[INFO] fetching crate ejdb 0.4.1...
[INFO] building ejdb-0.4.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate ejdb 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ejdb 0.4.1 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ejdb 0.4.1
[INFO] finished tweaking crates.io crate ejdb 0.4.1
[INFO] tweaked toml for crates.io crate ejdb 0.4.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ejdb 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] [stderr]   Downloaded ejdb-sys v0.3.0
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded bson v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f760eec829571a427d126fd2cd8ab94de659d9e20fa611bf361155d9c1b68e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f760eec829571a427d126fd2cd8ab94de659d9e20fa611bf361155d9c1b68e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f760eec829571a427d126fd2cd8ab94de659d9e20fa611bf361155d9c1b68e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f760eec829571a427d126fd2cd8ab94de659d9e20fa611bf361155d9c1b68e1", kill_on_drop: false }`
[INFO] [stdout] 7f760eec829571a427d126fd2cd8ab94de659d9e20fa611bf361155d9c1b68e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3cb3b4cba3405b3e7b90679e8a4937dedb28f86f4b84dc60c72d3b1ccacb263
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3cb3b4cba3405b3e7b90679e8a4937dedb28f86f4b84dc60c72d3b1ccacb263", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling bindgen v0.46.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling ejdb-sys v0.3.0
[INFO] [stderr]    Compiling ejdb v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/indices.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let key = try!(CString::new(self.key).map_err(|_| "invalid key"));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/database/meta.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let bson_doc = unsafe { try!(EjdbBsonDocument::from_ptr(doc).to_bson()) };
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let p = try!(CString::new(path).map_err(|_| "invalid path specified"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:511:28
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let mut ejdb_doc = try!(EjdbBsonDocument::from_bson(doc.borrow()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/database/mod.rs:660:31
[INFO] [stdout]     |
[INFO] [stdout] 660 |     log_out: Option<&'out mut io::Write>,
[INFO] [stdout]     |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/database/mod.rs:696:26
[INFO] [stdout]     |
[INFO] [stdout] 696 |         target: &'o mut (io::Write + 'o),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'o`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:843:9
[INFO] [stdout]     |
[INFO] [stdout] 843 |         try!(bson::encode_document(&mut query_doc, query));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:864:13
[INFO] [stdout]     |
[INFO] [stdout] 864 |             try!(bson::encode_document(&mut query_doc, hints));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:894:17
[INFO] [stdout]     |
[INFO] [stdout] 894 |                 try!(log_out.write(&log));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/types.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             try!(write!(
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.09s
[INFO] running `Command { std: "docker" "inspect" "c3cb3b4cba3405b3e7b90679e8a4937dedb28f86f4b84dc60c72d3b1ccacb263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cb3b4cba3405b3e7b90679e8a4937dedb28f86f4b84dc60c72d3b1ccacb263", kill_on_drop: false }`
[INFO] [stdout] c3cb3b4cba3405b3e7b90679e8a4937dedb28f86f4b84dc60c72d3b1ccacb263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edb9b457fbac8e8901cefdfcb041bb437d7b09fce7b5030043b148d72dcfd638
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edb9b457fbac8e8901cefdfcb041bb437d7b09fce7b5030043b148d72dcfd638", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/indices.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let key = try!(CString::new(self.key).map_err(|_| "invalid key"));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/database/meta.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let bson_doc = unsafe { try!(EjdbBsonDocument::from_ptr(doc).to_bson()) };
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let p = try!(CString::new(path).map_err(|_| "invalid path specified"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:511:28
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let mut ejdb_doc = try!(EjdbBsonDocument::from_bson(doc.borrow()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/database/mod.rs:660:31
[INFO] [stdout]     |
[INFO] [stdout] 660 |     log_out: Option<&'out mut io::Write>,
[INFO] [stdout]     |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/database/mod.rs:696:26
[INFO] [stdout]     |
[INFO] [stdout] 696 |         target: &'o mut (io::Write + 'o),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'o`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:843:9
[INFO] [stdout]     |
[INFO] [stdout] 843 |         try!(bson::encode_document(&mut query_doc, query));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:864:13
[INFO] [stdout]     |
[INFO] [stdout] 864 |             try!(bson::encode_document(&mut query_doc, hints));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:894:17
[INFO] [stdout]     |
[INFO] [stdout] 894 |                 try!(log_out.write(&log));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/types.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             try!(write!(
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling ejdb v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/indices.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let key = try!(CString::new(self.key).map_err(|_| "invalid key"));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/database/meta.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let bson_doc = unsafe { try!(EjdbBsonDocument::from_ptr(doc).to_bson()) };
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let p = try!(CString::new(path).map_err(|_| "invalid path specified"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let p = try!(CString::new(name).map_err(|_| "invalid collection name"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:511:28
[INFO] [stdout]     |
[INFO] [stdout] 511 |         let mut ejdb_doc = try!(EjdbBsonDocument::from_bson(doc.borrow()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/database/mod.rs:660:31
[INFO] [stdout]     |
[INFO] [stdout] 660 |     log_out: Option<&'out mut io::Write>,
[INFO] [stdout]     |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/database/mod.rs:696:26
[INFO] [stdout]     |
[INFO] [stdout] 696 |         target: &'o mut (io::Write + 'o),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'o`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:843:9
[INFO] [stdout]     |
[INFO] [stdout] 843 |         try!(bson::encode_document(&mut query_doc, query));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:864:13
[INFO] [stdout]     |
[INFO] [stdout] 864 |             try!(bson::encode_document(&mut query_doc, hints));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/database/mod.rs:894:17
[INFO] [stdout]     |
[INFO] [stdout] 894 |                 try!(log_out.write(&log));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/types.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             try!(write!(
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "edb9b457fbac8e8901cefdfcb041bb437d7b09fce7b5030043b148d72dcfd638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb9b457fbac8e8901cefdfcb041bb437d7b09fce7b5030043b148d72dcfd638", kill_on_drop: false }`
[INFO] [stdout] edb9b457fbac8e8901cefdfcb041bb437d7b09fce7b5030043b148d72dcfd638
