[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlevesquedion%2Fstack_set" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlevesquedion/stack_set on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 638395b2bfe8ca169b44c73d89aaa84a8b0ce588771ba2b9fd573a32c430cc10
[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" "638395b2bfe8ca169b44c73d89aaa84a8b0ce588771ba2b9fd573a32c430cc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "638395b2bfe8ca169b44c73d89aaa84a8b0ce588771ba2b9fd573a32c430cc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638395b2bfe8ca169b44c73d89aaa84a8b0ce588771ba2b9fd573a32c430cc10", kill_on_drop: false }`
[INFO] [stdout] 638395b2bfe8ca169b44c73d89aaa84a8b0ce588771ba2b9fd573a32c430cc10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52722b3ee045b92946ebcf67b2075157ccab1e934651afabb18214c5dcbca268
[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" "52722b3ee045b92946ebcf67b2075157ccab1e934651afabb18214c5dcbca268", kill_on_drop: false }`
[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 1.28s
[INFO] running `Command { std: "docker" "inspect" "52722b3ee045b92946ebcf67b2075157ccab1e934651afabb18214c5dcbca268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52722b3ee045b92946ebcf67b2075157ccab1e934651afabb18214c5dcbca268", kill_on_drop: false }`
[INFO] [stdout] 52722b3ee045b92946ebcf67b2075157ccab1e934651afabb18214c5dcbca268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd7bc8ddfb61e522d2e6678985f1b95c4bff34c782c241dd2116b14ac3ac8874
[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" "bd7bc8ddfb61e522d2e6678985f1b95c4bff34c782c241dd2116b14ac3ac8874", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stack_set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "bd7bc8ddfb61e522d2e6678985f1b95c4bff34c782c241dd2116b14ac3ac8874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7bc8ddfb61e522d2e6678985f1b95c4bff34c782c241dd2116b14ac3ac8874", kill_on_drop: false }`
[INFO] [stdout] bd7bc8ddfb61e522d2e6678985f1b95c4bff34c782c241dd2116b14ac3ac8874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 057416f58895c18fd8f8b7588e077d9e67152aa235b4d840411ad478046af9f2
[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" "057416f58895c18fd8f8b7588e077d9e67152aa235b4d840411ad478046af9f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stack_set-d7a089b030cb0a1b
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::top_returns_last_element_that_was_added ... ok
[INFO] [stdout] test tests::stack_is_not_empty_after_push ... ok
[INFO] [stdout] test tests::pop_returns_and_removes_top_element ... ok
[INFO] [stdout] test tests::new_stack_is_empty ... ok
[INFO] [stdout] test tests::stack_contains_element_that_was_added ... 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::empty_stack_contains_nothing ... ok
[INFO] [stdout] test tests::cannot_pop_from_empty_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stack_set-52be84d93f61e98e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stack_set
[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] [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 `Command { std: "docker" "inspect" "057416f58895c18fd8f8b7588e077d9e67152aa235b4d840411ad478046af9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057416f58895c18fd8f8b7588e077d9e67152aa235b4d840411ad478046af9f2", kill_on_drop: false }`
[INFO] [stdout] 057416f58895c18fd8f8b7588e077d9e67152aa235b4d840411ad478046af9f2