[INFO] cloning repository https://github.com/emallson/max-cover-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emallson/max-cover-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Fmax-cover-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Fmax-cover-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e41bc5578b5abc677bfda9bb8176f9be6fd96801 [INFO] checking emallson/max-cover-rs against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Fmax-cover-rs" "/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/emallson/max-cover-rs on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emallson/max-cover-rs [INFO] finished tweaking git repo https://github.com/emallson/max-cover-rs [INFO] tweaked toml for git repo https://github.com/emallson/max-cover-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/emallson/max-cover-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47dad4c26a737a101d3df276c40544e629d1f01efa71d652415a821fc2a898b4 [INFO] running `Command { std: "docker" "start" "-a" "47dad4c26a737a101d3df276c40544e629d1f01efa71d652415a821fc2a898b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47dad4c26a737a101d3df276c40544e629d1f01efa71d652415a821fc2a898b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47dad4c26a737a101d3df276c40544e629d1f01efa71d652415a821fc2a898b4", kill_on_drop: false }` [INFO] [stdout] 47dad4c26a737a101d3df276c40544e629d1f01efa71d652415a821fc2a898b4 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e32bd399bb13e32b9abe907bab0fec650e100cd952561319944abbece408854e [INFO] running `Command { std: "docker" "start" "-a" "e32bd399bb13e32b9abe907bab0fec650e100cd952561319944abbece408854e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling quote v0.3.12 [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking serde v0.9.5 [INFO] [stderr] Checking num-traits v0.1.36 [INFO] [stderr] Checking dtoa v0.4.0 [INFO] [stderr] Checking lazy_static v0.2.2 [INFO] [stderr] Checking itoa v0.3.0 [INFO] [stderr] Checking rustc-serialize v0.3.22 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Compiling syn v0.11.4 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Compiling rplex v0.1.0 (https://github.com/emallson/rplex.git#c4d88bcc) [INFO] [stderr] Checking thread_local v0.3.2 [INFO] [stderr] Compiling serde_codegen_internals v0.12.1 [INFO] [stderr] Checking aho-corasick v0.6.1 [INFO] [stderr] Checking serde_json v0.9.3 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Compiling serde_derive v0.9.5 [INFO] [stderr] Checking docopt v0.7.0 [INFO] [stderr] Checking cover v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/main.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/main.rs:13:32 [INFO] [stdout] | [INFO] [stdout] 13 | use rand::{thread_rng, sample, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:131:45 [INFO] [stdout] | [INFO] [stdout] 131 | prob.add_constraint(con!("cardinality": (k as f64) >= sum set_vars.iter())).unwrap(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 131 - prob.add_constraint(con!("cardinality": (k as f64) >= sum set_vars.iter())).unwrap(); [INFO] [stdout] 131 + prob.add_constraint(con!("cardinality": k as f64 >= sum set_vars.iter())).unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/main.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/main.rs:13:32 [INFO] [stdout] | [INFO] [stdout] 13 | use rand::{thread_rng, sample, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:131:45 [INFO] [stdout] | [INFO] [stdout] 131 | prob.add_constraint(con!("cardinality": (k as f64) >= sum set_vars.iter())).unwrap(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 131 - prob.add_constraint(con!("cardinality": (k as f64) >= sum set_vars.iter())).unwrap(); [INFO] [stdout] 131 + prob.add_constraint(con!("cardinality": k as f64 >= sum set_vars.iter())).unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.23s [INFO] running `Command { std: "docker" "inspect" "e32bd399bb13e32b9abe907bab0fec650e100cd952561319944abbece408854e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e32bd399bb13e32b9abe907bab0fec650e100cd952561319944abbece408854e", kill_on_drop: false }` [INFO] [stdout] e32bd399bb13e32b9abe907bab0fec650e100cd952561319944abbece408854e