[INFO] cloning repository https://github.com/aszecsei/impact
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aszecsei/impact" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faszecsei%2Fimpact", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faszecsei%2Fimpact'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1dd836d2032785ab732cba1a92e785d11874a92
[INFO] checking aszecsei/impact against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faszecsei%2Fimpact" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aszecsei/impact on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aszecsei/impact
[INFO] finished tweaking git repo https://github.com/aszecsei/impact
[INFO] tweaked toml for git repo https://github.com/aszecsei/impact written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/aszecsei/impact already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 2bedae6567aabd2a17574731db198108906425094844e7b6793dfb257f708d77
[INFO] running `Command { std: "docker" "start" "-a" "2bedae6567aabd2a17574731db198108906425094844e7b6793dfb257f708d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bedae6567aabd2a17574731db198108906425094844e7b6793dfb257f708d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bedae6567aabd2a17574731db198108906425094844e7b6793dfb257f708d77", kill_on_drop: false }`
[INFO] [stdout] 2bedae6567aabd2a17574731db198108906425094844e7b6793dfb257f708d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90cfac5ec7956dc9acb16bad97a18130a21a85f1797b38aea27426335a9f8412
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90cfac5ec7956dc9acb16bad97a18130a21a85f1797b38aea27426335a9f8412", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking impact v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `insert_list`
[INFO] [stdout]   --> src/bin_packs/max_rects.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn insert_list(
[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: `occupancy`
[INFO] [stdout]    --> src/bin_packs/max_rects.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn occupancy(&self) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score_rect`
[INFO] [stdout]    --> src/bin_packs/max_rects.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn score_rect(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compare_rect_short_side`
[INFO] [stdout]   --> src/rect.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn compare_rect_short_side(&self, b: &Rect) -> std::cmp::Ordering {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `node_sort_cmp`
[INFO] [stdout]   --> src/rect.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn node_sort_cmp(a: &Rect, b: &Rect) -> std::cmp::Ordering {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisjointRectCollection`
[INFO] [stdout]   --> src/rect.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct DisjointRectCollection {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rect.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/rect.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add(&mut self, r: &Rect) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/rect.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disjoint`
[INFO] [stdout]   --> src/rect.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn disjoint(&self, r: &Rect) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disjoint`
[INFO] [stdout]   --> src/rect.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn disjoint(a: &Rect, b: &Rect) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_list`
[INFO] [stdout]   --> src/bin_packs/max_rects.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn insert_list(
[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: `occupancy`
[INFO] [stdout]    --> src/bin_packs/max_rects.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn occupancy(&self) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score_rect`
[INFO] [stdout]    --> src/bin_packs/max_rects.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn score_rect(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compare_rect_short_side`
[INFO] [stdout]   --> src/rect.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn compare_rect_short_side(&self, b: &Rect) -> std::cmp::Ordering {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `node_sort_cmp`
[INFO] [stdout]   --> src/rect.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn node_sort_cmp(a: &Rect, b: &Rect) -> std::cmp::Ordering {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisjointRectCollection`
[INFO] [stdout]   --> src/rect.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct DisjointRectCollection {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rect.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/rect.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add(&mut self, r: &Rect) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/rect.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disjoint`
[INFO] [stdout]   --> src/rect.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn disjoint(&self, r: &Rect) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disjoint`
[INFO] [stdout]   --> src/rect.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn disjoint(a: &Rect, b: &Rect) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "90cfac5ec7956dc9acb16bad97a18130a21a85f1797b38aea27426335a9f8412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cfac5ec7956dc9acb16bad97a18130a21a85f1797b38aea27426335a9f8412", kill_on_drop: false }`
[INFO] [stdout] 90cfac5ec7956dc9acb16bad97a18130a21a85f1797b38aea27426335a9f8412