[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] checking jsdw/seating-arrangement against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fseating-arrangement" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsdw/seating-arrangement 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/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-5-tc1/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: 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] Downloading crates ... [INFO] [stderr] Downloaded bstr v0.2.7 [INFO] [stderr] Downloaded csv v1.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7e8694318e44b7ffa081623a14b778b8135a97e5221ca07ff5d8f9f9aa136fe9 [INFO] running `Command { std: "docker" "start" "-a" "7e8694318e44b7ffa081623a14b778b8135a97e5221ca07ff5d8f9f9aa136fe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e8694318e44b7ffa081623a14b778b8135a97e5221ca07ff5d8f9f9aa136fe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e8694318e44b7ffa081623a14b778b8135a97e5221ca07ff5d8f9f9aa136fe9", kill_on_drop: false }` [INFO] [stdout] 7e8694318e44b7ffa081623a14b778b8135a97e5221ca07ff5d8f9f9aa136fe9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 55df2227f8c38a7abc4c1f74ef751c4e49bada0298992f842cd4a677c030eb92 [INFO] running `Command { std: "docker" "start" "-a" "55df2227f8c38a7abc4c1f74ef751c4e49bada0298992f842cd4a677c030eb92", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking bstr v0.2.7 [INFO] [stderr] Checking ctrlc v3.1.3 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking seating-arrangement v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `individual_cost` is never used [INFO] [stdout] --> src/cost.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Option> Cost { [INFO] [stdout] | ------------------------------------------------------- method in this implementation [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: method `cost_of_move` is never used [INFO] [stdout] --> src/search.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 96 | impl Move { [INFO] [stdout] | --------- method in this implementation [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] [stdout] warning: method `individual_cost` is never used [INFO] [stdout] --> src/cost.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Option> Cost { [INFO] [stdout] | ------------------------------------------------------- method in this implementation [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: method `cost_of_move` is never used [INFO] [stdout] --> src/search.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 96 | impl Move { [INFO] [stdout] | --------- method in this implementation [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` profile [unoptimized + debuginfo] target(s) in 5.63s [INFO] running `Command { std: "docker" "inspect" "55df2227f8c38a7abc4c1f74ef751c4e49bada0298992f842cd4a677c030eb92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55df2227f8c38a7abc4c1f74ef751c4e49bada0298992f842cd4a677c030eb92", kill_on_drop: false }` [INFO] [stdout] 55df2227f8c38a7abc4c1f74ef751c4e49bada0298992f842cd4a677c030eb92