[INFO] updating cached repository elba/elba [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/elba/elba [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/elba/elba" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/elba/elba"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/elba/elba'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/elba/elba" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/elba/elba"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/elba/elba'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4501ea6eb76b1ad2111262b1e5885eb78ffd8dcb [INFO] sha for GitHub repo elba/elba: 4501ea6eb76b1ad2111262b1e5885eb78ffd8dcb [INFO] validating manifest of elba/elba on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of elba/elba on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing elba/elba [INFO] finished frobbing elba/elba [INFO] frobbed toml for elba/elba written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/elba/elba/Cargo.toml [INFO] started frobbing elba/elba [INFO] finished frobbing elba/elba [INFO] frobbed toml for elba/elba written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/elba/elba/Cargo.toml [INFO] crate elba/elba already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking elba/elba against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/elba/elba:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 019dba0a4bf9ab394767a18460281233f136445211c08551484be5e75524ab31 [INFO] running `"docker" "start" "-a" "019dba0a4bf9ab394767a18460281233f136445211c08551484be5e75524ab31"` [INFO] [stderr] Checking symlink v0.1.0 [INFO] [stderr] Compiling openssl-sys v0.9.40 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling curl-sys v0.4.16 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking directories v1.0.2 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking tar v0.4.20 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking ndarray v0.12.1 [INFO] [stderr] Checking globset v0.4.2 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Compiling openssl v0.10.16 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking ignore v0.4.6 [INFO] [stderr] Checking slog-term v2.4.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking strsim v0.9.1 [INFO] [stderr] Checking simsearch v0.1.2 [INFO] [stderr] Compiling serde_derive v1.0.87 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling serde v1.0.87 [INFO] [stderr] Checking toml_edit v0.1.3 [INFO] [stderr] warning[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.3/src/index.rs:55:65 [INFO] [stderr] | [INFO] [stderr] 44 | fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item { [INFO] [stderr] | -- lifetime `'v` defined here [INFO] [stderr] 45 | / match *v { [INFO] [stderr] 46 | | Item::ArrayOfTables(ref mut vec) => { [INFO] [stderr] 47 | | vec.values.get_mut(*self).expect("index out of bounds") [INFO] [stderr] 48 | | } [INFO] [stderr] 49 | | Item::Value(ref mut a) if a.is_array() => a [INFO] [stderr] | | --------- mutable borrow occurs here [INFO] [stderr] ... | [INFO] [stderr] 55 | | _ => panic!("cannot access index {} in {:?}", self, v), [INFO] [stderr] | | ^ immutable borrow occurs here [INFO] [stderr] 56 | | } [INFO] [stderr] | |_________- returning this value requires that `v.0` is borrowed for `'v` [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] warning[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.3/src/index.rs:88:63 [INFO] [stderr] | [INFO] [stderr] 70 | fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item { [INFO] [stderr] | -- lifetime `'v` defined here [INFO] [stderr] ... [INFO] [stderr] 77 | / match *v { [INFO] [stderr] 78 | | Item::Table(ref mut t) => t.entry(self).or_insert(Item::None), [INFO] [stderr] 79 | | Item::Value(ref mut v) if v.is_inline_table() => { [INFO] [stderr] | | --------- mutable borrow occurs here [INFO] [stderr] 80 | | &mut v [INFO] [stderr] ... | [INFO] [stderr] 88 | | _ => panic!("cannot access key {} in {:?}", self, v), [INFO] [stderr] | | ^ immutable borrow occurs here [INFO] [stderr] 89 | | } [INFO] [stderr] | |_________- returning this value requires that `v.0` is borrowed for `'v` [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 semver v0.9.0 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking serde_json v1.0.38 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking url_serde v0.2.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking h2 v0.1.16 [INFO] [stderr] Checking semver_constraints v0.1.0 [INFO] [stderr] Checking config v0.9.2 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking git2 v0.7.5 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking uuid v0.7.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Checking tokio-reactor v0.1.8 [INFO] [stderr] Checking console v0.6.2 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-threadpool v0.1.11 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.15 [INFO] [stderr] Checking hyper v0.12.24 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.9 [INFO] [stderr] Checking elba v0.3.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/util/git.rs:372:14 [INFO] [stderr] | [INFO] [stderr] 372 | cb: &mut FnMut(git2::FetchOptions) -> Res, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(git2::FetchOptions) -> Res` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/util/git.rs:372:14 [INFO] [stderr] | [INFO] [stderr] 372 | cb: &mut FnMut(git2::FetchOptions) -> Res, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(git2::FetchOptions) -> Res` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib/retrieve/mod.rs:205:28 [INFO] [stderr] | [INFO] [stderr] 176 | let locked = self.lockfile.find_by(|sum| sum.id.lowkey_eq(pkg)); [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 205 | return self [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] 206 | .select(&Summary::new(pkg.clone(), v.clone())) [INFO] [stderr] | - immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib/retrieve/mod.rs:205:28 [INFO] [stderr] | [INFO] [stderr] 176 | let locked = self.lockfile.find_by(|sum| sum.id.lowkey_eq(pkg)); [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 205 | return self [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] 206 | .select(&Summary::new(pkg.clone(), v.clone())) [INFO] [stderr] | - immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 33s [INFO] running `"docker" "inspect" "019dba0a4bf9ab394767a18460281233f136445211c08551484be5e75524ab31"` [INFO] running `"docker" "rm" "-f" "019dba0a4bf9ab394767a18460281233f136445211c08551484be5e75524ab31"` [INFO] [stdout] 019dba0a4bf9ab394767a18460281233f136445211c08551484be5e75524ab31