[INFO] [stdout] 9e45b3210613efa6eaea353a66912c8c33b4392ad3febdeff13ed02f47f44e3d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Coneko/stack:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] d5ef421445d3efcaa310580c3d792f37a0637fce7a424d83d83fadf6c0ad61c0
[INFO] running `"docker" "start" "-a" "d5ef421445d3efcaa310580c3d792f37a0637fce7a424d83d83fadf6c0ad61c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack-37eb42e2034faf20
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test changeset::tests::new_from_string_can_read_title ... ok
[INFO] [stdout] test changeset::tests::new_from_string_can_read_pr ... ok
[INFO] [stdout] test changeset::tests::parse_pull_request_can_parse_http_url ... ok
[INFO] [stdout] test changeset::tests::new_from_string_can_create_from_string_with_only_title ... ok
[INFO] [stdout] test changeset::tests::new_from_string_can_read_message ... ok
[INFO] [stdout] test changeset::tests::new_from_string_can_read_branch ... ok
[INFO] [stdout] test changeset::tests::parse_pull_request_can_parse_https_url ... ok
[INFO] [stdout] test changeset::tests::parse_pull_request_can_parse_pr_reference ... ok
[INFO] [stdout] test changeset::tests::parse_pull_request_can_parse_number ... ok
[INFO] [stdout] test changeset::tests::new_from_string_cannot_create_from_string_with_invalid_pr_field ... ok
[INFO] [stdout] test changeset::tests::new_from_string_cannot_create_from_string_without_title ... ok
[INFO] [stdout] test changeset::tests::parse_pull_request_cannot_parse_pr_from_empty_string ... ok
[INFO] [stdout] test changeset::tests::new_from_string_cannot_create_from_string_with_multiple_pr_fields ... ok
[INFO] [stdout] test changeset::tests::new_from_string_cannot_create_from_empty_string ... ok
[INFO] [stdout] test changeset::tests::parse_pull_request_cannot_parse_invalid_pr_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stack-ecafdd0397858881
[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 stack
[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" "d5ef421445d3efcaa310580c3d792f37a0637fce7a424d83d83fadf6c0ad61c0"`
[INFO] running `"docker" "rm" "-f" "d5ef421445d3efcaa310580c3d792f37a0637fce7a424d83d83fadf6c0ad61c0"`
[INFO] [stdout] d5ef421445d3efcaa310580c3d792f37a0637fce7a424d83d83fadf6c0ad61c0