[INFO] cloning repository https://github.com/ygree/rust_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ygree/rust_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fygree%2Frust_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fygree%2Frust_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45f23c23ef3c1b360a02cb893a7cf784b2ec8fa9
[INFO] testing ygree/rust_examples against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fygree%2Frust_examples" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ygree/rust_examples 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/ygree/rust_examples
[INFO] finished tweaking git repo https://github.com/ygree/rust_examples
[INFO] tweaked toml for git repo https://github.com/ygree/rust_examples written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ygree/rust_examples 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f1a3c6c55d91193f3608cdc38804691c4a5f56228bbbb146ad7a80c9bb512f85
[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" "f1a3c6c55d91193f3608cdc38804691c4a5f56228bbbb146ad7a80c9bb512f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1a3c6c55d91193f3608cdc38804691c4a5f56228bbbb146ad7a80c9bb512f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a3c6c55d91193f3608cdc38804691c4a5f56228bbbb146ad7a80c9bb512f85", kill_on_drop: false }`
[INFO] [stdout] f1a3c6c55d91193f3608cdc38804691c4a5f56228bbbb146ad7a80c9bb512f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] cdc6a9a9eb4510741c24b241ea3080d98950354d1ea123d5fed3cf0865b5ddff
[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" "cdc6a9a9eb4510741c24b241ea3080d98950354d1ea123d5fed3cf0865b5ddff", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "cdc6a9a9eb4510741c24b241ea3080d98950354d1ea123d5fed3cf0865b5ddff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc6a9a9eb4510741c24b241ea3080d98950354d1ea123d5fed3cf0865b5ddff", kill_on_drop: false }`
[INFO] [stdout] cdc6a9a9eb4510741c24b241ea3080d98950354d1ea123d5fed3cf0865b5ddff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] c28996df9729a9cc34b4251858bf0c5a0b226da5f514c8ce8b7288399c164029
[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" "c28996df9729a9cc34b4251858bf0c5a0b226da5f514c8ce8b7288399c164029", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling quickcheck v0.6.0
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.30s
[INFO] running `Command { std: "docker" "inspect" "c28996df9729a9cc34b4251858bf0c5a0b226da5f514c8ce8b7288399c164029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28996df9729a9cc34b4251858bf0c5a0b226da5f514c8ce8b7288399c164029", kill_on_drop: false }`
[INFO] [stdout] c28996df9729a9cc34b4251858bf0c5a0b226da5f514c8ce8b7288399c164029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6eb64c0e575081a66957047feab85163966f65d3d4bcb5c9373de2f82b3449c
[INFO] running `Command { std: "docker" "start" "-a" "c6eb64c0e575081a66957047feab85163966f65d3d4bcb5c9373de2f82b3449c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/heap_sort-002719a6f1c741a3)
[INFO] [stdout] test tests::partent_right_child_loop ... ok
[INFO] [stdout] test tests::partent_left_child_loop ... ok
[INFO] [stdout] test tests::shift_down_cannot_change_heapified ... ok
[INFO] [stdout] test tests::parent_index_zero ... ok
[INFO] [stdout] test tests::up_heap_cannot_change_heapified ... ok
[INFO] [stdout] test tests::heapify_stable ... ok
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/insertion_sort-51d92ab4c7bc1052)
[INFO] [stdout] test tests::priority_queue_returns_elements_in_reverse_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quick_sort-85c9a3f373987c12)
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6eb64c0e575081a66957047feab85163966f65d3d4bcb5c9373de2f82b3449c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6eb64c0e575081a66957047feab85163966f65d3d4bcb5c9373de2f82b3449c", kill_on_drop: false }`
[INFO] [stdout] c6eb64c0e575081a66957047feab85163966f65d3d4bcb5c9373de2f82b3449c