[INFO] fetching crate postcard 0.7.0...
[INFO] testing postcard-0.7.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate postcard 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate postcard 0.7.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postcard 0.7.0
[INFO] finished tweaking crates.io crate postcard 0.7.0
[INFO] tweaked toml for crates.io crate postcard 0.7.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.2
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded embedded-hal v0.2.5
[INFO] [stderr]   Downloaded heapless v0.7.3
[INFO] [stderr]   Downloaded postcard-cobs v0.1.5-pre
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] f85d2cf455c7ad93a1fb2a5383103029d7b1a31572cbd38a8dfe7663cecdebc6
[INFO] running `Command { std: "docker" "start" "-a" "f85d2cf455c7ad93a1fb2a5383103029d7b1a31572cbd38a8dfe7663cecdebc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f85d2cf455c7ad93a1fb2a5383103029d7b1a31572cbd38a8dfe7663cecdebc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85d2cf455c7ad93a1fb2a5383103029d7b1a31572cbd38a8dfe7663cecdebc6", kill_on_drop: false }`
[INFO] [stdout] f85d2cf455c7ad93a1fb2a5383103029d7b1a31572cbd38a8dfe7663cecdebc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 6b7a491eba3fd52b8f0d0329002200666aeb5fe808693481cf3d471d72810f85
[INFO] running `Command { std: "docker" "start" "-a" "6b7a491eba3fd52b8f0d0329002200666aeb5fe808693481cf3d471d72810f85", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling heapless v0.7.3
[INFO] [stderr]    Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling postcard v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.34s
[INFO] running `Command { std: "docker" "inspect" "6b7a491eba3fd52b8f0d0329002200666aeb5fe808693481cf3d471d72810f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7a491eba3fd52b8f0d0329002200666aeb5fe808693481cf3d471d72810f85", kill_on_drop: false }`
[INFO] [stdout] 6b7a491eba3fd52b8f0d0329002200666aeb5fe808693481cf3d471d72810f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 278985f3d5d69021d16b1ce9c681c17b8a46f3e7737b670a0acde0e208e76e27
[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" "278985f3d5d69021d16b1ce9c681c17b8a46f3e7737b670a0acde0e208e76e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "278985f3d5d69021d16b1ce9c681c17b8a46f3e7737b670a0acde0e208e76e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278985f3d5d69021d16b1ce9c681c17b8a46f3e7737b670a0acde0e208e76e27", kill_on_drop: false }`
[INFO] [stdout] 278985f3d5d69021d16b1ce9c681c17b8a46f3e7737b670a0acde0e208e76e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d47ea232beebaa5d50e4537e1972d5194e48216c805109eb7a3e165e25160ac
[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" "5d47ea232beebaa5d50e4537e1972d5194e48216c805109eb7a3e165e25160ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/postcard-7c12db02f75ecfad)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test de::test_heapless::de_u32 ... ok
[INFO] [stdout] test de::test_heapless::enums ... ok
[INFO] [stdout] test de::test_heapless::cobs_test ... ok
[INFO] [stdout] test de::test_heapless::de_str ... ok
[INFO] [stdout] test de::test_heapless::de_u16 ... ok
[INFO] [stdout] test de::test_heapless::de_u64 ... ok
[INFO] [stdout] test de::test_heapless::de_struct_unsigned ... ok
[INFO] [stdout] test ser::test::bytes ... ok
[INFO] [stdout] test de::test_heapless::unit ... ok
[INFO] [stdout] test ser::test::cobs_test ... ok
[INFO] [stdout] test ser::test::enums ... ok
[INFO] [stdout] test ser::test::ref_struct ... ok
[INFO] [stdout] test ser::test::heapless_data ... ok
[INFO] [stdout] test ser::test::ser_byte_slice ... ok
[INFO] [stdout] test ser::test::ser_str ... ok
[INFO] [stdout] test ser::test::ser_u16 ... ok
[INFO] [stdout] test ser::test::ser_u64 ... ok
[INFO] [stdout] test ser::test::ser_u32 ... ok
[INFO] [stdout] test ser::test::ser_struct_unsigned ... ok
[INFO] [stdout] test ser::test::ser_u128 ... ok
[INFO] [stdout] test de::test_heapless::structs ... ok
[INFO] [stdout] test de::test_heapless::tuples ... ok
[INFO] [stdout] test de::test_heapless::ref_struct ... ok
[INFO] [stdout] test de::test_heapless::de_u8 ... ok
[INFO] [stdout] test de::test_heapless::de_u128 ... ok
[INFO] [stdout] test de::test_heapless::bytes ... ok
[INFO] [stdout] test de::test_heapless::heapless_data ... ok
[INFO] [stdout] test de::test_heapless::chars ... ok
[INFO] [stdout] test de::test_heapless::de_byte_slice ... ok
[INFO] [stdout] test ser::test::tuples ... ok
[INFO] [stdout] test ser::test::usize_varint_encode ... ok
[INFO] [stdout] test ser::test::ser_u8 ... ok
[INFO] [stdout] test ser::test::structs ... ok
[INFO] [stdout] test ser::test::unit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/loopback.rs (/opt/rustwide/target/debug/deps/loopback-c6c34db608893b91)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/ser/mod.rs - ser::serialize_with_flavor (line 269) ... ok
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] test src/ser/flavors.rs - ser::flavors (line 33) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec (line 138) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice_cobs (line 36) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... 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] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d47ea232beebaa5d50e4537e1972d5194e48216c805109eb7a3e165e25160ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d47ea232beebaa5d50e4537e1972d5194e48216c805109eb7a3e165e25160ac", kill_on_drop: false }`
[INFO] [stdout] 5d47ea232beebaa5d50e4537e1972d5194e48216c805109eb7a3e165e25160ac