[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] testing samsartor/infloop against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsartor%2Finfloop" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samsartor/infloop on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-9/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ac34a446b4f05e1d645d0c01b3cca9916525aaafe91fa426507e543f58a6764
[INFO] running `Command { std: "docker" "start" "-a" "2ac34a446b4f05e1d645d0c01b3cca9916525aaafe91fa426507e543f58a6764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac34a446b4f05e1d645d0c01b3cca9916525aaafe91fa426507e543f58a6764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac34a446b4f05e1d645d0c01b3cca9916525aaafe91fa426507e543f58a6764", kill_on_drop: false }`
[INFO] [stdout] 2ac34a446b4f05e1d645d0c01b3cca9916525aaafe91fa426507e543f58a6764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3508774894cb6ef04434a1722531fd0f636f078f4578edbd7ef87f7c8f4cfd81
[INFO] running `Command { std: "docker" "start" "-a" "3508774894cb6ef04434a1722531fd0f636f078f4578edbd7ef87f7c8f4cfd81", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling arrayref v0.3.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling 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: struct is never constructed: `InfLoopSolver`
[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: variant is never constructed: `Empty`
[INFO] [stdout]   --> src/solver.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Line`
[INFO] [stdout]   --> src/solver.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Corner`
[INFO] [stdout]   --> src/solver.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Corner,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Three`
[INFO] [stdout]   --> src/solver.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Three,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cross`
[INFO] [stdout]   --> src/solver.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Cross
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `basic_shape`
[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 is never used: `rot_shape`
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "3508774894cb6ef04434a1722531fd0f636f078f4578edbd7ef87f7c8f4cfd81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3508774894cb6ef04434a1722531fd0f636f078f4578edbd7ef87f7c8f4cfd81", kill_on_drop: false }`
[INFO] [stdout] 3508774894cb6ef04434a1722531fd0f636f078f4578edbd7ef87f7c8f4cfd81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a89168a73268311a1313a01a316390c29fd2698f0392a065b76418cd68490f6
[INFO] running `Command { std: "docker" "start" "-a" "1a89168a73268311a1313a01a316390c29fd2698f0392a065b76418cd68490f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: struct is never constructed: `InfLoopSolver`
[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: variant is never constructed: `Empty`
[INFO] [stdout]   --> src/solver.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Line`
[INFO] [stdout]   --> src/solver.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Corner`
[INFO] [stdout]   --> src/solver.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Corner,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Three`
[INFO] [stdout]   --> src/solver.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Three,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cross`
[INFO] [stdout]   --> src/solver.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Cross
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `basic_shape`
[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 is never used: `rot_shape`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a89168a73268311a1313a01a316390c29fd2698f0392a065b76418cd68490f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a89168a73268311a1313a01a316390c29fd2698f0392a065b76418cd68490f6", kill_on_drop: false }`
[INFO] [stdout] 1a89168a73268311a1313a01a316390c29fd2698f0392a065b76418cd68490f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70b7f99340636d82223dd7d98e2d10fcc3c045eadd3eaf14be378fa503c4d7e2
[INFO] running `Command { std: "docker" "start" "-a" "70b7f99340636d82223dd7d98e2d10fcc3c045eadd3eaf14be378fa503c4d7e2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/solver.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::NumCast`
[INFO] [stderr]  --> src/solver.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num::NumCast;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InfLoopSolver`
[INFO] [stderr]  --> src/solver.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct InfLoopSolver {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]   --> src/solver.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Line`
[INFO] [stderr]   --> src/solver.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Line,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Corner`
[INFO] [stderr]   --> src/solver.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Corner,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Three`
[INFO] [stderr]   --> src/solver.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Three,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cross`
[INFO] [stderr]   --> src/solver.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Cross
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `basic_shape`
[INFO] [stderr]   --> src/solver.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn basic_shape(&self) -> [bool; 4] {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rot_shape`
[INFO] [stderr]   --> src/solver.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn rot_shape<T: CastInt<usize>>(&self, rot: T) -> [bool; 4] {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/infloop-d161dc12fa1b6a6c)
[INFO] running `Command { std: "docker" "inspect" "70b7f99340636d82223dd7d98e2d10fcc3c045eadd3eaf14be378fa503c4d7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b7f99340636d82223dd7d98e2d10fcc3c045eadd3eaf14be378fa503c4d7e2", kill_on_drop: false }`
[INFO] [stdout] 70b7f99340636d82223dd7d98e2d10fcc3c045eadd3eaf14be378fa503c4d7e2