[INFO] fetching crate mpstthree 0.0.2...
[INFO] testing mpstthree-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mpstthree 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mpstthree 0.0.2 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 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-3/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04782c3c8eeabd65cba9dd8449cc21bb5b595e16f0b0b7f699dc12374d01ce8
[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" "f04782c3c8eeabd65cba9dd8449cc21bb5b595e16f0b0b7f699dc12374d01ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04782c3c8eeabd65cba9dd8449cc21bb5b595e16f0b0b7f699dc12374d01ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04782c3c8eeabd65cba9dd8449cc21bb5b595e16f0b0b7f699dc12374d01ce8", kill_on_drop: false }`
[INFO] [stdout] f04782c3c8eeabd65cba9dd8449cc21bb5b595e16f0b0b7f699dc12374d01ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c73a752309791254c1405c94954c55e83754c9a0076deb0536bbfbbd2079d3c
[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" "6c73a752309791254c1405c94954c55e83754c9a0076deb0536bbfbbd2079d3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling mpstthree v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "6c73a752309791254c1405c94954c55e83754c9a0076deb0536bbfbbd2079d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c73a752309791254c1405c94954c55e83754c9a0076deb0536bbfbbd2079d3c", kill_on_drop: false }`
[INFO] [stdout] 6c73a752309791254c1405c94954c55e83754c9a0076deb0536bbfbbd2079d3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 9025b623fe8b84d54fdbb753e7f40a3a4b612f1398559ee302ecec39176f7795
[INFO] running `Command { std: "docker" "start" "-a" "9025b623fe8b84d54fdbb753e7f40a3a4b612f1398559ee302ecec39176f7795", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[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 serde_json v1.0.57
[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 56.89s
[INFO] running `Command { std: "docker" "inspect" "9025b623fe8b84d54fdbb753e7f40a3a4b612f1398559ee302ecec39176f7795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9025b623fe8b84d54fdbb753e7f40a3a4b612f1398559ee302ecec39176f7795", kill_on_drop: false }`
[INFO] [stdout] 9025b623fe8b84d54fdbb753e7f40a3a4b612f1398559ee302ecec39176f7795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen", 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] 0807ff385cb5f2a1c681f3f08c9d49001105c77d53fe017971a7ec34da2d81d7
[INFO] running `Command { std: "docker" "start" "-a" "0807ff385cb5f2a1c681f3f08c9d49001105c77d53fe017971a7ec34da2d81d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpstthree-3df2b3a216589d5f
[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/mpst-3ccb4252bbc63c3c
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/00_binary-240ff1f58388c7de
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test nice_calc_works ... ok
[INFO] [stdout] test closure_works ... ok
[INFO] [stdout] test cancel_recv_works ... ok
[INFO] [stdout] test cancel_send_works ... ok
[INFO] [stdout] test delegation_works ... ok
[INFO] [stdout] test ping_works ... ok
[INFO] [stdout] test simple_calc_works ... ok
[INFO] [stdout] test recursion_works ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/01_simple-895625e4df065d47
[INFO] [stdout] test selection_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_triple_endpoints_checker ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/02_choose-5e2d5d7c9713234b
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_choice_checker ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/03_choose_2-24cc65f059b0d15a
[INFO] [stdout] test simple_choice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test double_choice_checker ... ok
[INFO] [stdout] test double_choice ... 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/04_nested_choices-c9b1f39cfaf7218c
[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/05_usecase-449498c41691ae1e
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test run_usecase_checker ... ok
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/06_usecase_recursive-5b3e62b1973db89d
[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-12516f625c627eef
[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
[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-37e7759d23b6997e
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test run_usecase_left ... ok
[INFO] [stdout] test run_usecase_right ... 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/09_macro_recursive-15e6593d251f9f77
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/10_macro_sessionmpst-d69a795de07a6342
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/checker-e286d99ce77a0695
[INFO] [stdout] test basic_macros ... ok
[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 1 test
[INFO] [stdout] test test_checker ... ok
[INFO] [stderr]    Doc-tests mpstthree
[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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0807ff385cb5f2a1c681f3f08c9d49001105c77d53fe017971a7ec34da2d81d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0807ff385cb5f2a1c681f3f08c9d49001105c77d53fe017971a7ec34da2d81d7", kill_on_drop: false }`
[INFO] [stdout] 0807ff385cb5f2a1c681f3f08c9d49001105c77d53fe017971a7ec34da2d81d7