[INFO] fetching crate jamal 0.1.0...
[INFO] testing jamal-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate jamal 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate jamal 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jamal 0.1.0
[INFO] finished tweaking crates.io crate jamal 0.1.0
[INFO] tweaked toml for crates.io crate jamal 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24f98306a4e808158caca252a0a7c648957f64a9dde6c6c133708f7a9bc4c2c6
[INFO] running `Command { std: "docker" "start" "-a" "24f98306a4e808158caca252a0a7c648957f64a9dde6c6c133708f7a9bc4c2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24f98306a4e808158caca252a0a7c648957f64a9dde6c6c133708f7a9bc4c2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f98306a4e808158caca252a0a7c648957f64a9dde6c6c133708f7a9bc4c2c6", kill_on_drop: false }`
[INFO] [stdout] 24f98306a4e808158caca252a0a7c648957f64a9dde6c6c133708f7a9bc4c2c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f22e6a9d87a1317f3878f0b38cd6dcce6267b8665d9de7c37aad63a19b2c9ed1
[INFO] running `Command { std: "docker" "start" "-a" "f22e6a9d87a1317f3878f0b38cd6dcce6267b8665d9de7c37aad63a19b2c9ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.7.4
[INFO] [stderr]    Compiling serde_yaml v0.2.5
[INFO] [stderr]    Compiling jamal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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/lib.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 yaml_values.push(try!(to_yaml(&value)));
[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/lib.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let yaml = try!(to_yaml(&v));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 |         &YamlValue::Real(ref value) => Ok(JsonValue::F64(try!(value.parse::<f64>()))),
[INFO] [stdout]    |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let json = try!(to_json(&value));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:101:36
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         let json = try!(to_json(&v));
[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/lib.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Error::ParseFloat(ref e) => e.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "f22e6a9d87a1317f3878f0b38cd6dcce6267b8665d9de7c37aad63a19b2c9ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22e6a9d87a1317f3878f0b38cd6dcce6267b8665d9de7c37aad63a19b2c9ed1", kill_on_drop: false }`
[INFO] [stdout] f22e6a9d87a1317f3878f0b38cd6dcce6267b8665d9de7c37aad63a19b2c9ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7c291e4c1e731f6a324bf08d4dddd682f2023531b164d1ca4cf0f5d9351dd7e
[INFO] running `Command { std: "docker" "start" "-a" "a7c291e4c1e731f6a324bf08d4dddd682f2023531b164d1ca4cf0f5d9351dd7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jamal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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/lib.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 yaml_values.push(try!(to_yaml(&value)));
[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/lib.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let yaml = try!(to_yaml(&v));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 |         &YamlValue::Real(ref value) => Ok(JsonValue::F64(try!(value.parse::<f64>()))),
[INFO] [stdout]    |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let json = try!(to_json(&value));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:101:36
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         let json = try!(to_json(&v));
[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/lib.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Error::ParseFloat(ref e) => e.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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/lib.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 yaml_values.push(try!(to_yaml(&value)));
[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/lib.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let yaml = try!(to_yaml(&v));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 |         &YamlValue::Real(ref value) => Ok(JsonValue::F64(try!(value.parse::<f64>()))),
[INFO] [stdout]    |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let json = try!(to_json(&value));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:101:36
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         let json = try!(to_json(&v));
[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/lib.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Error::ParseFloat(ref e) => e.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "a7c291e4c1e731f6a324bf08d4dddd682f2023531b164d1ca4cf0f5d9351dd7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c291e4c1e731f6a324bf08d4dddd682f2023531b164d1ca4cf0f5d9351dd7e", kill_on_drop: false }`
[INFO] [stdout] a7c291e4c1e731f6a324bf08d4dddd682f2023531b164d1ca4cf0f5d9351dd7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9cf560b332ffc4de6f19a81d613b12840d38f13f9d4bfa840803ae9503e7c12b
[INFO] running `Command { std: "docker" "start" "-a" "9cf560b332ffc4de6f19a81d613b12840d38f13f9d4bfa840803ae9503e7c12b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     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/lib.rs:66:34
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 yaml_values.push(try!(to_yaml(&value)));
[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/lib.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 let yaml = try!(to_yaml(&v));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:84:58
[INFO] [stderr]    |
[INFO] [stderr] 84 |         &YamlValue::Real(ref value) => Ok(JsonValue::F64(try!(value.parse::<f64>()))),
[INFO] [stderr]    |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let json = try!(to_json(&value));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:101:36
[INFO] [stderr]     |
[INFO] [stderr] 101 |                         let json = try!(to_json(&v));
[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/lib.rs:25:43
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Error::ParseFloat(ref e) => e.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     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/lib.rs:66:34
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 yaml_values.push(try!(to_yaml(&value)));
[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/lib.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 let yaml = try!(to_yaml(&v));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:84:58
[INFO] [stderr]    |
[INFO] [stderr] 84 |         &YamlValue::Real(ref value) => Ok(JsonValue::F64(try!(value.parse::<f64>()))),
[INFO] [stderr]    |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let json = try!(to_json(&value));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:101:36
[INFO] [stderr]     |
[INFO] [stderr] 101 |                         let json = try!(to_json(&v));
[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/lib.rs:25:43
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Error::ParseFloat(ref e) => e.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jamal-d18ae259981306f4)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]    Doc-tests jamal
[INFO] [stdout] test tests::json_null_to_yaml ... ok
[INFO] [stdout] test tests::yaml_bool_to_json ... ok
[INFO] [stdout] test tests::json_bool_to_yaml ... ok
[INFO] [stdout] test tests::yaml_null_to_json ... ok
[INFO] [stdout] test tests::json_str_vec_to_yaml ... ok
[INFO] [stdout] test tests::json_obj_to_yaml ... ok
[INFO] [stdout] test tests::yaml_obj_to_json ... ok
[INFO] [stdout] test tests::yaml_str_vec_to_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "9cf560b332ffc4de6f19a81d613b12840d38f13f9d4bfa840803ae9503e7c12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf560b332ffc4de6f19a81d613b12840d38f13f9d4bfa840803ae9503e7c12b", kill_on_drop: false }`
[INFO] [stdout] 9cf560b332ffc4de6f19a81d613b12840d38f13f9d4bfa840803ae9503e7c12b
