[INFO] cloning repository https://github.com/plorefice/dtls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plorefice/dtls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Fdtls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Fdtls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af8fceb77979640ce3e4175fb06279cd5f55c1cc
[INFO] checking plorefice/dtls against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Fdtls" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plorefice/dtls on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/plorefice/dtls
[INFO] finished tweaking git repo https://github.com/plorefice/dtls
[INFO] tweaked toml for git repo https://github.com/plorefice/dtls written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/plorefice/dtls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22a5032fabef85fe2abc543e07978fc4bf6f9e83aefe6488f9bb04af55e9cf0e
[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" "22a5032fabef85fe2abc543e07978fc4bf6f9e83aefe6488f9bb04af55e9cf0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22a5032fabef85fe2abc543e07978fc4bf6f9e83aefe6488f9bb04af55e9cf0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a5032fabef85fe2abc543e07978fc4bf6f9e83aefe6488f9bb04af55e9cf0e", kill_on_drop: false }`
[INFO] [stdout] 22a5032fabef85fe2abc543e07978fc4bf6f9e83aefe6488f9bb04af55e9cf0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de1e712c717d7720eefad6ec0f4fa8cae1f57cec39400abb2fbf7dc5c8ec5ea5
[INFO] running `Command { std: "docker" "start" "-a" "de1e712c717d7720eefad6ec0f4fa8cae1f57cec39400abb2fbf7dc5c8ec5ea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking dtls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:9:53
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Box::new(File::open(fname).unwrap()) as Box<Read>
[INFO] [stdout]   |                                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Box::new(std::io::stdin()) as Box<Read>
[INFO] [stdout]    |                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:9:53
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Box::new(File::open(fname).unwrap()) as Box<Read>
[INFO] [stdout]   |                                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Box::new(std::io::stdin()) as Box<Read>
[INFO] [stdout]    |                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_file`
[INFO] [stdout]   --> src/ast/parser.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn parse_file<P: AsRef<Path>>(path: P) -> Result<Dts> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_file`
[INFO] [stdout]   --> src/ast/parser.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn parse_file<P: AsRef<Path>>(path: P) -> Result<Dts> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.50s
[INFO] running `Command { std: "docker" "inspect" "de1e712c717d7720eefad6ec0f4fa8cae1f57cec39400abb2fbf7dc5c8ec5ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1e712c717d7720eefad6ec0f4fa8cae1f57cec39400abb2fbf7dc5c8ec5ea5", kill_on_drop: false }`
[INFO] [stdout] de1e712c717d7720eefad6ec0f4fa8cae1f57cec39400abb2fbf7dc5c8ec5ea5