[INFO] fetching crate arc_new_cyclic_n 1.0.2...
[INFO] testing arc_new_cyclic_n-1.0.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate arc_new_cyclic_n 1.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arc_new_cyclic_n 1.0.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc_new_cyclic_n 1.0.2
[INFO] finished tweaking crates.io crate arc_new_cyclic_n 1.0.2
[INFO] tweaked toml for crates.io crate arc_new_cyclic_n 1.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a8cc7a1d94aa73ca8f8915e75165a9652f5f6885603f5e0921214b89bff1cf
[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" "d6a8cc7a1d94aa73ca8f8915e75165a9652f5f6885603f5e0921214b89bff1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a8cc7a1d94aa73ca8f8915e75165a9652f5f6885603f5e0921214b89bff1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a8cc7a1d94aa73ca8f8915e75165a9652f5f6885603f5e0921214b89bff1cf", kill_on_drop: false }`
[INFO] [stdout] d6a8cc7a1d94aa73ca8f8915e75165a9652f5f6885603f5e0921214b89bff1cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64ee2b7914553d5affbe475532b6298cc5bba76f590a8eafdf37c570b59be1d
[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" "a64ee2b7914553d5affbe475532b6298cc5bba76f590a8eafdf37c570b59be1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc_new_cyclic_n v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "a64ee2b7914553d5affbe475532b6298cc5bba76f590a8eafdf37c570b59be1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64ee2b7914553d5affbe475532b6298cc5bba76f590a8eafdf37c570b59be1d", kill_on_drop: false }`
[INFO] [stdout] a64ee2b7914553d5affbe475532b6298cc5bba76f590a8eafdf37c570b59be1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39f28dc75d85338f94547f0e8e02174f82bb08c3ee1562d15018a75bedc6c164
[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" "39f28dc75d85338f94547f0e8e02174f82bb08c3ee1562d15018a75bedc6c164", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc_new_cyclic_n v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "39f28dc75d85338f94547f0e8e02174f82bb08c3ee1562d15018a75bedc6c164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f28dc75d85338f94547f0e8e02174f82bb08c3ee1562d15018a75bedc6c164", kill_on_drop: false }`
[INFO] [stdout] 39f28dc75d85338f94547f0e8e02174f82bb08c3ee1562d15018a75bedc6c164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21a4193ba31a63ab8662b49929c3f58bb3cccd9846ae7e4032b7e392448fdfd9
[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" "21a4193ba31a63ab8662b49929c3f58bb3cccd9846ae7e4032b7e392448fdfd9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arc_new_cyclic_n-57a9242a28e7bcb7)
[INFO] [stdout] test tests::arc_new_cyclic_2_deferred_upgrades_fail ... ok
[INFO] [stdout] test tests::arc_new_cyclic_2_immediate_upgrades_fail ... ok
[INFO] [stdout] test tests::arc_new_cyclic_3_deferred_upgrades ... ok
[INFO] [stdout] test tests::arc_new_cyclic_3_immediate_dereferences_pass ... ok
[INFO] [stdout] test tests::arc_new_cyclic_3_immediate_upgrades_fail ... ok
[INFO] [stdout] test tests::arc_new_cyclic_2_immediate_dereferences_pass ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arc_new_cyclic_n
[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" "21a4193ba31a63ab8662b49929c3f58bb3cccd9846ae7e4032b7e392448fdfd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a4193ba31a63ab8662b49929c3f58bb3cccd9846ae7e4032b7e392448fdfd9", kill_on_drop: false }`
[INFO] [stdout] 21a4193ba31a63ab8662b49929c3f58bb3cccd9846ae7e4032b7e392448fdfd9