[INFO] cloning repository https://github.com/samsartor/infloop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samsartor/infloop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsartor%2Finfloop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsartor%2Finfloop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 999f89d287a80e32957861ce42d5a7c27db6579d
[INFO] checking samsartor/infloop against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsartor%2Finfloop" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samsartor/infloop on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samsartor/infloop
[INFO] finished tweaking git repo https://github.com/samsartor/infloop
[INFO] tweaked toml for git repo https://github.com/samsartor/infloop written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/samsartor/infloop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayref v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea90764ba9786e75a50c6681a8699b42740a5089931af05cf9355a2769930a70
[INFO] running `Command { std: "docker" "start" "-a" "ea90764ba9786e75a50c6681a8699b42740a5089931af05cf9355a2769930a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea90764ba9786e75a50c6681a8699b42740a5089931af05cf9355a2769930a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea90764ba9786e75a50c6681a8699b42740a5089931af05cf9355a2769930a70", kill_on_drop: false }`
[INFO] [stdout] ea90764ba9786e75a50c6681a8699b42740a5089931af05cf9355a2769930a70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a2fd296c668d955c33eec01ac7252d21a31b8997763a1127adda91fdbf4aaf
[INFO] running `Command { std: "docker" "start" "-a" "21a2fd296c668d955c33eec01ac7252d21a31b8997763a1127adda91fdbf4aaf", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking arrayref v0.3.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking infloop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/solver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::NumCast`
[INFO] [stdout]  --> src/solver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::NumCast;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/solver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::NumCast`
[INFO] [stdout]  --> src/solver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::NumCast;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InfLoopSolver` is never constructed
[INFO] [stdout]  --> src/solver.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct InfLoopSolver {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Empty`, `Line`, `Corner`, `Three`, and `Cross` are never constructed
[INFO] [stdout]   --> src/solver.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum CellType {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 10 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     Peg,
[INFO] [stdout] 12 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     Corner,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Three,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     Cross
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `basic_shape` is never used
[INFO] [stdout]   --> src/solver.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn basic_shape(&self) -> [bool; 4] {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rot_shape` is never used
[INFO] [stdout]   --> src/solver.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn rot_shape<T: CastInt<usize>>(&self, rot: T) -> [bool; 4] {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InfLoopSolver` is never constructed
[INFO] [stdout]  --> src/solver.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct InfLoopSolver {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Empty`, `Line`, `Corner`, `Three`, and `Cross` are never constructed
[INFO] [stdout]   --> src/solver.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum CellType {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 10 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     Peg,
[INFO] [stdout] 12 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     Corner,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Three,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     Cross
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `basic_shape` is never used
[INFO] [stdout]   --> src/solver.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn basic_shape(&self) -> [bool; 4] {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rot_shape` is never used
[INFO] [stdout]   --> src/solver.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn rot_shape<T: CastInt<usize>>(&self, rot: T) -> [bool; 4] {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "21a2fd296c668d955c33eec01ac7252d21a31b8997763a1127adda91fdbf4aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a2fd296c668d955c33eec01ac7252d21a31b8997763a1127adda91fdbf4aaf", kill_on_drop: false }`
[INFO] [stdout] 21a2fd296c668d955c33eec01ac7252d21a31b8997763a1127adda91fdbf4aaf