[INFO] fetching crate postcard 0.5.1...
[INFO] testing postcard-0.5.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate postcard 0.5.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate postcard 0.5.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postcard 0.5.1
[INFO] finished tweaking crates.io crate postcard 0.5.1
[INFO] tweaked toml for crates.io crate postcard 0.5.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded postcard-cobs v0.1.5-pre
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56c076f4459f2c6a3322c2527a7dc0a0e866908d04bf4edd21ace0ba4ce360b2
[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" "56c076f4459f2c6a3322c2527a7dc0a0e866908d04bf4edd21ace0ba4ce360b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56c076f4459f2c6a3322c2527a7dc0a0e866908d04bf4edd21ace0ba4ce360b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c076f4459f2c6a3322c2527a7dc0a0e866908d04bf4edd21ace0ba4ce360b2", kill_on_drop: false }`
[INFO] [stdout] 56c076f4459f2c6a3322c2527a7dc0a0e866908d04bf4edd21ace0ba4ce360b2
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410091d82100b3c77d47f57ad523bfba65b7e76eec374bc727b67d051a1b28b6
[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" "410091d82100b3c77d47f57ad523bfba65b7e76eec374bc727b67d051a1b28b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling postcard v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.64s
[INFO] running `Command { std: "docker" "inspect" "410091d82100b3c77d47f57ad523bfba65b7e76eec374bc727b67d051a1b28b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410091d82100b3c77d47f57ad523bfba65b7e76eec374bc727b67d051a1b28b6", kill_on_drop: false }`
[INFO] [stdout] 410091d82100b3c77d47f57ad523bfba65b7e76eec374bc727b67d051a1b28b6
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b1d40220f406e7ad77f61a827ec5b4048d13e4552748f76bf96ab0b09aff5f4
[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" "6b1d40220f406e7ad77f61a827ec5b4048d13e4552748f76bf96ab0b09aff5f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "6b1d40220f406e7ad77f61a827ec5b4048d13e4552748f76bf96ab0b09aff5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1d40220f406e7ad77f61a827ec5b4048d13e4552748f76bf96ab0b09aff5f4", kill_on_drop: false }`
[INFO] [stdout] 6b1d40220f406e7ad77f61a827ec5b4048d13e4552748f76bf96ab0b09aff5f4
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d2adab800e42317ecad15102730b9dc143eca89eb82700ed72f637091ca3b03
[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" "2d2adab800e42317ecad15102730b9dc143eca89eb82700ed72f637091ca3b03", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/postcard-58319389f0c8d780
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test de::test_heapless::bytes ... ok
[INFO] [stdout] test de::test_heapless::cobs_test ... ok
[INFO] [stdout] test de::test_heapless::de_u16 ... ok
[INFO] [stdout] test de::test_heapless::de_struct_unsigned ... ok
[INFO] [stdout] test de::test_heapless::de_byte_slice ... ok
[INFO] [stdout] test de::test_heapless::de_u32 ... ok
[INFO] [stdout] test de::test_heapless::de_u64 ... ok
[INFO] [stdout] test de::test_heapless::de_u8 ... ok
[INFO] [stdout] test de::test_heapless::enums ... ok
[INFO] [stdout] test de::test_heapless::de_str ... ok
[INFO] [stdout] test ser::test::ser_str ... ok
[INFO] [stdout] test ser::test::ser_u8 ... ok
[INFO] [stdout] test ser::test::ser_u64 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loopback-85a42a73c00b2096
[INFO] [stdout] test de::test_heapless::heapless_data ... ok
[INFO] [stdout] test ser::test::ref_struct ... ok
[INFO] [stdout] test de::test_heapless::unit ... ok
[INFO] [stdout] test ser::test::bytes ... ok
[INFO] [stdout] test de::test_heapless::ref_struct ... ok
[INFO] [stdout] test de::test_heapless::tuples ... ok
[INFO] [stdout] test ser::test::ser_u16 ... ok
[INFO] [stdout] test de::test_heapless::structs ... ok
[INFO] [stdout] test ser::test::cobs_test ... ok
[INFO] [stdout] test ser::test::ser_struct_unsigned ... ok
[INFO] [stdout] test ser::test::ser_u32 ... ok
[INFO] [stdout] test ser::test::heapless_data ... ok
[INFO] [stdout] test ser::test::enums ... ok
[INFO] [stdout] test ser::test::unit ... ok
[INFO] [stdout] test ser::test::usize_varint_encode ... ok
[INFO] [stdout] test ser::test::structs ... ok
[INFO] [stdout] test ser::test::ser_byte_slice ... ok
[INFO] [stdout] test ser::test::tuples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests postcard
[INFO] [stdout] test loopback ... 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 10 tests
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec (line 139) ... ok
[INFO] [stdout] test src/ser/flavors.rs - ser::flavors (line 33) ... ok
[INFO] [stdout] test src/ser/flavors.rs - ser::flavors (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 125) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec_cobs (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::serialize_with_flavor (line 271) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice (line 73) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice_cobs (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d2adab800e42317ecad15102730b9dc143eca89eb82700ed72f637091ca3b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2adab800e42317ecad15102730b9dc143eca89eb82700ed72f637091ca3b03", kill_on_drop: false }`
[INFO] [stdout] 2d2adab800e42317ecad15102730b9dc143eca89eb82700ed72f637091ca3b03