[INFO] fetching crate session_types 0.3.1...
[INFO] testing session_types-0.3.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate session_types 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate session_types 0.3.1 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 session_types 0.3.1
[INFO] finished tweaking crates.io crate session_types 0.3.1
[INFO] tweaked toml for crates.io crate session_types 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 rustfix v0.4.6
[INFO] [stderr]   Downloaded compiletest_rs v0.3.26
[INFO] [stderr]   Downloaded tester v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab5f8f3f5b7f6b406b931838830b4b53161690046c8caca31dd348c443510f6e
[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" "ab5f8f3f5b7f6b406b931838830b4b53161690046c8caca31dd348c443510f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5f8f3f5b7f6b406b931838830b4b53161690046c8caca31dd348c443510f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5f8f3f5b7f6b406b931838830b4b53161690046c8caca31dd348c443510f6e", kill_on_drop: false }`
[INFO] [stdout] ab5f8f3f5b7f6b406b931838830b4b53161690046c8caca31dd348c443510f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "build" "--frozen" "--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] a4d7a8c4696fddf67fb0f531fc234ceadd0ef48b2e951778608198009eb86a0b
[INFO] running `Command { std: "docker" "start" "-a" "a4d7a8c4696fddf67fb0f531fc234ceadd0ef48b2e951778608198009eb86a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling session_types v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "a4d7a8c4696fddf67fb0f531fc234ceadd0ef48b2e951778608198009eb86a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d7a8c4696fddf67fb0f531fc234ceadd0ef48b2e951778608198009eb86a0b", kill_on_drop: false }`
[INFO] [stdout] a4d7a8c4696fddf67fb0f531fc234ceadd0ef48b2e951778608198009eb86a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6205838d1b9142608f191be62ef734def6dd401d5e1baa3f1238e208b16564d4
[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" "6205838d1b9142608f191be62ef734def6dd401d5e1baa3f1238e208b16564d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling compiletest_rs v0.3.26
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tester v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling rustfix v0.4.6
[INFO] [stderr]    Compiling session_types v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.93s
[INFO] running `Command { std: "docker" "inspect" "6205838d1b9142608f191be62ef734def6dd401d5e1baa3f1238e208b16564d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6205838d1b9142608f191be62ef734def6dd401d5e1baa3f1238e208b16564d4", kill_on_drop: false }`
[INFO] [stdout] 6205838d1b9142608f191be62ef734def6dd401d5e1baa3f1238e208b16564d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b670082603b0f08d6cfb9c0f9579df40b817d5ba9fd7b9b662e6b1a5a8c77a53
[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" "b670082603b0f08d6cfb9c0f9579df40b817d5ba9fd7b9b662e6b1a5a8c77a53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/session_types-af8a165a5255631c
[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/chan_select-fb37dcd70bf8422a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test chan_select_simple ... ok
[INFO] [stdout] test chan_select_hselect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/drop_server-757a31708f54a90b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test server_client_works ... ok
[INFO] [stderr] thread panicked while panicking. aborting.
[INFO] [stdout] test client_incomplete_panics ... ok
[INFO] [stdout] test server_client_incomplete_panics ... ok
[INFO] [stderr] error: test failed, to rerun pass '--test drop_server'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/drop_server-757a31708f54a90b` (signal: 4, SIGILL: illegal instruction)
[INFO] running `Command { std: "docker" "inspect" "b670082603b0f08d6cfb9c0f9579df40b817d5ba9fd7b9b662e6b1a5a8c77a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b670082603b0f08d6cfb9c0f9579df40b817d5ba9fd7b9b662e6b1a5a8c77a53", kill_on_drop: false }`
[INFO] [stdout] b670082603b0f08d6cfb9c0f9579df40b817d5ba9fd7b9b662e6b1a5a8c77a53