[INFO] updating cached repository https://github.com/pepone42/minesweeper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07d4413426c90c5ed81c444d5760b3fac2fbdb51
[INFO] testing pepone42/minesweeper against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%2Fminesweeper" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepone42/minesweeper on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pepone42/minesweeper
[INFO] finished tweaking git repo https://github.com/pepone42/minesweeper
[INFO] tweaked toml for git repo https://github.com/pepone42/minesweeper written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/pepone42/minesweeper already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b619e912ee1e25515892dbd40326fc5d2e92699313b5aef8ab766e9280589e3f
[INFO] running `"docker" "start" "-a" "b619e912ee1e25515892dbd40326fc5d2e92699313b5aef8ab766e9280589e3f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rustyline v5.0.2
[INFO] [stderr]    Compiling mine2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/towdarray.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set(&mut self, x: usize, y: usize, value: T) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `point_to_position`
[INFO] [stderr]   --> src/towdarray.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn point_to_position(&self, x: usize, y: usize) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.77s
[INFO] running `"docker" "inspect" "b619e912ee1e25515892dbd40326fc5d2e92699313b5aef8ab766e9280589e3f"`
[INFO] running `"docker" "rm" "-f" "b619e912ee1e25515892dbd40326fc5d2e92699313b5aef8ab766e9280589e3f"`
[INFO] [stdout] b619e912ee1e25515892dbd40326fc5d2e92699313b5aef8ab766e9280589e3f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b22fdea1076a564fb904ab6631851c13146febeb19002e9c5d5dfb28092264e0
[INFO] running `"docker" "start" "-a" "b22fdea1076a564fb904ab6631851c13146febeb19002e9c5d5dfb28092264e0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mine2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/towdarray.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set(&mut self, x: usize, y: usize, value: T) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `point_to_position`
[INFO] [stderr]   --> src/towdarray.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn point_to_position(&self, x: usize, y: usize) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "b22fdea1076a564fb904ab6631851c13146febeb19002e9c5d5dfb28092264e0"`
[INFO] running `"docker" "rm" "-f" "b22fdea1076a564fb904ab6631851c13146febeb19002e9c5d5dfb28092264e0"`
[INFO] [stdout] b22fdea1076a564fb904ab6631851c13146febeb19002e9c5d5dfb28092264e0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d869a865f6695ec71b12d18fa62d79c957fd7a885e25fbae1d6d50ca819ad16
[INFO] running `"docker" "start" "-a" "8d869a865f6695ec71b12d18fa62d79c957fd7a885e25fbae1d6d50ca819ad16"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/towdarray.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set(&mut self, x: usize, y: usize, value: T) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `point_to_position`
[INFO] [stderr]   --> src/towdarray.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn point_to_position(&self, x: usize, y: usize) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mine2-3df6585cdea99b72
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8d869a865f6695ec71b12d18fa62d79c957fd7a885e25fbae1d6d50ca819ad16"`
[INFO] running `"docker" "rm" "-f" "8d869a865f6695ec71b12d18fa62d79c957fd7a885e25fbae1d6d50ca819ad16"`
[INFO] [stdout] 8d869a865f6695ec71b12d18fa62d79c957fd7a885e25fbae1d6d50ca819ad16