[INFO] crate postcard 0.4.0 is already in cache
[INFO] testing postcard-0.4.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate postcard 0.4.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate postcard 0.4.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate postcard 0.4.0
[INFO] finished tweaking crates.io crate postcard 0.4.0
[INFO] tweaked toml for crates.io crate postcard 0.4.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c4ec51ca3cfd2523142a83ac9a19696a4452b33a4952e5bfba9e2059c753eb32
[INFO] running `"docker" "start" "-a" "c4ec51ca3cfd2523142a83ac9a19696a4452b33a4952e5bfba9e2059c753eb32"`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]    Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling hash32 v0.1.0
[INFO] [stderr]    Compiling as-slice v0.1.0
[INFO] [stderr]    Compiling postcard v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `"docker" "inspect" "c4ec51ca3cfd2523142a83ac9a19696a4452b33a4952e5bfba9e2059c753eb32"`
[INFO] running `"docker" "rm" "-f" "c4ec51ca3cfd2523142a83ac9a19696a4452b33a4952e5bfba9e2059c753eb32"`
[INFO] [stdout] c4ec51ca3cfd2523142a83ac9a19696a4452b33a4952e5bfba9e2059c753eb32
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7867458cc3c851a6c5b7f0d99368465666c58fc6f0abee3e056d4efb182d843c
[INFO] running `"docker" "start" "-a" "7867458cc3c851a6c5b7f0d99368465666c58fc6f0abee3e056d4efb182d843c"`
[INFO] [stderr]    Compiling postcard v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `"docker" "inspect" "7867458cc3c851a6c5b7f0d99368465666c58fc6f0abee3e056d4efb182d843c"`
[INFO] running `"docker" "rm" "-f" "7867458cc3c851a6c5b7f0d99368465666c58fc6f0abee3e056d4efb182d843c"`
[INFO] [stdout] 7867458cc3c851a6c5b7f0d99368465666c58fc6f0abee3e056d4efb182d843c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 92f10e399acfe7fea7511ae3b83cab9334e660dddf17874e1651b7addf7c679e
[INFO] running `"docker" "start" "-a" "92f10e399acfe7fea7511ae3b83cab9334e660dddf17874e1651b7addf7c679e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/postcard-1f230726406bc121
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test de::test::cobs_test ... ok
[INFO] [stdout] test de::test::bytes ... ok
[INFO] [stdout] test de::test::de_struct_unsigned ... ok
[INFO] [stdout] test de::test::de_u16 ... ok
[INFO] [stdout] test de::test::de_u32 ... ok
[INFO] [stdout] test de::test::de_u64 ... ok
[INFO] [stdout] test de::test::de_u8 ... ok
[INFO] [stdout] test de::test::heapless_data ... ok
[INFO] [stdout] test de::test::structs ... ok
[INFO] [stdout] test de::test::ref_struct ... ok
[INFO] [stdout] test de::test::de_str ... ok
[INFO] [stdout] test de::test::tuples ... ok
[INFO] [stdout] test de::test::enums ... ok
[INFO] [stdout] test de::test::unit ... ok
[INFO] [stdout] test de::test::de_byte_slice ... ok
[INFO] [stdout] test ser::test::bytes ... ok
[INFO] [stdout] test ser::test::enums ... ok
[INFO] [stdout] test ser::test::cobs_test ... ok
[INFO] [stdout] test ser::test::ref_struct ... ok
[INFO] [stdout] test ser::test::heapless_data ... ok
[INFO] [stdout] test ser::test::ser_u8 ... 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] test ser::test::ser_struct_unsigned ... 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::unit ... ok
[INFO] [stdout] test ser::test::usize_varint_encode ... ok
[INFO] [stdout] test ser::test::ser_str ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loopback-fa5139d4f5506ff8
[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] [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] [stderr]    Doc-tests postcard
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice_cobs (line 24) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::serialize_with_flavor (line 163) ... 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/ser/mod.rs - ser::to_slice (line 61) ... ok
[INFO] [stdout] test src/lib.rs -  (line 84) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec (line 126) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec_cobs (line 93) ... ok
[INFO] [stdout] test src/lib.rs -  (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "92f10e399acfe7fea7511ae3b83cab9334e660dddf17874e1651b7addf7c679e"`
[INFO] running `"docker" "rm" "-f" "92f10e399acfe7fea7511ae3b83cab9334e660dddf17874e1651b7addf7c679e"`
[INFO] [stdout] 92f10e399acfe7fea7511ae3b83cab9334e660dddf17874e1651b7addf7c679e