[INFO] cloning repository https://github.com/jsdw/seating-arrangement [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsdw/seating-arrangement" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fseating-arrangement", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fseating-arrangement'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a6692e7ba424e7160b8c37c2471de225ac79bef5 [INFO] testing jsdw/seating-arrangement against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fseating-arrangement" "/workspace/builds/worker-80/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsdw/seating-arrangement on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jsdw/seating-arrangement [INFO] finished tweaking git repo https://github.com/jsdw/seating-arrangement [INFO] tweaked toml for git repo https://github.com/jsdw/seating-arrangement written to /workspace/builds/worker-80/source/Cargo.toml [INFO] crate git repo https://github.com/jsdw/seating-arrangement already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f85a446b8a4e5a59b12052813fb9515ac6aedb4e6aa6ed8606cf2edf8617dca4 [INFO] running `Command { std: "docker" "start" "-a" "f85a446b8a4e5a59b12052813fb9515ac6aedb4e6aa6ed8606cf2edf8617dca4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f85a446b8a4e5a59b12052813fb9515ac6aedb4e6aa6ed8606cf2edf8617dca4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f85a446b8a4e5a59b12052813fb9515ac6aedb4e6aa6ed8606cf2edf8617dca4", kill_on_drop: false }` [INFO] [stdout] f85a446b8a4e5a59b12052813fb9515ac6aedb4e6aa6ed8606cf2edf8617dca4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39f04893b5b488d3af48793d7a61a023dea3847251c5b799e8a98da4c55a4a83 [INFO] running `Command { std: "docker" "start" "-a" "39f04893b5b488d3af48793d7a61a023dea3847251c5b799e8a98da4c55a4a83", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling ctrlc v3.1.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling bstr v0.2.7 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling seating-arrangement v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `individual_cost` [INFO] [stdout] --> src/cost.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn individual_cost(&self, seats: &Seats<'_,T>, index: usize) -> isize { [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: `cost_of_move` [INFO] [stdout] --> src/search.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn cost_of_move<'t,F>(&self, seats: &mut Seats<'t,Id>, cost: &Cost) -> isize where F: Fn(&Id,&Id) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.02s [INFO] running `Command { std: "docker" "inspect" "39f04893b5b488d3af48793d7a61a023dea3847251c5b799e8a98da4c55a4a83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39f04893b5b488d3af48793d7a61a023dea3847251c5b799e8a98da4c55a4a83", kill_on_drop: false }` [INFO] [stdout] 39f04893b5b488d3af48793d7a61a023dea3847251c5b799e8a98da4c55a4a83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f935eae3f0a75665a6ec7bbfc1150c7e28177936fb10f9cc81fbca751ef1e8ad [INFO] running `Command { std: "docker" "start" "-a" "f935eae3f0a75665a6ec7bbfc1150c7e28177936fb10f9cc81fbca751ef1e8ad", kill_on_drop: false }` [INFO] [stderr] Compiling seating-arrangement v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `individual_cost` [INFO] [stdout] --> src/cost.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn individual_cost(&self, seats: &Seats<'_,T>, index: usize) -> isize { [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: `cost_of_move` [INFO] [stdout] --> src/search.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn cost_of_move<'t,F>(&self, seats: &mut Seats<'t,Id>, cost: &Cost) -> isize where F: Fn(&Id,&Id) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "f935eae3f0a75665a6ec7bbfc1150c7e28177936fb10f9cc81fbca751ef1e8ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f935eae3f0a75665a6ec7bbfc1150c7e28177936fb10f9cc81fbca751ef1e8ad", kill_on_drop: false }` [INFO] [stdout] f935eae3f0a75665a6ec7bbfc1150c7e28177936fb10f9cc81fbca751ef1e8ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 455d08c8679cbade5fcbb6363c481789a1ad7e65a23f9519cd0d3b7dae566d1c [INFO] running `Command { std: "docker" "start" "-a" "455d08c8679cbade5fcbb6363c481789a1ad7e65a23f9519cd0d3b7dae566d1c", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `individual_cost` [INFO] [stderr] --> src/cost.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn individual_cost(&self, seats: &Seats<'_,T>, index: usize) -> isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cost_of_move` [INFO] [stderr] --> src/search.rs:113:12 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn cost_of_move<'t,F>(&self, seats: &mut Seats<'t,Id>, cost: &Cost) -> isize where F: Fn(&Id,&Id) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `seating-arrangement` (bin "seating-arrangement" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/seating_arrangement-556157276c98a29c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "455d08c8679cbade5fcbb6363c481789a1ad7e65a23f9519cd0d3b7dae566d1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "455d08c8679cbade5fcbb6363c481789a1ad7e65a23f9519cd0d3b7dae566d1c", kill_on_drop: false }` [INFO] [stdout] 455d08c8679cbade5fcbb6363c481789a1ad7e65a23f9519cd0d3b7dae566d1c