[INFO] fetching crate michromer 0.4.0...
[INFO] testing michromer-0.4.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate michromer 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate michromer 0.4.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate michromer 0.4.0
[INFO] finished tweaking crates.io crate michromer 0.4.0
[INFO] tweaked toml for crates.io crate michromer 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d2fb37de6d1a80e3e05c13976db1c1ac504cd76af0604135bda47baf6c3a9fa
[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" "5d2fb37de6d1a80e3e05c13976db1c1ac504cd76af0604135bda47baf6c3a9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d2fb37de6d1a80e3e05c13976db1c1ac504cd76af0604135bda47baf6c3a9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2fb37de6d1a80e3e05c13976db1c1ac504cd76af0604135bda47baf6c3a9fa", kill_on_drop: false }`
[INFO] [stdout] 5d2fb37de6d1a80e3e05c13976db1c1ac504cd76af0604135bda47baf6c3a9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b85ad425ff6ae0f1c0b7fb35bb867e07bdf5945b9d482772f053475a688a0eaa
[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" "b85ad425ff6ae0f1c0b7fb35bb867e07bdf5945b9d482772f053475a688a0eaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling michromer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/http.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | /// Header class used to send the api key on each http request.
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let res = try!(self.http_client.post(&url, None));
[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/client.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let level: Level = try!(parse_response(&res));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:106:23
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let encoded = try!(serde_json::to_string(o));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let res = try!(self.http_client.post(&url, Some(&encoded)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:132:19
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let res = try!(self.http_client.get(url));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let res = try!(self.http_client.delete(url));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/data.rs:239:16
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let l: T = try!(serde_json::from_str(&buf));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut r = try!(self.build_get(url).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut r = try!(self.build_post(url, body).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut r = try!(self.build_delete(url).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:32:47
[INFO] [stdout]    |
[INFO] [stdout] 32 |         write!(f, "Michromer Error: {}", self.description())
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::Hyper(ref e) => e.description(),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::IO(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Error::JSON(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `Command { std: "docker" "inspect" "b85ad425ff6ae0f1c0b7fb35bb867e07bdf5945b9d482772f053475a688a0eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85ad425ff6ae0f1c0b7fb35bb867e07bdf5945b9d482772f053475a688a0eaa", kill_on_drop: false }`
[INFO] [stdout] b85ad425ff6ae0f1c0b7fb35bb867e07bdf5945b9d482772f053475a688a0eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac67cd1ea6a27c6af823ce505654a4b59d7874b05f37491deaef403af27f438c
[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" "ac67cd1ea6a27c6af823ce505654a4b59d7874b05f37491deaef403af27f438c", kill_on_drop: false }`
[INFO] [stderr]    Compiling michromer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/http.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | /// Header class used to send the api key on each http request.
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let res = try!(self.http_client.post(&url, None));
[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/client.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let level: Level = try!(parse_response(&res));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:106:23
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let encoded = try!(serde_json::to_string(o));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let res = try!(self.http_client.post(&url, Some(&encoded)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:132:19
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let res = try!(self.http_client.get(url));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let res = try!(self.http_client.delete(url));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/data.rs:239:16
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let l: T = try!(serde_json::from_str(&buf));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut r = try!(self.build_get(url).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut r = try!(self.build_post(url, body).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut r = try!(self.build_delete(url).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:32:47
[INFO] [stdout]    |
[INFO] [stdout] 32 |         write!(f, "Michromer Error: {}", self.description())
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::Hyper(ref e) => e.description(),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::IO(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Error::JSON(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/http.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | /// Header class used to send the api key on each http request.
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/client.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let res = try!(self.http_client.post(&url, None));
[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/client.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let level: Level = try!(parse_response(&res));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:106:23
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let encoded = try!(serde_json::to_string(o));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let res = try!(self.http_client.post(&url, Some(&encoded)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:132:19
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let res = try!(self.http_client.get(url));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/client.rs:136:19
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let res = try!(self.http_client.delete(url));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/data.rs:239:16
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let l: T = try!(serde_json::from_str(&buf));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut r = try!(self.build_get(url).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut r = try!(self.build_post(url, body).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut r = try!(self.build_delete(url).send());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/http.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(r.read_to_string(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:32:47
[INFO] [stdout]    |
[INFO] [stdout] 32 |         write!(f, "Michromer Error: {}", self.description())
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::Hyper(ref e) => e.description(),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::IO(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Error::JSON(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "ac67cd1ea6a27c6af823ce505654a4b59d7874b05f37491deaef403af27f438c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac67cd1ea6a27c6af823ce505654a4b59d7874b05f37491deaef403af27f438c", kill_on_drop: false }`
[INFO] [stdout] ac67cd1ea6a27c6af823ce505654a4b59d7874b05f37491deaef403af27f438c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 921ffe5ee208cf41221e3ac92bb54b5faed9265c967cdf5fb0ae7b5f16adfa47
[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" "921ffe5ee208cf41221e3ac92bb54b5faed9265c967cdf5fb0ae7b5f16adfa47", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/http.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | /// Header class used to send the api key on each http request.
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let res = try!(self.http_client.post(&url, None));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let level: Level = try!(parse_response(&res));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:106:23
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let encoded = try!(serde_json::to_string(o));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:107:19
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let res = try!(self.http_client.post(&url, Some(&encoded)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:132:19
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let res = try!(self.http_client.get(url));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:136:19
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let res = try!(self.http_client.delete(url));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/data.rs:239:16
[INFO] [stderr]     |
[INFO] [stderr] 239 |     let l: T = try!(serde_json::from_str(&buf));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut r = try!(self.build_get(url).send());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(r.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut r = try!(self.build_post(url, body).send());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(r.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut r = try!(self.build_delete(url).send());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(r.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:32:47
[INFO] [stderr]    |
[INFO] [stderr] 32 |         write!(f, "Michromer Error: {}", self.description())
[INFO] [stderr]    |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Error::Hyper(ref e) => e.description(),
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |             Error::IO(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 |             Error::JSON(ref e) => e.description(),
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/http.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | /// Header class used to send the api key on each http request.
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let res = try!(self.http_client.post(&url, None));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let level: Level = try!(parse_response(&res));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:106:23
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let encoded = try!(serde_json::to_string(o));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:107:19
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let res = try!(self.http_client.post(&url, Some(&encoded)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:132:19
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let res = try!(self.http_client.get(url));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:136:19
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let res = try!(self.http_client.delete(url));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/data.rs:239:16
[INFO] [stderr]     |
[INFO] [stderr] 239 |     let l: T = try!(serde_json::from_str(&buf));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut r = try!(self.build_get(url).send());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(r.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut r = try!(self.build_post(url, body).send());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(r.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut r = try!(self.build_delete(url).send());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/http.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(r.read_to_string(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:32:47
[INFO] [stderr]    |
[INFO] [stderr] 32 |         write!(f, "Michromer Error: {}", self.description())
[INFO] [stderr]    |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Error::Hyper(ref e) => e.description(),
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |             Error::IO(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 |             Error::JSON(ref e) => e.description(),
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/michromer-006f111d35112f67)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test client::tests::test_start_level ... ok
[INFO] [stdout] test data::tests::test_bid_ask_encode_field_name ... ok
[INFO] [stdout] test data::tests::test_quote_response_fieled_name ... ok
[INFO] [stdout] test data::tests::test_decode_date_time ... ok
[INFO] [stdout] test data::tests::test_order_response_field_name ... ok
[INFO] [stdout] test data::tests::test_encode_order ... ok
[INFO] [stdout] test data::tests::test_encode_level_field_names ... ok
[INFO] [stdout] test data::tests::test_decode_order_response ... ok
[INFO] [stdout] test client::tests::test_start_level_bad_resp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests michromer
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "921ffe5ee208cf41221e3ac92bb54b5faed9265c967cdf5fb0ae7b5f16adfa47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921ffe5ee208cf41221e3ac92bb54b5faed9265c967cdf5fb0ae7b5f16adfa47", kill_on_drop: false }`
[INFO] [stdout] 921ffe5ee208cf41221e3ac92bb54b5faed9265c967cdf5fb0ae7b5f16adfa47