[INFO] cloning repository https://github.com/lfalkau/maze-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lfalkau/maze-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfalkau%2Fmaze-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfalkau%2Fmaze-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5afb007b96063575179880a3472b1f58ac38b5e1
[INFO] testing lfalkau/maze-generator against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfalkau%2Fmaze-generator" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfalkau/maze-generator on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lfalkau/maze-generator
[INFO] finished tweaking git repo https://github.com/lfalkau/maze-generator
[INFO] tweaked toml for git repo https://github.com/lfalkau/maze-generator written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/lfalkau/maze-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73535fde445f8ee0dee8a1800a5d672432ccacb350302af33ec37b6e0f804c32
[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" "73535fde445f8ee0dee8a1800a5d672432ccacb350302af33ec37b6e0f804c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73535fde445f8ee0dee8a1800a5d672432ccacb350302af33ec37b6e0f804c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73535fde445f8ee0dee8a1800a5d672432ccacb350302af33ec37b6e0f804c32", kill_on_drop: false }`
[INFO] [stdout] 73535fde445f8ee0dee8a1800a5d672432ccacb350302af33ec37b6e0f804c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a78f7b5fdb9ac8b462391ca4b2b1f5882197e82c05a942f305786d12156a66d5
[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" "a78f7b5fdb9ac8b462391ca4b2b1f5882197e82c05a942f305786d12156a66d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling maze-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `print_blockwise`
[INFO] [stdout]    --> src/maze.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn print_blockwise(&self, free_char: char, wall_char: char) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Link` should have a snake case name
[INFO] [stdout]    --> src/maze.rs:224:7
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let Link: &mut Link = match direction {
[INFO] [stdout]     |             ^^^^ help: convert the identifier to snake case: `link`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.64s
[INFO] running `Command { std: "docker" "inspect" "a78f7b5fdb9ac8b462391ca4b2b1f5882197e82c05a942f305786d12156a66d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78f7b5fdb9ac8b462391ca4b2b1f5882197e82c05a942f305786d12156a66d5", kill_on_drop: false }`
[INFO] [stdout] a78f7b5fdb9ac8b462391ca4b2b1f5882197e82c05a942f305786d12156a66d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad8c9edba7995211f1303f8bc5a02396cf733f69726f7505c856e124f14d3693
[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" "ad8c9edba7995211f1303f8bc5a02396cf733f69726f7505c856e124f14d3693", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `print_blockwise`
[INFO] [stdout]    --> src/maze.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn print_blockwise(&self, free_char: char, wall_char: char) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Link` should have a snake case name
[INFO] [stdout]    --> src/maze.rs:224:7
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let Link: &mut Link = match direction {
[INFO] [stdout]     |             ^^^^ help: convert the identifier to snake case: `link`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/maze_generator-955354a7e059b10c)
[INFO] running `Command { std: "docker" "inspect" "ad8c9edba7995211f1303f8bc5a02396cf733f69726f7505c856e124f14d3693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8c9edba7995211f1303f8bc5a02396cf733f69726f7505c856e124f14d3693", kill_on_drop: false }`
[INFO] [stdout] ad8c9edba7995211f1303f8bc5a02396cf733f69726f7505c856e124f14d3693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0e237e76370964edc8788b6a8f469ab6316ebc765a9df46eabb4501ab121af2
[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" "d0e237e76370964edc8788b6a8f469ab6316ebc765a9df46eabb4501ab121af2", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `print_blockwise`
[INFO] [stderr]    --> src/maze.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn print_blockwise(&self, free_char: char, wall_char: char) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Link` should have a snake case name
[INFO] [stderr]    --> src/maze.rs:224:7
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let Link: &mut Link = match direction {
[INFO] [stderr]     |             ^^^^ help: convert the identifier to snake case: `link`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maze-generator` (bin "maze-generator" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/maze_generator-955354a7e059b10c)
[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] running `Command { std: "docker" "inspect" "d0e237e76370964edc8788b6a8f469ab6316ebc765a9df46eabb4501ab121af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e237e76370964edc8788b6a8f469ab6316ebc765a9df46eabb4501ab121af2", kill_on_drop: false }`
[INFO] [stdout] d0e237e76370964edc8788b6a8f469ab6316ebc765a9df46eabb4501ab121af2