[INFO] fetching crate mpstthree 0.0.2...
[INFO] testing mpstthree-0.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mpstthree 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mpstthree 0.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpstthree 0.0.2
[INFO] finished tweaking crates.io crate mpstthree 0.0.2
[INFO] tweaked toml for crates.io crate mpstthree 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mpstthree 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.8.1
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 957da28928aa310987a34d8d4f9bce7ca88adfc17271d4b294e4b916077fe1f5
[INFO] running `Command { std: "docker" "start" "-a" "957da28928aa310987a34d8d4f9bce7ca88adfc17271d4b294e4b916077fe1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "957da28928aa310987a34d8d4f9bce7ca88adfc17271d4b294e4b916077fe1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957da28928aa310987a34d8d4f9bce7ca88adfc17271d4b294e4b916077fe1f5", kill_on_drop: false }`
[INFO] [stdout] 957da28928aa310987a34d8d4f9bce7ca88adfc17271d4b294e4b916077fe1f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d9a46fb4af6ccd6cfd0c8bb0c45e223fb5a5e319c890d6d282da8bf9107042f
[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" "7d9a46fb4af6ccd6cfd0c8bb0c45e223fb5a5e319c890d6d282da8bf9107042f", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mpstthree v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "7d9a46fb4af6ccd6cfd0c8bb0c45e223fb5a5e319c890d6d282da8bf9107042f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9a46fb4af6ccd6cfd0c8bb0c45e223fb5a5e319c890d6d282da8bf9107042f", kill_on_drop: false }`
[INFO] [stdout] 7d9a46fb4af6ccd6cfd0c8bb0c45e223fb5a5e319c890d6d282da8bf9107042f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeea8d98e52e088c8d670173acc0547629c17a1261e7f570d42981a1471511cc
[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" "eeea8d98e52e088c8d670173acc0547629c17a1261e7f570d42981a1471511cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling mpstthree v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 53.09s
[INFO] running `Command { std: "docker" "inspect" "eeea8d98e52e088c8d670173acc0547629c17a1261e7f570d42981a1471511cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeea8d98e52e088c8d670173acc0547629c17a1261e7f570d42981a1471511cc", kill_on_drop: false }`
[INFO] [stdout] eeea8d98e52e088c8d670173acc0547629c17a1261e7f570d42981a1471511cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4b4b33b82617e6cb69085f940ef04f934255f4ef3e7539c26cb4cc094ccc7fe
[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" "a4b4b33b82617e6cb69085f940ef04f934255f4ef3e7539c26cb4cc094ccc7fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpstthree-7ab1edbb5627afe0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpst-c516287f2ff28aa3
[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] [stderr]      Running /opt/rustwide/target/debug/deps/00_binary-d6d0084ada560693
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ping_works ... ok
[INFO] [stdout] test delegation_works ... ok
[INFO] [stdout] test cancel_recv_works ... ok
[INFO] [stdout] test nice_calc_works ... ok
[INFO] [stdout] test closure_works ... ok
[INFO] [stdout] test simple_calc_works ... ok
[INFO] [stdout] test cancel_send_works ... ok
[INFO] [stdout] test recursion_works ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/01_simple-30e6393a3c0b3d22
[INFO] [stdout] test selection_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_triple_endpoints_checker ... ok
[INFO] [stdout] test simple_triple_endpoints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/02_choose-82bf0b87f15389c0
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_choice_checker ... ok
[INFO] [stdout] test simple_choice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/03_choose_2-28ba402aed307a33
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test double_choice_checker ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/04_nested_choices-b42d6b4043c144dc
[INFO] [stdout] test double_choice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/05_usecase-77c03d8309bd28f6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test run_usecase_checker ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/06_usecase_recursive-ea745d7eaaad27c6
[INFO] [stdout] test run_usecase_left ... ok
[INFO] [stdout] test run_usecase_right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test run_usecase_recursive_checker ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/07_macro_basics-c5bb2c80c227ddfb
[INFO] [stdout] test run_usecase_recursive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test basic_macros_recv ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/08_macro_choice-b5ced4647bede948
[INFO] [stdout] test basic_macros_send ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test run_usecase_right ... ok
[INFO] [stdout] test run_usecase_left ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/09_macro_recursive-c711de11e2f80823
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/10_macro_sessionmpst-1318b60592f8d2c9
[INFO] [stdout] test run_macro_recursive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_macros ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/checker-ce26b2ea71e0e09e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_checker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mpstthree
[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" "a4b4b33b82617e6cb69085f940ef04f934255f4ef3e7539c26cb4cc094ccc7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b4b33b82617e6cb69085f940ef04f934255f4ef3e7539c26cb4cc094ccc7fe", kill_on_drop: false }`
[INFO] [stdout] a4b4b33b82617e6cb69085f940ef04f934255f4ef3e7539c26cb4cc094ccc7fe