[INFO] cloning repository https://github.com/1000teslas/tree_traversal [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1000teslas/tree_traversal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1000teslas%2Ftree_traversal", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1000teslas%2Ftree_traversal'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2558f69dd7e1e3e5041c010976e999b5c83cab7f [INFO] testing 1000teslas/tree_traversal/2558f69dd7e1e3e5041c010976e999b5c83cab7f against 1.82.0 for beta-1.83-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1000teslas%2Ftree_traversal" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/1000teslas/tree_traversal on toolchain 1.82.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.82.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/1000teslas/tree_traversal [INFO] finished tweaking git repo https://github.com/1000teslas/tree_traversal [INFO] tweaked toml for git repo https://github.com/1000teslas/tree_traversal written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/1000teslas/tree_traversal already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.82.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a643bf2f427bdac9374ce9965fafb022e77dda22da2e2b2f1f78e08fca4d938 [INFO] running `Command { std: "docker" "start" "-a" "6a643bf2f427bdac9374ce9965fafb022e77dda22da2e2b2f1f78e08fca4d938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a643bf2f427bdac9374ce9965fafb022e77dda22da2e2b2f1f78e08fca4d938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a643bf2f427bdac9374ce9965fafb022e77dda22da2e2b2f1f78e08fca4d938", kill_on_drop: false }` [INFO] [stdout] 6a643bf2f427bdac9374ce9965fafb022e77dda22da2e2b2f1f78e08fca4d938 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f86861d607bff806179372a62964551379a61ccbc982e5cc681b3da85e079456 [INFO] running `Command { std: "docker" "start" "-a" "f86861d607bff806179372a62964551379a61ccbc982e5cc681b3da85e079456", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling tree_traversal v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "f86861d607bff806179372a62964551379a61ccbc982e5cc681b3da85e079456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f86861d607bff806179372a62964551379a61ccbc982e5cc681b3da85e079456", kill_on_drop: false }` [INFO] [stdout] f86861d607bff806179372a62964551379a61ccbc982e5cc681b3da85e079456 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e2e02b8a5fe7eb63451581d090bf6d03f129c3c8226f1433267a76498bd6604 [INFO] running `Command { std: "docker" "start" "-a" "7e2e02b8a5fe7eb63451581d090bf6d03f129c3c8226f1433267a76498bd6604", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling quickcheck v0.9.2 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Compiling tree_traversal v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.52s [INFO] running `Command { std: "docker" "inspect" "7e2e02b8a5fe7eb63451581d090bf6d03f129c3c8226f1433267a76498bd6604", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e2e02b8a5fe7eb63451581d090bf6d03f129c3c8226f1433267a76498bd6604", kill_on_drop: false }` [INFO] [stdout] 7e2e02b8a5fe7eb63451581d090bf6d03f129c3c8226f1433267a76498bd6604 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6720125ea962fa5bad11897ad96fb5fcbc810628843991f6a34ad62f720cbb38 [INFO] running `Command { std: "docker" "start" "-a" "6720125ea962fa5bad11897ad96fb5fcbc810628843991f6a34ad62f720cbb38", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_traversal-283400e660c1a2b7) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test::test_1 ... ok [INFO] [stdout] test test::test_2 ... ok [INFO] [stdout] test test::test_4 ... ok [INFO] [stdout] test test::test_3 ... ok [INFO] [stdout] test test::test_traverse ... ok [INFO] [stdout] test test::test_stack_to_queue ... ok [INFO] [stderr] [INFO] [stderr] thread 'test::test_bf_traverse' has overflowed its stack [INFO] [stderr] fatal runtime error: stack overflow [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/tree_traversal-283400e660c1a2b7` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "6720125ea962fa5bad11897ad96fb5fcbc810628843991f6a34ad62f720cbb38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6720125ea962fa5bad11897ad96fb5fcbc810628843991f6a34ad62f720cbb38", kill_on_drop: false }` [INFO] [stdout] 6720125ea962fa5bad11897ad96fb5fcbc810628843991f6a34ad62f720cbb38