[INFO] fetching crate h256only 0.4.1...
[INFO] checking h256only-0.4.1 against try#218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa for pr-92594
[INFO] extracting crate h256only 0.4.1 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate h256only 0.4.1 on toolchain 218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate h256only 0.4.1
[INFO] finished tweaking crates.io crate h256only 0.4.1
[INFO] tweaked toml for crates.io crate h256only 0.4.1 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "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" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00a00c2acf2fcc91286830a4edb523b5b808689e5578198a7d12663be397fbb6
[INFO] running `Command { std: "docker" "start" "-a" "00a00c2acf2fcc91286830a4edb523b5b808689e5578198a7d12663be397fbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00a00c2acf2fcc91286830a4edb523b5b808689e5578198a7d12663be397fbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a00c2acf2fcc91286830a4edb523b5b808689e5578198a7d12663be397fbb6", kill_on_drop: false }`
[INFO] [stdout] 00a00c2acf2fcc91286830a4edb523b5b808689e5578198a7d12663be397fbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ce49f0aeb708ded3e2fdd2c3fb70e6a90ae83398ced0ded77a68c0d3b58b37
[INFO] running `Command { std: "docker" "start" "-a" "57ce49f0aeb708ded3e2fdd2c3fb70e6a90ae83398ced0ded77a68c0d3b58b37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking h256only v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]  --> src/header.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` 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 a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]  --> src/header.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` 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 a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/header.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]  --> src/header.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/header.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/header.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]   --> src/header.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]  --> src/header.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/header.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]   --> src/header.rs:10:44
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/header.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/header.rs:10:44
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]   --> src/claims.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]   --> src/header.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/claims.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/header.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]   --> src/claims.rs:22:53
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/claims.rs:22:53
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]   --> src/header.rs:10:44
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let data = try!(raw.from_base64());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let s = try!(String::from_utf8(data));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let tree = match try!(Json::from_str(&*s)) {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/header.rs:10:44
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let reg_claims: Registered = try!(Decodable::decode(&mut decoder));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let s = try!(json::encode(&self.reg));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut tree = match try!(Json::from_str(&*s)) {
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let s = try!(json::encode(&tree));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let data = try!(raw.from_base64());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let s = try!(String::from_utf8(data));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(try!(json::decode(&*s)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]   --> src/claims.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let s = try!(json::encode(&self));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |             header: try!(Component::from_base64(pieces[0])),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |             claims: try!(Component::from_base64(pieces[1])),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/claims.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:94:22
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let header = try!(Component::to_base64(&self.header));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let claims = try!(self.claims.to_base64());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use
[INFO] [stdout]   --> src/claims.rs:22:53
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/claims.rs:22:53
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, Default, PartialEq, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let data = try!(raw.from_base64());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let s = try!(String::from_utf8(data));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let tree = match try!(Json::from_str(&*s)) {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let reg_claims: Registered = try!(Decodable::decode(&mut decoder));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let s = try!(json::encode(&self.reg));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut tree = match try!(Json::from_str(&*s)) {
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/claims.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let s = try!(json::encode(&tree));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let data = try!(raw.from_base64());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let s = try!(String::from_utf8(data));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(try!(json::decode(&*s)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let s = try!(json::encode(&self));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |             header: try!(Component::from_base64(pieces[0])),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |             claims: try!(Component::from_base64(pieces[1])),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:94:22
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let header = try!(Component::to_base64(&self.header));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let claims = try!(self.claims.to_base64());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `h256only` due to 7 previous errors; 21 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "57ce49f0aeb708ded3e2fdd2c3fb70e6a90ae83398ced0ded77a68c0d3b58b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ce49f0aeb708ded3e2fdd2c3fb70e6a90ae83398ced0ded77a68c0d3b58b37", kill_on_drop: false }`
[INFO] [stdout] 57ce49f0aeb708ded3e2fdd2c3fb70e6a90ae83398ced0ded77a68c0d3b58b37