[INFO] cloning repository https://github.com/rust-sketches/ping-pong-containers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-sketches/ping-pong-containers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-sketches%2Fping-pong-containers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-sketches%2Fping-pong-containers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7af7c2cb827c5e4f2b84768353a60735f51d0a2 [INFO] checking rust-sketches/ping-pong-containers against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-sketches%2Fping-pong-containers" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rust-sketches/ping-pong-containers on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rust-sketches/ping-pong-containers [INFO] finished tweaking git repo https://github.com/rust-sketches/ping-pong-containers [INFO] tweaked toml for git repo https://github.com/rust-sketches/ping-pong-containers written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rust-sketches/ping-pong-containers 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 422bb224f11c5ffd88cc42bcf04448c405241cbab70fb2e936f4d7bfa4030394 [INFO] running `Command { std: "docker" "start" "-a" "422bb224f11c5ffd88cc42bcf04448c405241cbab70fb2e936f4d7bfa4030394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "422bb224f11c5ffd88cc42bcf04448c405241cbab70fb2e936f4d7bfa4030394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "422bb224f11c5ffd88cc42bcf04448c405241cbab70fb2e936f4d7bfa4030394", kill_on_drop: false }` [INFO] [stdout] 422bb224f11c5ffd88cc42bcf04448c405241cbab70fb2e936f4d7bfa4030394 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5328b05789a9c2bc3180fe6bb5b654c73c972f79affb7986217d7770522b3884 [INFO] running `Command { std: "docker" "start" "-a" "5328b05789a9c2bc3180fe6bb5b654c73c972f79affb7986217d7770522b3884", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> common/src/lib.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufReader, Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> common/src/lib.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufReader, Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> common/src/lib.rs:40:18 [INFO] [stdout] | [INFO] [stdout] 40 | let (status, msg) = match response { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `headers` [INFO] [stdout] --> common/src/lib.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | Ok((request, headers, body)) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> common/src/lib.rs:73:31 [INFO] [stdout] | [INFO] [stdout] 73 | Ok((request, headers, body)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> common/src/lib.rs:40:18 [INFO] [stdout] | [INFO] [stdout] 40 | let (status, msg) = match response { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `headers` [INFO] [stdout] --> common/src/lib.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | Ok((request, headers, body)) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> common/src/lib.rs:73:31 [INFO] [stdout] | [INFO] [stdout] 73 | Ok((request, headers, body)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> common/src/lib.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | let mut request = "\ [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] [stderr] Checking ping v0.1.0 (/opt/rustwide/workdir/ping) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> common/src/lib.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut request = "\ [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking pong v0.1.0 (/opt/rustwide/workdir/pong) [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "5328b05789a9c2bc3180fe6bb5b654c73c972f79affb7986217d7770522b3884", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5328b05789a9c2bc3180fe6bb5b654c73c972f79affb7986217d7770522b3884", kill_on_drop: false }` [INFO] [stdout] 5328b05789a9c2bc3180fe6bb5b654c73c972f79affb7986217d7770522b3884