[INFO] fetching crate tailcall 0.1.4...
[INFO] testing tailcall-0.1.4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate tailcall 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tailcall 0.1.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tailcall 0.1.4
[INFO] finished tweaking crates.io crate tailcall 0.1.4
[INFO] tweaked toml for crates.io crate tailcall 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caaa8b108dbe9245aa4c9799cfe8457056c833adcda8ca847b3c624839dcd906
[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" "caaa8b108dbe9245aa4c9799cfe8457056c833adcda8ca847b3c624839dcd906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caaa8b108dbe9245aa4c9799cfe8457056c833adcda8ca847b3c624839dcd906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caaa8b108dbe9245aa4c9799cfe8457056c833adcda8ca847b3c624839dcd906", kill_on_drop: false }`
[INFO] [stdout] caaa8b108dbe9245aa4c9799cfe8457056c833adcda8ca847b3c624839dcd906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5fdcae85ae94b707c94d484353b74555df76506e15ec787c2e97d12e3689b22
[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" "c5fdcae85ae94b707c94d484353b74555df76506e15ec787c2e97d12e3689b22", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling tailcall-impl v0.1.4
[INFO] [stderr]    Compiling tailcall v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "c5fdcae85ae94b707c94d484353b74555df76506e15ec787c2e97d12e3689b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5fdcae85ae94b707c94d484353b74555df76506e15ec787c2e97d12e3689b22", kill_on_drop: false }`
[INFO] [stdout] c5fdcae85ae94b707c94d484353b74555df76506e15ec787c2e97d12e3689b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6f59de1cc86481b383ad713c94ffb7f91e3150f4a709a61984daa8ad1be559
[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" "9a6f59de1cc86481b383ad713c94ffb7f91e3150f4a709a61984daa8ad1be559", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailcall v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "9a6f59de1cc86481b383ad713c94ffb7f91e3150f4a709a61984daa8ad1be559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6f59de1cc86481b383ad713c94ffb7f91e3150f4a709a61984daa8ad1be559", kill_on_drop: false }`
[INFO] [stdout] 9a6f59de1cc86481b383ad713c94ffb7f91e3150f4a709a61984daa8ad1be559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f34bc805a019d107d1d8ee5c35dede5e914894c864af66fb4fc84f0166e0543
[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" "7f34bc805a019d107d1d8ee5c35dede5e914894c864af66fb4fc84f0166e0543", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tailcall-8f7bcb02245ac525
[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] [stderr]      Running /opt/rustwide/target/debug/deps/correctness-042f1472579c946b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_factorial_correctness ... ok
[INFO] [stdout] test test_memoized_factorial_correctness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stack_depth-9bb3098b29ed76d5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_tail_recusive_calls_do_not_result_in_new_stack_frames ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tailcall
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/trampoline.rs - trampoline (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f34bc805a019d107d1d8ee5c35dede5e914894c864af66fb4fc84f0166e0543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f34bc805a019d107d1d8ee5c35dede5e914894c864af66fb4fc84f0166e0543", kill_on_drop: false }`
[INFO] [stdout] 7f34bc805a019d107d1d8ee5c35dede5e914894c864af66fb4fc84f0166e0543
