[INFO] fetching crate postgres-derive-internals 0.2.2...
[INFO] testing postgres-derive-internals-0.2.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate postgres-derive-internals 0.2.2 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate postgres-derive-internals 0.2.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postgres-derive-internals 0.2.2
[INFO] finished tweaking crates.io crate postgres-derive-internals 0.2.2
[INFO] tweaked toml for crates.io crate postgres-derive-internals 0.2.2 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48e3909ccd9bed79dfd4a85b16b5bb76a234840284ce1ff8eeecf41b934672ac
[INFO] running `Command { std: "docker" "start" "-a" "48e3909ccd9bed79dfd4a85b16b5bb76a234840284ce1ff8eeecf41b934672ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e3909ccd9bed79dfd4a85b16b5bb76a234840284ce1ff8eeecf41b934672ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e3909ccd9bed79dfd4a85b16b5bb76a234840284ce1ff8eeecf41b934672ac", kill_on_drop: false }`
[INFO] [stdout] 48e3909ccd9bed79dfd4a85b16b5bb76a234840284ce1ff8eeecf41b934672ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e618ecc95aa7bd44fa0dfe7d83d368bee365b0cc99583ebebd88da3b4bbca65
[INFO] running `Command { std: "docker" "start" "-a" "4e618ecc95aa7bd44fa0dfe7d83d368bee365b0cc99583ebebd88da3b4bbca65", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling postgres-derive-internals v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/composites.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let overrides = try!(Overrides::extract(&raw.attrs));
[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/enums.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let overrides = try!(Overrides::extract(&raw.attrs));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let overrides = try!(Overrides::extract(&input.attrs));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let variants: Vec<Variant> = try!(variants.iter().map(Variant::parse).collect());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let fields: Vec<Field> = try!(fields.iter().map(Field::parse).collect());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let overrides = try!(Overrides::extract(&input.attrs));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let variants: Vec<Variant> = try!(variants.iter().map(Variant::parse).collect());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let fields: Vec<Field> = try!(fields.iter().map(Field::parse).collect());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let input = try!(syn::parse_macro_input(source));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let input = try!(syn::parse_macro_input(source));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "4e618ecc95aa7bd44fa0dfe7d83d368bee365b0cc99583ebebd88da3b4bbca65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e618ecc95aa7bd44fa0dfe7d83d368bee365b0cc99583ebebd88da3b4bbca65", kill_on_drop: false }`
[INFO] [stdout] 4e618ecc95aa7bd44fa0dfe7d83d368bee365b0cc99583ebebd88da3b4bbca65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd78f17b7ce3a1032cb984aa72dae283a1c8c9c9ac174c1d216987c4e2356ae9
[INFO] running `Command { std: "docker" "start" "-a" "fd78f17b7ce3a1032cb984aa72dae283a1c8c9c9ac174c1d216987c4e2356ae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling postgres-derive-internals v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/composites.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let overrides = try!(Overrides::extract(&raw.attrs));
[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/enums.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let overrides = try!(Overrides::extract(&raw.attrs));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let overrides = try!(Overrides::extract(&input.attrs));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let variants: Vec<Variant> = try!(variants.iter().map(Variant::parse).collect());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let fields: Vec<Field> = try!(fields.iter().map(Field::parse).collect());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let overrides = try!(Overrides::extract(&input.attrs));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let variants: Vec<Variant> = try!(variants.iter().map(Variant::parse).collect());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let fields: Vec<Field> = try!(fields.iter().map(Field::parse).collect());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let input = try!(syn::parse_macro_input(source));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let input = try!(syn::parse_macro_input(source));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/composites.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let overrides = try!(Overrides::extract(&raw.attrs));
[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/enums.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let overrides = try!(Overrides::extract(&raw.attrs));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let overrides = try!(Overrides::extract(&input.attrs));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let variants: Vec<Variant> = try!(variants.iter().map(Variant::parse).collect());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fromsql.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let fields: Vec<Field> = try!(fields.iter().map(Field::parse).collect());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let overrides = try!(Overrides::extract(&input.attrs));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let variants: Vec<Variant> = try!(variants.iter().map(Variant::parse).collect());
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tosql.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let fields: Vec<Field> = try!(fields.iter().map(Field::parse).collect());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let input = try!(syn::parse_macro_input(source));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let input = try!(syn::parse_macro_input(source));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "fd78f17b7ce3a1032cb984aa72dae283a1c8c9c9ac174c1d216987c4e2356ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd78f17b7ce3a1032cb984aa72dae283a1c8c9c9ac174c1d216987c4e2356ae9", kill_on_drop: false }`
[INFO] [stdout] fd78f17b7ce3a1032cb984aa72dae283a1c8c9c9ac174c1d216987c4e2356ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bcbda0eaa4fdebed8e52258f4102cc21f5d94c17f58adfb3b632a01270ea2ca
[INFO] running `Command { std: "docker" "start" "-a" "0bcbda0eaa4fdebed8e52258f4102cc21f5d94c17f58adfb3b632a01270ea2ca", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/composites.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let overrides = try!(Overrides::extract(&raw.attrs));
[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/enums.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let overrides = try!(Overrides::extract(&raw.attrs));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/fromsql.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let overrides = try!(Overrides::extract(&input.attrs));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/fromsql.rs:17:42
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let variants: Vec<Variant> = try!(variants.iter().map(Variant::parse).collect());
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/fromsql.rs:25:38
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let fields: Vec<Field> = try!(fields.iter().map(Field::parse).collect());
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/tosql.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let overrides = try!(Overrides::extract(&input.attrs));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/tosql.rs:17:42
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let variants: Vec<Variant> = try!(variants.iter().map(Variant::parse).collect());
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/tosql.rs:25:38
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let fields: Vec<Field> = try!(fields.iter().map(Field::parse).collect());
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let input = try!(syn::parse_macro_input(source));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let input = try!(syn::parse_macro_input(source));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `postgres-derive-internals` (lib) generated 10 warnings
[INFO] [stderr] warning: `postgres-derive-internals` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/postgres_derive_internals-c1afd341be7ee425)
[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] [stderr]    Doc-tests postgres-derive-internals
[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" "0bcbda0eaa4fdebed8e52258f4102cc21f5d94c17f58adfb3b632a01270ea2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcbda0eaa4fdebed8e52258f4102cc21f5d94c17f58adfb3b632a01270ea2ca", kill_on_drop: false }`
[INFO] [stdout] 0bcbda0eaa4fdebed8e52258f4102cc21f5d94c17f58adfb3b632a01270ea2ca