[INFO] crate tailcall 0.1.4 is already in cache
[INFO] testing tailcall-0.1.4 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate tailcall 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tailcall 0.1.4 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 554244f869504d8678c1fc6522b96533fe54f15cf5031261bd0f70798fc24416
[INFO] running `"docker" "start" "-a" "554244f869504d8678c1fc6522b96533fe54f15cf5031261bd0f70798fc24416"`
[INFO] [stderr]    Compiling syn v1.0.17
[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 22.43s
[INFO] running `"docker" "inspect" "554244f869504d8678c1fc6522b96533fe54f15cf5031261bd0f70798fc24416"`
[INFO] running `"docker" "rm" "-f" "554244f869504d8678c1fc6522b96533fe54f15cf5031261bd0f70798fc24416"`
[INFO] [stdout] 554244f869504d8678c1fc6522b96533fe54f15cf5031261bd0f70798fc24416
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c432ded1c017b5340720b54844e49eb932115efd9031cf3e27ef08808dd6a84
[INFO] running `"docker" "start" "-a" "4c432ded1c017b5340720b54844e49eb932115efd9031cf3e27ef08808dd6a84"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling tailcall v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `"docker" "inspect" "4c432ded1c017b5340720b54844e49eb932115efd9031cf3e27ef08808dd6a84"`
[INFO] running `"docker" "rm" "-f" "4c432ded1c017b5340720b54844e49eb932115efd9031cf3e27ef08808dd6a84"`
[INFO] [stdout] 4c432ded1c017b5340720b54844e49eb932115efd9031cf3e27ef08808dd6a84
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 057eccc075388c3624185597db90d8d75255b547c929a4807d8a0f49f9149122
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "057eccc075388c3624185597db90d8d75255b547c929a4807d8a0f49f9149122"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tailcall-c91a927909bc8bd8
[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-ef203818bc7ae75b
[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-551d69f60b7c6e06
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_tail_recusive_calls_do_not_result_in_new_stack_frames ... ok
[INFO] [stderr]    Doc-tests tailcall
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 40) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/trampoline.rs - trampoline (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "057eccc075388c3624185597db90d8d75255b547c929a4807d8a0f49f9149122"`
[INFO] running `"docker" "rm" "-f" "057eccc075388c3624185597db90d8d75255b547c929a4807d8a0f49f9149122"`
[INFO] [stdout] 057eccc075388c3624185597db90d8d75255b547c929a4807d8a0f49f9149122