[INFO] fetching crate conduit-json-parser 0.8.0...
[INFO] testing conduit-json-parser-0.8.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate conduit-json-parser 0.8.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate conduit-json-parser 0.8.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conduit-json-parser 0.8.0
[INFO] finished tweaking crates.io crate conduit-json-parser 0.8.0
[INFO] tweaked toml for crates.io crate conduit-json-parser 0.8.0 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded conduit-utils v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92f04c6e95ab19f41ce16d5e13be094be318a1685f06f5f636e20e07b9a0b113
[INFO] running `Command { std: "docker" "start" "-a" "92f04c6e95ab19f41ce16d5e13be094be318a1685f06f5f636e20e07b9a0b113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f04c6e95ab19f41ce16d5e13be094be318a1685f06f5f636e20e07b9a0b113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f04c6e95ab19f41ce16d5e13be094be318a1685f06f5f636e20e07b9a0b113", kill_on_drop: false }`
[INFO] [stdout] 92f04c6e95ab19f41ce16d5e13be094be318a1685f06f5f636e20e07b9a0b113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dae7bf2973c11e49c567be1a95afe33b6149b6d4e1044ea27395a67a3edef7f
[INFO] running `Command { std: "docker" "start" "-a" "0dae7bf2973c11e49c567be1a95afe33b6149b6d4e1044ea27395a67a3edef7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling semver v0.5.1
[INFO] [stderr]    Compiling conduit v0.8.1
[INFO] [stderr]    Compiling conduit-utils v0.8.0
[INFO] [stderr]    Compiling conduit-middleware v0.8.1
[INFO] [stderr]    Compiling conduit-json-parser v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn before(&self, req: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stdout]    |                                ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:59
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn before(&self, req: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let json: T = try!(decode::<T>(req.body()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn decode<T: Decodable>(reader: &mut Read) -> Result<T, Box<Error+Send>> {
[INFO] [stdout]    |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:61
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn decode<T: Decodable>(reader: &mut Read) -> Result<T, Box<Error+Send>> {
[INFO] [stdout]    |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let j = try!(Json::from_reader(reader).map_err(|e| Box::new(e) as Box<Error+Send>));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:75
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let j = try!(Json::from_reader(reader).map_err(|e| Box::new(e) as Box<Error+Send>));
[INFO] [stdout]    |                                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:42:68
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Decodable::decode(&mut decoder).map_err(|e| Box::new(e) as Box<Error+Send>)
[INFO] [stdout]    |                                                                    ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:53
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn json_params<'a, T: Decodable + Any>(req: &'a Request) -> Option<&'a T> {
[INFO] [stdout]    |                                                     ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "0dae7bf2973c11e49c567be1a95afe33b6149b6d4e1044ea27395a67a3edef7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dae7bf2973c11e49c567be1a95afe33b6149b6d4e1044ea27395a67a3edef7f", kill_on_drop: false }`
[INFO] [stdout] 0dae7bf2973c11e49c567be1a95afe33b6149b6d4e1044ea27395a67a3edef7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac2ad90622ff13fc11d50a60771922314496dce508febdcaed1eb2750156a72d
[INFO] running `Command { std: "docker" "start" "-a" "ac2ad90622ff13fc11d50a60771922314496dce508febdcaed1eb2750156a72d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling conduit-test v0.8.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn before(&self, req: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stdout]    |                                ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:59
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn before(&self, req: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let json: T = try!(decode::<T>(req.body()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn decode<T: Decodable>(reader: &mut Read) -> Result<T, Box<Error+Send>> {
[INFO] [stdout]    |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:61
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn decode<T: Decodable>(reader: &mut Read) -> Result<T, Box<Error+Send>> {
[INFO] [stdout]    |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let j = try!(Json::from_reader(reader).map_err(|e| Box::new(e) as Box<Error+Send>));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:75
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let j = try!(Json::from_reader(reader).map_err(|e| Box::new(e) as Box<Error+Send>));
[INFO] [stdout]    |                                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:42:68
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Decodable::decode(&mut decoder).map_err(|e| Box::new(e) as Box<Error+Send>)
[INFO] [stdout]    |                                                                    ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:53
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn json_params<'a, T: Decodable + Any>(req: &'a Request) -> Option<&'a T> {
[INFO] [stdout]    |                                                     ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling conduit-json-parser v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn before(&self, req: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stdout]    |                                ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:59
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn before(&self, req: &mut Request) -> Result<(), Box<Error+Send>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let json: T = try!(decode::<T>(req.body()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn decode<T: Decodable>(reader: &mut Read) -> Result<T, Box<Error+Send>> {
[INFO] [stdout]    |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:61
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn decode<T: Decodable>(reader: &mut Read) -> Result<T, Box<Error+Send>> {
[INFO] [stdout]    |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let j = try!(Json::from_reader(reader).map_err(|e| Box::new(e) as Box<Error+Send>));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:75
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let j = try!(Json::from_reader(reader).map_err(|e| Box::new(e) as Box<Error+Send>));
[INFO] [stdout]    |                                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:42:68
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Decodable::decode(&mut decoder).map_err(|e| Box::new(e) as Box<Error+Send>)
[INFO] [stdout]    |                                                                    ^^^^^^^^^^ help: use `dyn`: `dyn Error+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:53
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn json_params<'a, T: Decodable + Any>(req: &'a Request) -> Option<&'a T> {
[INFO] [stdout]    |                                                     ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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 `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/lib.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[derive(PartialEq, RustcDecodable, RustcEncodable, Debug)]
[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/lib.rs:62:41
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[derive(PartialEq, RustcDecodable, RustcEncodable, Debug)]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn handler(req: &mut Request) -> io::Result<Response> {
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn Request`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:88:46
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let person = super::decode::<Person>(&mut *res.body).ok().expect("No JSON response");
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^ expected trait `std::io::Read`, found trait `WriteBody + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut dyn std::io::Read`
[INFO] [stdout]               found mutable reference `&mut (dyn WriteBody + Send + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conduit-json-parser` due to 2 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ac2ad90622ff13fc11d50a60771922314496dce508febdcaed1eb2750156a72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2ad90622ff13fc11d50a60771922314496dce508febdcaed1eb2750156a72d", kill_on_drop: false }`
[INFO] [stdout] ac2ad90622ff13fc11d50a60771922314496dce508febdcaed1eb2750156a72d
