[INFO] fetching crate fon 0.5.0...
[INFO] testing fon-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fon 0.5.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate fon 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fon 0.5.0
[INFO] finished tweaking crates.io crate fon 0.5.0
[INFO] tweaked toml for crates.io crate fon 0.5.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate crates.io crate fon 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44f25e792a7643f0b23ea127e7321552a93455a72a9234bfe1f7616d85c19cf0
[INFO] running `Command { std: "docker" "start" "-a" "44f25e792a7643f0b23ea127e7321552a93455a72a9234bfe1f7616d85c19cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44f25e792a7643f0b23ea127e7321552a93455a72a9234bfe1f7616d85c19cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f25e792a7643f0b23ea127e7321552a93455a72a9234bfe1f7616d85c19cf0", kill_on_drop: false }`
[INFO] [stdout] 44f25e792a7643f0b23ea127e7321552a93455a72a9234bfe1f7616d85c19cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c52d7e8a418563f730b505fa346ff9447642a108a0481a283e6ba90d7836ceb1
[INFO] running `Command { std: "docker" "start" "-a" "c52d7e8a418563f730b505fa346ff9447642a108a0481a283e6ba90d7836ceb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fon v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "c52d7e8a418563f730b505fa346ff9447642a108a0481a283e6ba90d7836ceb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c52d7e8a418563f730b505fa346ff9447642a108a0481a283e6ba90d7836ceb1", kill_on_drop: false }`
[INFO] [stdout] c52d7e8a418563f730b505fa346ff9447642a108a0481a283e6ba90d7836ceb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c90c3fd481da06c8bc01c5e2c464ad31b356be633b59b384c6ad4b445771817d
[INFO] running `Command { std: "docker" "start" "-a" "c90c3fd481da06c8bc01c5e2c464ad31b356be633b59b384c6ad4b445771817d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fon v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "c90c3fd481da06c8bc01c5e2c464ad31b356be633b59b384c6ad4b445771817d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90c3fd481da06c8bc01c5e2c464ad31b356be633b59b384c6ad4b445771817d", kill_on_drop: false }`
[INFO] [stdout] c90c3fd481da06c8bc01c5e2c464ad31b356be633b59b384c6ad4b445771817d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45d5b64afc05c104e6e8bf2d0703b143b2c04856669d6cf804cf975a95e61572
[INFO] running `Command { std: "docker" "start" "-a" "45d5b64afc05c104e6e8bf2d0703b143b2c04856669d6cf804cf975a95e61572", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fon-63a7ee4f1fc7093c)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test chan::tests::ch16_arith ... ok
[INFO] [stdout] test chan::tests::ch16_saturation ... ok
[INFO] [stdout] test chan::tests::ch16_to_ch8 ... ok
[INFO] [stdout] test chan::tests::ch32_arith ... ok
[INFO] [stdout] test chan::tests::ch16_roundtrip ... ok
[INFO] [stdout] test chan::tests::ch32_roundtrip ... ok
[INFO] [stdout] test chan::tests::ch32_saturation ... 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_roundtrip ... ok
[INFO] [stdout] test chan::tests::ch8_saturation ... ok
[INFO] [stdout] test chan::tests::ch8_to_ch16 ... ok
[INFO] [stderr]    Doc-tests fon
[INFO] [stdout] test chan::tests::channel_neg ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45d5b64afc05c104e6e8bf2d0703b143b2c04856669d6cf804cf975a95e61572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d5b64afc05c104e6e8bf2d0703b143b2c04856669d6cf804cf975a95e61572", kill_on_drop: false }`
[INFO] [stdout] 45d5b64afc05c104e6e8bf2d0703b143b2c04856669d6cf804cf975a95e61572