[INFO] cloning repository https://github.com/Ryan1729/ice_puzzles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryan1729/ice_puzzles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fice_puzzles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fice_puzzles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8c45b05bc34f31855977c73b0db7842e5841bb0
[INFO] checking Ryan1729/ice_puzzles against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fice_puzzles" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryan1729/ice_puzzles 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/Ryan1729/ice_puzzles
[INFO] finished tweaking git repo https://github.com/Ryan1729/ice_puzzles
[INFO] tweaked toml for git repo https://github.com/Ryan1729/ice_puzzles written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryan1729/ice_puzzles 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] b4defe537c37e0388b207ff6205162a8ab7b6ba1632d69528c948e6eba57603a
[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" "b4defe537c37e0388b207ff6205162a8ab7b6ba1632d69528c948e6eba57603a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4defe537c37e0388b207ff6205162a8ab7b6ba1632d69528c948e6eba57603a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4defe537c37e0388b207ff6205162a8ab7b6ba1632d69528c948e6eba57603a", kill_on_drop: false }`
[INFO] [stdout] b4defe537c37e0388b207ff6205162a8ab7b6ba1632d69528c948e6eba57603a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] b12442e2ea4833236cdb9f4be7a95364e6c334d827eaf8e8a9398e27156a9553
[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" "b12442e2ea4833236cdb9f4be7a95364e6c334d827eaf8e8a9398e27156a9553", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stdout] warning: unused imports: `Rand`, `Rng`
[INFO] [stdout]  --> common/src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{StdRng, Rand, Rng};
[INFO] [stdout]   |                    ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Iterator`
[INFO] [stdout]  --> common/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Cycle`
[INFO] [stdout]  --> common/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::Cycle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> common/src/lib.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub get_foreground: fn() -> (Color),
[INFO] [stdout]    |                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> common/src/lib.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub get_background: fn() -> (Color),
[INFO] [stdout]    |                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rand`, `Rng`
[INFO] [stdout]  --> common/src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{StdRng, Rand, Rng};
[INFO] [stdout]   |                    ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Iterator`
[INFO] [stdout]  --> common/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Cycle`
[INFO] [stdout]  --> common/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::Cycle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> common/src/lib.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub get_foreground: fn() -> (Color),
[INFO] [stdout]    |                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> common/src/lib.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub get_background: fn() -> (Color),
[INFO] [stdout]    |                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking state_manipulation v0.1.0 (/opt/rustwide/workdir/state_manipulation)
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]    --> state_manipulation/src/lib.rs:590:4
[INFO] [stdout]     |
[INFO] [stdout] 590 | fn sub<T: Sub<Output = T>>((x1, y1): (T, T), (x2, y2): (T, T)) -> (T, T) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking live-code-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sub`
[INFO] [stdout]    --> state_manipulation/src/lib.rs:590:4
[INFO] [stdout]     |
[INFO] [stdout] 590 | fn sub<T: Sub<Output = T>>((x1, y1): (T, T), (x2, y2): (T, T)) -> (T, T) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "b12442e2ea4833236cdb9f4be7a95364e6c334d827eaf8e8a9398e27156a9553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12442e2ea4833236cdb9f4be7a95364e6c334d827eaf8e8a9398e27156a9553", kill_on_drop: false }`
[INFO] [stdout] b12442e2ea4833236cdb9f4be7a95364e6c334d827eaf8e8a9398e27156a9553