[INFO] cloning repository https://github.com/mlevesquedion/stack_set
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlevesquedion/stack_set" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlevesquedion%2Fstack_set", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlevesquedion%2Fstack_set'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13f767956d0fdb26ca60097bd4aa54a779356e85
[INFO] testing mlevesquedion/stack_set against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlevesquedion%2Fstack_set" "/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/mlevesquedion/stack_set on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mlevesquedion/stack_set
[INFO] finished tweaking git repo https://github.com/mlevesquedion/stack_set
[INFO] tweaked toml for git repo https://github.com/mlevesquedion/stack_set written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mlevesquedion/stack_set already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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 next_prime v0.1.1
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee24e33e5d9cd4a95ca654a6ff9852d8858b94c748158613ec613ed372b9980
[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" "0ee24e33e5d9cd4a95ca654a6ff9852d8858b94c748158613ec613ed372b9980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee24e33e5d9cd4a95ca654a6ff9852d8858b94c748158613ec613ed372b9980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee24e33e5d9cd4a95ca654a6ff9852d8858b94c748158613ec613ed372b9980", kill_on_drop: false }`
[INFO] [stdout] 0ee24e33e5d9cd4a95ca654a6ff9852d8858b94c748158613ec613ed372b9980
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", 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] bc59b687583521542d1514bebb5bfacbbe6b81999eca8099ed600ef050ca4e45
[INFO] running `Command { std: "docker" "start" "-a" "bc59b687583521542d1514bebb5bfacbbe6b81999eca8099ed600ef050ca4e45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling next_prime v0.1.1
[INFO] [stderr]    Compiling stack_set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "bc59b687583521542d1514bebb5bfacbbe6b81999eca8099ed600ef050ca4e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc59b687583521542d1514bebb5bfacbbe6b81999eca8099ed600ef050ca4e45", kill_on_drop: false }`
[INFO] [stdout] bc59b687583521542d1514bebb5bfacbbe6b81999eca8099ed600ef050ca4e45
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dbdc69a58053fb9bad8167273452ca912bcc7a3775f12b8336495f7b28c6782
[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" "2dbdc69a58053fb9bad8167273452ca912bcc7a3775f12b8336495f7b28c6782", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack_set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "2dbdc69a58053fb9bad8167273452ca912bcc7a3775f12b8336495f7b28c6782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbdc69a58053fb9bad8167273452ca912bcc7a3775f12b8336495f7b28c6782", kill_on_drop: false }`
[INFO] [stdout] 2dbdc69a58053fb9bad8167273452ca912bcc7a3775f12b8336495f7b28c6782
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 614d73e64a4a0f15a0b499199a9831a5206a0b6a626b15962051b59325828e9d
[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" "614d73e64a4a0f15a0b499199a9831a5206a0b6a626b15962051b59325828e9d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stack_set-b69647bec82e68e2)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::empty_stack_contains_nothing ... ok
[INFO] [stdout] test tests::pop_returns_and_removes_top_element ... ok
[INFO] [stdout] test tests::stack_contains_element_that_was_added ... ok
[INFO] [stdout] test tests::new_stack_is_empty ... ok
[INFO] [stdout] test tests::stack_does_not_contain_element_that_was_popped ... ok
[INFO] [stdout] test tests::stack_has_no_top_when_empty ... ok
[INFO] [stdout] test tests::top_returns_last_element_that_was_added ... ok
[INFO] [stdout] test tests::stack_is_not_empty_after_push ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stack_set-4c2fc8c3bebcf917)
[INFO] [stdout] test tests::cannot_pop_from_empty_stack - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stack_set
[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] [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" "614d73e64a4a0f15a0b499199a9831a5206a0b6a626b15962051b59325828e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614d73e64a4a0f15a0b499199a9831a5206a0b6a626b15962051b59325828e9d", kill_on_drop: false }`
[INFO] [stdout] 614d73e64a4a0f15a0b499199a9831a5206a0b6a626b15962051b59325828e9d