[INFO] cloning repository https://github.com/anthdm/avalanche [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anthdm/avalanche" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthdm%2Favalanche", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthdm%2Favalanche'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab7656cd7f137c214177ae888c986eab80a8a3b8 [INFO] checking anthdm/avalanche against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthdm%2Favalanche" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anthdm/avalanche on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/anthdm/avalanche [INFO] finished tweaking git repo https://github.com/anthdm/avalanche [INFO] tweaked toml for git repo https://github.com/anthdm/avalanche written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/anthdm/avalanche already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded byteorder v1.2.3 [INFO] [stderr] Downloaded cc v1.0.18 [INFO] [stderr] Downloaded rand v0.5.4 [INFO] [stderr] Downloaded rand_core v0.2.1 [INFO] [stderr] Downloaded lazy_static v1.0.2 [INFO] [stderr] Downloaded ring v0.13.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bb5907cb9cc8ea7d5a0f33bee75adde07149d5f01526871f7f4b41bfe16ef1c [INFO] running `Command { std: "docker" "start" "-a" "4bb5907cb9cc8ea7d5a0f33bee75adde07149d5f01526871f7f4b41bfe16ef1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bb5907cb9cc8ea7d5a0f33bee75adde07149d5f01526871f7f4b41bfe16ef1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bb5907cb9cc8ea7d5a0f33bee75adde07149d5f01526871f7f4b41bfe16ef1c", kill_on_drop: false }` [INFO] [stdout] 4bb5907cb9cc8ea7d5a0f33bee75adde07149d5f01526871f7f4b41bfe16ef1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83265675d79715930881454d800f1549a06b2c485960ffe2e9d893ae3840440e [INFO] running `Command { std: "docker" "start" "-a" "83265675d79715930881454d800f1549a06b2c485960ffe2e9d893ae3840440e", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking lazy_static v1.0.2 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Compiling ring v0.13.2 [INFO] [stderr] Checking rand v0.5.4 [INFO] [stderr] Checking avalanche v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> src/main.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{sample, thread_rng, Rng}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep` [INFO] [stdout] --> src/main.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | thread::sleep_ms(500); // cpu ded [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> src/main.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 171 | sample(&mut thread_rng(), ids, n) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> src/main.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{sample, thread_rng, Rng}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep` [INFO] [stdout] --> src/main.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | thread::sleep_ms(500); // cpu ded [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> src/main.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 171 | sample(&mut thread_rng(), ids, n) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | let mut sampled = sample_nodes(&nodes, SAMPLES, origin); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:156:25 [INFO] [stdout] | [INFO] [stdout] 156 | let mut node = nodes.get_mut(&to).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/main.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | / sampled [INFO] [stdout] 144 | | .iter() [INFO] [stdout] 145 | | .map(|id| { [INFO] [stdout] 146 | | nodes [INFO] [stdout] ... | [INFO] [stdout] 152 | | }) [INFO] [stdout] 153 | | .collect::>(); [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = sampled [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | self.sender.send((self.id, msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 352 | let _ = self.sender.send((self.id, msg)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | self.sender.send((self.id, msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 357 | let _ = self.sender.send((self.id, msg)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | let mut sampled = sample_nodes(&nodes, SAMPLES, origin); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:156:25 [INFO] [stdout] | [INFO] [stdout] 156 | let mut node = nodes.get_mut(&to).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/main.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | / sampled [INFO] [stdout] 144 | | .iter() [INFO] [stdout] 145 | | .map(|id| { [INFO] [stdout] 146 | | nodes [INFO] [stdout] ... | [INFO] [stdout] 152 | | }) [INFO] [stdout] 153 | | .collect::>(); [INFO] [stdout] | |____________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = sampled [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | self.sender.send((self.id, msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 352 | let _ = self.sender.send((self.id, msg)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | self.sender.send((self.id, msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 357 | let _ = self.sender.send((self.id, msg)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.05s [INFO] running `Command { std: "docker" "inspect" "83265675d79715930881454d800f1549a06b2c485960ffe2e9d893ae3840440e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83265675d79715930881454d800f1549a06b2c485960ffe2e9d893ae3840440e", kill_on_drop: false }` [INFO] [stdout] 83265675d79715930881454d800f1549a06b2c485960ffe2e9d893ae3840440e