[INFO] fetching crate fon 0.4.0...
[INFO] testing fon-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fon 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fon 0.4.0 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 fon 0.4.0
[INFO] finished tweaking crates.io crate fon 0.4.0
[INFO] tweaked toml for crates.io crate fon 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fon 0.4.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6b28650046ea2bfe3b6e0f45b0ee4b2a1755b50b39b96745b326d506783b04e6
[INFO] running `Command { std: "docker" "start" "-a" "6b28650046ea2bfe3b6e0f45b0ee4b2a1755b50b39b96745b326d506783b04e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b28650046ea2bfe3b6e0f45b0ee4b2a1755b50b39b96745b326d506783b04e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b28650046ea2bfe3b6e0f45b0ee4b2a1755b50b39b96745b326d506783b04e6", kill_on_drop: false }`
[INFO] [stdout] 6b28650046ea2bfe3b6e0f45b0ee4b2a1755b50b39b96745b326d506783b04e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5ec9d68588101088d1ebf2fd8d47e4cd50981bd9e9c4f55e5f4c1b8f1e93916c
[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" "5ec9d68588101088d1ebf2fd8d47e4cd50981bd9e9c4f55e5f4c1b8f1e93916c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "5ec9d68588101088d1ebf2fd8d47e4cd50981bd9e9c4f55e5f4c1b8f1e93916c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec9d68588101088d1ebf2fd8d47e4cd50981bd9e9c4f55e5f4c1b8f1e93916c", kill_on_drop: false }`
[INFO] [stdout] 5ec9d68588101088d1ebf2fd8d47e4cd50981bd9e9c4f55e5f4c1b8f1e93916c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 88542b459ffb477df8ee6b2a598ba309cf5a5f36b8d1d3dd75409f7217664ba9
[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" "88542b459ffb477df8ee6b2a598ba309cf5a5f36b8d1d3dd75409f7217664ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling fon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "88542b459ffb477df8ee6b2a598ba309cf5a5f36b8d1d3dd75409f7217664ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88542b459ffb477df8ee6b2a598ba309cf5a5f36b8d1d3dd75409f7217664ba9", kill_on_drop: false }`
[INFO] [stdout] 88542b459ffb477df8ee6b2a598ba309cf5a5f36b8d1d3dd75409f7217664ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d6ebd3e09c143f585ea484a271ac9a0804013a9032b94e164a72ce5ae4754fe1
[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" "d6ebd3e09c143f585ea484a271ac9a0804013a9032b94e164a72ce5ae4754fe1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fon-49da652e8ae7024a
[INFO] [stdout] running 14 tests
[INFO] [stdout] test chan::tests::ch16_arith ... ok
[INFO] [stdout] test chan::tests::ch32_arith ... ok
[INFO] [stdout] test chan::tests::ch32_roundtrip ... ok
[INFO] [stdout] test chan::tests::ch64_arith ... ok
[INFO] [stdout] test chan::tests::ch64_saturation ... ok
[INFO] [stdout] test chan::tests::ch8_arith ... ok
[INFO] [stdout] test chan::tests::ch8_saturation ... ok
[INFO] [stdout] test chan::tests::ch8_to_ch16 ... ok
[INFO] [stdout] test chan::tests::ch16_saturation ... ok
[INFO] [stdout] test chan::tests::ch16_to_ch8 ... ok
[INFO] [stdout] test chan::tests::channel_neg ... ok
[INFO] [stdout] test chan::tests::ch32_saturation ... ok
[INFO] [stdout] test chan::tests::ch16_roundtrip ... ok
[INFO] [stdout] test chan::tests::ch8_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fon
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6ebd3e09c143f585ea484a271ac9a0804013a9032b94e164a72ce5ae4754fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ebd3e09c143f585ea484a271ac9a0804013a9032b94e164a72ce5ae4754fe1", kill_on_drop: false }`
[INFO] [stdout] d6ebd3e09c143f585ea484a271ac9a0804013a9032b94e164a72ce5ae4754fe1