[INFO] cloning repository https://github.com/c-cube/strictly_tally [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c-cube/strictly_tally" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-cube%2Fstrictly_tally", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-cube%2Fstrictly_tally'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 355075a84f98b9192d3fcb4916ebfd5751c1c3e7 [INFO] checking c-cube/strictly_tally against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-cube%2Fstrictly_tally" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/c-cube/strictly_tally on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/c-cube/strictly_tally [INFO] finished tweaking git repo https://github.com/c-cube/strictly_tally [INFO] tweaked toml for git repo https://github.com/c-cube/strictly_tally written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/c-cube/strictly_tally already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", 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] aa9690410acd7bf28a7777c2e14ae6d59d01d705e584a16562953ad0ddc14dde [INFO] running `Command { std: "docker" "start" "-a" "aa9690410acd7bf28a7777c2e14ae6d59d01d705e584a16562953ad0ddc14dde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa9690410acd7bf28a7777c2e14ae6d59d01d705e584a16562953ad0ddc14dde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa9690410acd7bf28a7777c2e14ae6d59d01d705e584a16562953ad0ddc14dde", kill_on_drop: false }` [INFO] [stdout] aa9690410acd7bf28a7777c2e14ae6d59d01d705e584a16562953ad0ddc14dde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] bc4af3c833765a50052e8f3e2e9871360a14b663621162181b62ca552c0d348d [INFO] running `Command { std: "docker" "start" "-a" "bc4af3c833765a50052e8f3e2e9871360a14b663621162181b62ca552c0d348d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Checking strictly_tally v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `notes` [INFO] [stdout] --> src/main.rs:299:20 [INFO] [stdout] | [INFO] [stdout] 299 | let Sheet {notes, judges, competitors, ..} = self; [INFO] [stdout] | ^^^^^ help: try ignoring the field: `notes: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `judges` [INFO] [stdout] --> src/main.rs:299:27 [INFO] [stdout] | [INFO] [stdout] 299 | let Sheet {notes, judges, competitors, ..} = self; [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `judges: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `notes` [INFO] [stdout] --> src/main.rs:299:20 [INFO] [stdout] | [INFO] [stdout] 299 | let Sheet {notes, judges, competitors, ..} = self; [INFO] [stdout] | ^^^^^ help: try ignoring the field: `notes: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `judges` [INFO] [stdout] --> src/main.rs:299:27 [INFO] [stdout] | [INFO] [stdout] 299 | let Sheet {notes, judges, competitors, ..} = self; [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `judges: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_one` [INFO] [stdout] --> src/main.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn as_one(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `map` [INFO] [stdout] --> src/main.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn map(&self, mut f: F) -> Cluster where F: FnMut(&T) -> U { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_str` [INFO] [stdout] --> src/main.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn from_str(s: &str) -> Res { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:361:21 [INFO] [stdout] | [INFO] [stdout] 361 | write!(out, "{:?}", c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:361:21 [INFO] [stdout] | [INFO] [stdout] 361 | write!(out, "{:?}", c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.55s [INFO] running `Command { std: "docker" "inspect" "bc4af3c833765a50052e8f3e2e9871360a14b663621162181b62ca552c0d348d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc4af3c833765a50052e8f3e2e9871360a14b663621162181b62ca552c0d348d", kill_on_drop: false }` [INFO] [stdout] bc4af3c833765a50052e8f3e2e9871360a14b663621162181b62ca552c0d348d