[INFO] fetching crate recur-fn 2.2.0...
[INFO] testing recur-fn-2.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate recur-fn 2.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate recur-fn 2.2.0 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 crates.io crate recur-fn 2.2.0
[INFO] finished tweaking crates.io crate recur-fn 2.2.0
[INFO] tweaked toml for crates.io crate recur-fn 2.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b77c1e53981b70e25f565b150aa1ecc55aec12bc25aa70430e59948ddb78ee53
[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" "b77c1e53981b70e25f565b150aa1ecc55aec12bc25aa70430e59948ddb78ee53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b77c1e53981b70e25f565b150aa1ecc55aec12bc25aa70430e59948ddb78ee53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77c1e53981b70e25f565b150aa1ecc55aec12bc25aa70430e59948ddb78ee53", kill_on_drop: false }`
[INFO] [stdout] b77c1e53981b70e25f565b150aa1ecc55aec12bc25aa70430e59948ddb78ee53
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 881949cdbc2ff9f695bc1dae5b0cee0955b496fd2dd758dff130436c41ddf58a
[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" "881949cdbc2ff9f695bc1dae5b0cee0955b496fd2dd758dff130436c41ddf58a", kill_on_drop: false }`
[INFO] [stderr]    Compiling recur-fn v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "881949cdbc2ff9f695bc1dae5b0cee0955b496fd2dd758dff130436c41ddf58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881949cdbc2ff9f695bc1dae5b0cee0955b496fd2dd758dff130436c41ddf58a", kill_on_drop: false }`
[INFO] [stdout] 881949cdbc2ff9f695bc1dae5b0cee0955b496fd2dd758dff130436c41ddf58a
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfcb20e3000a084ec3658543148a5702b5d2cee6a8d9f24614d478a3be40e092
[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" "bfcb20e3000a084ec3658543148a5702b5d2cee6a8d9f24614d478a3be40e092", kill_on_drop: false }`
[INFO] [stderr]    Compiling recur-fn v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "bfcb20e3000a084ec3658543148a5702b5d2cee6a8d9f24614d478a3be40e092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcb20e3000a084ec3658543148a5702b5d2cee6a8d9f24614d478a3be40e092", kill_on_drop: false }`
[INFO] [stdout] bfcb20e3000a084ec3658543148a5702b5d2cee6a8d9f24614d478a3be40e092
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 477f560b32dc49d288f2423b7689156edcdecb7743954a6398d09d658f2d7377
[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" "477f560b32dc49d288f2423b7689156edcdecb7743954a6398d09d658f2d7377", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/recur_fn-93db9b632e4371cd
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::fact_works ... ok
[INFO] [stdout] test tests::lifetime_works ... ok
[INFO] [stdout] test tests::dyn_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests recur-fn
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - recur_fn (line 279) ... ok
[INFO] [stdout] test src/lib.rs - (line 91) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - direct (line 219) ... ok
[INFO] [stdout] test src/lib.rs - from_pointer (line 173) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - recur_fn (line 250) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "477f560b32dc49d288f2423b7689156edcdecb7743954a6398d09d658f2d7377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477f560b32dc49d288f2423b7689156edcdecb7743954a6398d09d658f2d7377", kill_on_drop: false }`
[INFO] [stdout] 477f560b32dc49d288f2423b7689156edcdecb7743954a6398d09d658f2d7377