[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 try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fice_puzzles" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryan1729/ice_puzzles on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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-12/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c95892d46d66da1bf62e0021d90380d5b575456f81e619c7833950ba3f00f0e
[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" "8c95892d46d66da1bf62e0021d90380d5b575456f81e619c7833950ba3f00f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c95892d46d66da1bf62e0021d90380d5b575456f81e619c7833950ba3f00f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c95892d46d66da1bf62e0021d90380d5b575456f81e619c7833950ba3f00f0e", kill_on_drop: false }`
[INFO] [stdout] 8c95892d46d66da1bf62e0021d90380d5b575456f81e619c7833950ba3f00f0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de56eb5e7cb4352aa2c9776ad88c77aa7032194c574d845e33ffa0a47169db4e
[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" "de56eb5e7cb4352aa2c9776ad88c77aa7032194c574d845e33ffa0a47169db4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking bear-lib-terminal-sys v1.2.2
[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] [stderr]     Checking bear-lib-terminal v1.3.3
[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] [stderr]    Compiling phf_shared v0.7.21
[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: 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] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking live-code-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.45s
[INFO] running `Command { std: "docker" "inspect" "de56eb5e7cb4352aa2c9776ad88c77aa7032194c574d845e33ffa0a47169db4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de56eb5e7cb4352aa2c9776ad88c77aa7032194c574d845e33ffa0a47169db4e", kill_on_drop: false }`
[INFO] [stdout] de56eb5e7cb4352aa2c9776ad88c77aa7032194c574d845e33ffa0a47169db4e