[INFO] fetching crate dht 0.0.6...
[INFO] checking dht-0.0.6 against beta for pr-78714
[INFO] extracting crate dht 0.0.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dht 0.0.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dht 0.0.6
[INFO] finished tweaking crates.io crate dht 0.0.6
[INFO] tweaked toml for crates.io crate dht 0.0.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be22ef8b841b42ecb5754b81758eb448596fb621b5d779ba5e2346e378bea940
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be22ef8b841b42ecb5754b81758eb448596fb621b5d779ba5e2346e378bea940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be22ef8b841b42ecb5754b81758eb448596fb621b5d779ba5e2346e378bea940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be22ef8b841b42ecb5754b81758eb448596fb621b5d779ba5e2346e378bea940", kill_on_drop: false }`
[INFO] [stdout] be22ef8b841b42ecb5754b81758eb448596fb621b5d779ba5e2346e378bea940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5671ed8766cbb1e96066f57c2ea96d7eb1fc7b366d110d2d3dfb9f2d187d586c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5671ed8766cbb1e96066f57c2ea96d7eb1fc7b366d110d2d3dfb9f2d187d586c", kill_on_drop: false }`
[INFO] [stderr]     Checking dht v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/base.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let s: &str = &try!(d.read_str());
[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/base.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let s = try!(d.read_str());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             try!(s.emit_struct_field("address", 0, |s2| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             try!(s.emit_struct_field("id", 1, |s2| self.id.encode(s2)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let addr = try!(d.read_struct_field("address", 0, |d2| {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 let s = try!(d2.read_str());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:200:22
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let id = try!(d.read_struct_field("id", 1, TId::decode));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/base.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let s: &str = &try!(d.read_str());
[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/base.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let s = try!(d.read_str());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             try!(s.emit_struct_field("address", 0, |s2| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             try!(s.emit_struct_field("id", 1, |s2| self.id.encode(s2)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let addr = try!(d.read_struct_field("address", 0, |d2| {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 let s = try!(d2.read_str());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:200:22
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let id = try!(d.read_struct_field("id", 1, TId::decode));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "5671ed8766cbb1e96066f57c2ea96d7eb1fc7b366d110d2d3dfb9f2d187d586c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5671ed8766cbb1e96066f57c2ea96d7eb1fc7b366d110d2d3dfb9f2d187d586c", kill_on_drop: false }`
[INFO] [stdout] 5671ed8766cbb1e96066f57c2ea96d7eb1fc7b366d110d2d3dfb9f2d187d586c