[INFO] fetching crate postcard 0.7.2...
[INFO] testing postcard-0.7.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate postcard 0.7.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate postcard 0.7.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postcard 0.7.2
[INFO] finished tweaking crates.io crate postcard 0.7.2
[INFO] tweaked toml for crates.io crate postcard 0.7.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 3f3e3aa6e502ede0849ac29015d210bdb7d38db4bf432534a3301fbbb3480feb
[INFO] running `Command { std: "docker" "start" "-a" "3f3e3aa6e502ede0849ac29015d210bdb7d38db4bf432534a3301fbbb3480feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3e3aa6e502ede0849ac29015d210bdb7d38db4bf432534a3301fbbb3480feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3e3aa6e502ede0849ac29015d210bdb7d38db4bf432534a3301fbbb3480feb", kill_on_drop: false }`
[INFO] [stdout] 3f3e3aa6e502ede0849ac29015d210bdb7d38db4bf432534a3301fbbb3480feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb79f340e9fbbc8f59e7c3b8fca3566b3838c526e5ee5e6e9a0151a2c3b351cb
[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" "eb79f340e9fbbc8f59e7c3b8fca3566b3838c526e5ee5e6e9a0151a2c3b351cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.8
[INFO] [stderr]    Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling postcard v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.73s
[INFO] running `Command { std: "docker" "inspect" "eb79f340e9fbbc8f59e7c3b8fca3566b3838c526e5ee5e6e9a0151a2c3b351cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb79f340e9fbbc8f59e7c3b8fca3566b3838c526e5ee5e6e9a0151a2c3b351cb", kill_on_drop: false }`
[INFO] [stdout] eb79f340e9fbbc8f59e7c3b8fca3566b3838c526e5ee5e6e9a0151a2c3b351cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43ce4f99570be2c220e6ef404a5675b746d8cf2b851dcf0736a3045b94a3638d
[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" "43ce4f99570be2c220e6ef404a5675b746d8cf2b851dcf0736a3045b94a3638d", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "43ce4f99570be2c220e6ef404a5675b746d8cf2b851dcf0736a3045b94a3638d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ce4f99570be2c220e6ef404a5675b746d8cf2b851dcf0736a3045b94a3638d", kill_on_drop: false }`
[INFO] [stdout] 43ce4f99570be2c220e6ef404a5675b746d8cf2b851dcf0736a3045b94a3638d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21590dde21898ae2fc928b5045d552c3d6d139d81d08e7d109160cf36c8bc2e4
[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" "21590dde21898ae2fc928b5045d552c3d6d139d81d08e7d109160cf36c8bc2e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/postcard-b72e6958534b6b68)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test accumulator::loop_test ... ok
[INFO] [stdout] test de::test_heapless::bytes ... ok
[INFO] [stdout] test de::test_heapless::enums ... ok
[INFO] [stdout] test de::test_heapless::heapless_data ... ok
[INFO] [stdout] test de::test_heapless::de_u8 ... ok
[INFO] [stdout] test de::test_heapless::ref_struct ... ok
[INFO] [stdout] test de::test_heapless::structs ... ok
[INFO] [stdout] test de::test_heapless::de_u64 ... ok
[INFO] [stdout] test de::test_heapless::tuples ... ok
[INFO] [stdout] test de::test_heapless::unit ... ok
[INFO] [stdout] test de::test_heapless::de_u32 ... ok
[INFO] [stdout] test de::test_heapless::de_u16 ... ok
[INFO] [stdout] test ser::test::bytes ... ok
[INFO] [stdout] test de::test_heapless::cobs_test ... ok
[INFO] [stdout] test ser::test::cobs_test ... ok
[INFO] [stdout] test ser::test::enums ... ok
[INFO] [stdout] test ser::test::heapless_data ... ok
[INFO] [stdout] test ser::test::ref_struct ... ok
[INFO] [stdout] test de::test_heapless::de_struct_unsigned ... ok
[INFO] [stdout] test ser::test::ser_byte_slice ... ok
[INFO] [stdout] test ser::test::usize_varint_encode ... ok
[INFO] [stdout] test ser::test::ser_str ... ok
[INFO] [stdout] test ser::test::ser_u128 ... ok
[INFO] [stdout] test ser::test::ser_u16 ... ok
[INFO] [stdout] test ser::test::ser_u32 ... ok
[INFO] [stdout] test ser::test::ser_u64 ... ok
[INFO] [stdout] test ser::test::ser_u8 ... ok
[INFO] [stdout] test ser::test::structs ... ok
[INFO] [stdout] test ser::test::tuples ... ok
[INFO] [stdout] test ser::test::unit ... ok
[INFO] [stdout] test de::test_heapless::chars ... ok
[INFO] [stdout] test ser::test::ser_struct_unsigned ... ok
[INFO] [stdout] test de::test_heapless::de_u128 ... ok
[INFO] [stdout] test de::test_heapless::de_byte_slice ... ok
[INFO] [stderr]      Running tests/accumulator.rs (/opt/rustwide/target/debug/deps/accumulator-c5008b3834630217)
[INFO] [stdout] test de::test_heapless::de_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/loopback.rs (/opt/rustwide/target/debug/deps/loopback-4afb112faea0010e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test reader ... 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 1 test
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests postcard
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] test src/lib.rs - (line 125) ... ok
[INFO] [stdout] test src/ser/flavors.rs - ser::flavors (line 33) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice_cobs (line 36) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec_cobs (line 105) ... ok
[INFO] [stdout] test src/ser/flavors.rs - ser::flavors (line 56) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice (line 73) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::serialize_with_flavor (line 269) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec (line 138) ... ok
[INFO] [stdout] test src/accumulator.rs - accumulator::CobsAccumulator (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21590dde21898ae2fc928b5045d552c3d6d139d81d08e7d109160cf36c8bc2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21590dde21898ae2fc928b5045d552c3d6d139d81d08e7d109160cf36c8bc2e4", kill_on_drop: false }`
[INFO] [stdout] 21590dde21898ae2fc928b5045d552c3d6d139d81d08e7d109160cf36c8bc2e4