[INFO] cloning repository https://github.com/dirk/metriqsd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dirk/metriqsd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2Fmetriqsd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2Fmetriqsd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 261131f92244a32b57e2c16364e1661db2d39b76
[INFO] testing dirk/metriqsd against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdirk%2Fmetriqsd" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dirk/metriqsd on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dirk/metriqsd
[INFO] finished tweaking git repo https://github.com/dirk/metriqsd
[INFO] tweaked toml for git repo https://github.com/dirk/metriqsd written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/dirk/metriqsd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.0
[INFO] [stderr]   Downloaded string_cache v0.7.1
[INFO] [stderr]   Downloaded metriqs v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528ae53a6346d7bd7ba3c60608436062efea0593d75f0817678103e6df74074e
[INFO] running `Command { std: "docker" "start" "-a" "528ae53a6346d7bd7ba3c60608436062efea0593d75f0817678103e6df74074e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528ae53a6346d7bd7ba3c60608436062efea0593d75f0817678103e6df74074e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528ae53a6346d7bd7ba3c60608436062efea0593d75f0817678103e6df74074e", kill_on_drop: false }`
[INFO] [stdout] 528ae53a6346d7bd7ba3c60608436062efea0593d75f0817678103e6df74074e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c087a5897eb825308b4657a22086d2da1eed62f6d1355fb92aba34450c0abcf8
[INFO] running `Command { std: "docker" "start" "-a" "c087a5897eb825308b4657a22086d2da1eed62f6d1355fb92aba34450c0abcf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling string_cache v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling metriqs v0.1.6
[INFO] [stderr]    Compiling metriqsd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/builder.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn build(&self, &BuildContext) -> T;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &BuildContext`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/runner.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 50 |         for mut recv in self.recv.drain((..)) {
[INFO] [stdout]    |                                         ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -         for mut recv in self.recv.drain((..)) {
[INFO] [stdout] 50 +         for mut recv in self.recv.drain(..) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "c087a5897eb825308b4657a22086d2da1eed62f6d1355fb92aba34450c0abcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c087a5897eb825308b4657a22086d2da1eed62f6d1355fb92aba34450c0abcf8", kill_on_drop: false }`
[INFO] [stdout] c087a5897eb825308b4657a22086d2da1eed62f6d1355fb92aba34450c0abcf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bc9088b5e178222564cb6ba5f11359ae872f653118c1001a33e78795a6becf
[INFO] running `Command { std: "docker" "start" "-a" "c5bc9088b5e178222564cb6ba5f11359ae872f653118c1001a33e78795a6becf", kill_on_drop: false }`
[INFO] [stderr]    Compiling metriqsd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/builder.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn build(&self, &BuildContext) -> T;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &BuildContext`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/runner.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 50 |         for mut recv in self.recv.drain((..)) {
[INFO] [stdout]    |                                         ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -         for mut recv in self.recv.drain((..)) {
[INFO] [stdout] 50 +         for mut recv in self.recv.drain(..) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c5bc9088b5e178222564cb6ba5f11359ae872f653118c1001a33e78795a6becf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bc9088b5e178222564cb6ba5f11359ae872f653118c1001a33e78795a6becf", kill_on_drop: false }`
[INFO] [stdout] c5bc9088b5e178222564cb6ba5f11359ae872f653118c1001a33e78795a6becf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fd1489bcf1dea3f512363b0e4d153a8b7afa1849b4c46628c2249272bc76c0b
[INFO] running `Command { std: "docker" "start" "-a" "0fd1489bcf1dea3f512363b0e4d153a8b7afa1849b4c46628c2249272bc76c0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/builder.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn build(&self, &BuildContext) -> T;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &BuildContext`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/runner.rs:50:41
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for mut recv in self.recv.drain((..)) {
[INFO] [stderr]    |                                         ^  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 50 -         for mut recv in self.recv.drain((..)) {
[INFO] [stderr] 50 +         for mut recv in self.recv.drain(..) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `metriqsd` (bin "metriqsd" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metriqsd-335d33cc4bc1a4be)
[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" "0fd1489bcf1dea3f512363b0e4d153a8b7afa1849b4c46628c2249272bc76c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd1489bcf1dea3f512363b0e4d153a8b7afa1849b4c46628c2249272bc76c0b", kill_on_drop: false }`
[INFO] [stdout] 0fd1489bcf1dea3f512363b0e4d153a8b7afa1849b4c46628c2249272bc76c0b