[INFO] cloning repository https://github.com/driftspin/bamboo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/driftspin/bamboo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriftspin%2Fbamboo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriftspin%2Fbamboo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6643005595e994053b607d1c967c81e5d8e2f478 [INFO] checking driftspin/bamboo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriftspin%2Fbamboo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/driftspin/bamboo 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/driftspin/bamboo [INFO] finished tweaking git repo https://github.com/driftspin/bamboo [INFO] tweaked toml for git repo https://github.com/driftspin/bamboo written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/driftspin/bamboo 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cf8db1316d87e027c6daeb1343797c7bd6c2c1c9cecba246b5e92254b34ac33d [INFO] running `Command { std: "docker" "start" "-a" "cf8db1316d87e027c6daeb1343797c7bd6c2c1c9cecba246b5e92254b34ac33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf8db1316d87e027c6daeb1343797c7bd6c2c1c9cecba246b5e92254b34ac33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf8db1316d87e027c6daeb1343797c7bd6c2c1c9cecba246b5e92254b34ac33d", kill_on_drop: false }` [INFO] [stdout] cf8db1316d87e027c6daeb1343797c7bd6c2c1c9cecba246b5e92254b34ac33d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6b4d79bfac2202554f8e385fbc0c3b154dbe54b40bca7f410abd982d20bb7ecd [INFO] running `Command { std: "docker" "start" "-a" "6b4d79bfac2202554f8e385fbc0c3b154dbe54b40bca7f410abd982d20bb7ecd", kill_on_drop: false }` [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking bamboo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> src/main.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Duration, Instant, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> src/main.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Duration, Instant, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latency` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let latency = Duration::from_millis(latency_ms); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latency` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `bytes_read` is assigned to, but never used [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut bytes_read = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_bytes_read` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | fn throttle(mut stream: TcpStream, download_rate: u64, latency_ms: u64) -> Result { [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: function `handle_client` is never used [INFO] [stdout] --> src/main.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn handle_client(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latency` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let latency = Duration::from_millis(latency_ms); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latency` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `bytes_read` is assigned to, but never used [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut bytes_read = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_bytes_read` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | fn throttle(mut stream: TcpStream, download_rate: u64, latency_ms: u64) -> Result { [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: function `handle_client` is never used [INFO] [stdout] --> src/main.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn handle_client(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "6b4d79bfac2202554f8e385fbc0c3b154dbe54b40bca7f410abd982d20bb7ecd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b4d79bfac2202554f8e385fbc0c3b154dbe54b40bca7f410abd982d20bb7ecd", kill_on_drop: false }` [INFO] [stdout] 6b4d79bfac2202554f8e385fbc0c3b154dbe54b40bca7f410abd982d20bb7ecd [INFO] checking driftspin/bamboo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriftspin%2Fbamboo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/driftspin/bamboo on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/driftspin/bamboo [INFO] finished tweaking git repo https://github.com/driftspin/bamboo [INFO] tweaked toml for git repo https://github.com/driftspin/bamboo written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/driftspin/bamboo 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ddb70105f05d1d52c3e9544f67a6e340c590292dd5a29e4df39a38b2e8b2e72 [INFO] running `Command { std: "docker" "start" "-a" "4ddb70105f05d1d52c3e9544f67a6e340c590292dd5a29e4df39a38b2e8b2e72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ddb70105f05d1d52c3e9544f67a6e340c590292dd5a29e4df39a38b2e8b2e72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ddb70105f05d1d52c3e9544f67a6e340c590292dd5a29e4df39a38b2e8b2e72", kill_on_drop: false }` [INFO] [stdout] 4ddb70105f05d1d52c3e9544f67a6e340c590292dd5a29e4df39a38b2e8b2e72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b583c80809e635e7b4cba0addc8a99746b176ac6ae914c818670028f6fcbe08 [INFO] running `Command { std: "docker" "start" "-a" "0b583c80809e635e7b4cba0addc8a99746b176ac6ae914c818670028f6fcbe08", kill_on_drop: false }` [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking bamboo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> src/main.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Duration, Instant, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> src/main.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Duration, Instant, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latency` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let latency = Duration::from_millis(latency_ms); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latency` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `bytes_read` is assigned to, but never used [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut bytes_read = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_bytes_read` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latency` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let latency = Duration::from_millis(latency_ms); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latency` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `bytes_read` is assigned to, but never used [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut bytes_read = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_bytes_read` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | fn throttle(mut stream: TcpStream, download_rate: u64, latency_ms: u64) -> Result { [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: function `handle_client` is never used [INFO] [stdout] --> src/main.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn handle_client(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | fn throttle(mut stream: TcpStream, download_rate: u64, latency_ms: u64) -> Result { [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: function `handle_client` is never used [INFO] [stdout] --> src/main.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn handle_client(mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "0b583c80809e635e7b4cba0addc8a99746b176ac6ae914c818670028f6fcbe08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b583c80809e635e7b4cba0addc8a99746b176ac6ae914c818670028f6fcbe08", kill_on_drop: false }` [INFO] [stdout] 0b583c80809e635e7b4cba0addc8a99746b176ac6ae914c818670028f6fcbe08