[INFO] fetching crate postbag 0.4.1...
[INFO] testing postbag-0.4.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate postbag 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate postbag 0.4.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate postbag 0.4.1
[INFO] tweaked toml for crates.io crate postbag 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate postbag 0.4.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate postbag 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cb21efa7a5088172a41551c8138c0995cf9bd55277422daef9134a8d8251eb9
[INFO] running `Command { std: "docker" "start" "-a" "3cb21efa7a5088172a41551c8138c0995cf9bd55277422daef9134a8d8251eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb21efa7a5088172a41551c8138c0995cf9bd55277422daef9134a8d8251eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb21efa7a5088172a41551c8138c0995cf9bd55277422daef9134a8d8251eb9", kill_on_drop: false }`
[INFO] [stdout] 3cb21efa7a5088172a41551c8138c0995cf9bd55277422daef9134a8d8251eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30cf32a7fc62902767a37d0c1c5bb35270c97be93fc83a45361ad5b91150c57d
[INFO] running `Command { std: "docker" "start" "-a" "30cf32a7fc62902767a37d0c1c5bb35270c97be93fc83a45361ad5b91150c57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling postbag v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "30cf32a7fc62902767a37d0c1c5bb35270c97be93fc83a45361ad5b91150c57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cf32a7fc62902767a37d0c1c5bb35270c97be93fc83a45361ad5b91150c57d", kill_on_drop: false }`
[INFO] [stdout] 30cf32a7fc62902767a37d0c1c5bb35270c97be93fc83a45361ad5b91150c57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa5400b7060e60af0f9f79af0fed0fe3a8cfec109479992523b4ba18aa57405d
[INFO] running `Command { std: "docker" "start" "-a" "fa5400b7060e60af0f9f79af0fed0fe3a8cfec109479992523b4ba18aa57405d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling postbag v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.27s
[INFO] running `Command { std: "docker" "inspect" "fa5400b7060e60af0f9f79af0fed0fe3a8cfec109479992523b4ba18aa57405d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5400b7060e60af0f9f79af0fed0fe3a8cfec109479992523b4ba18aa57405d", kill_on_drop: false }`
[INFO] [stdout] fa5400b7060e60af0f9f79af0fed0fe3a8cfec109479992523b4ba18aa57405d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e92c790de6309aa60ddaa86f532888db20b67e5d6e98095a64b4b2ed597e6f6
[INFO] running `Command { std: "docker" "start" "-a" "4e92c790de6309aa60ddaa86f532888db20b67e5d6e98095a64b4b2ed597e6f6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postbag-84adc5140ac024f0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test varint::test::usize_varint_encode ... 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]      Running tests/compat.rs (/opt/rustwide/target/debug/deps/compat-1618de180e0093a7)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test added_enum_variants_full_encoding ... ok
[INFO] [stdout] test added_struct_fields ... ok
[INFO] [stdout] test added_enum_variants_slim_encoding ... ok
[INFO] [stdout] test added_struct_variant_fields ... ok
[INFO] [stdout] test changed_struct_fields ... ok
[INFO] [stdout] test changed_struct_variant_fields ... ok
[INFO] [stdout] test removed_struct_fields_nested_struct ... ok
[INFO] [stderr]      Running tests/loopback.rs (/opt/rustwide/target/debug/deps/loopback-bb4719bc9b6d112b)
[INFO] [stdout] test removed_struct_fields_nested_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test bytes_arrays_and_custom_serialization ... ok
[INFO] [stdout] test collections_maps_special ... ok
[INFO] [stdout] test collections_cstring ... ok
[INFO] [stdout] test collections_seq_special ... ok
[INFO] [stdout] test collections_maps ... ok
[INFO] [stdout] test collections_byte_slices_and_vecs ... ok
[INFO] [stdout] test error_handling_vec_bounds ... ok
[INFO] [stdout] test collections_strings ... ok
[INFO] [stdout] test complex_nested_combinations ... ok
[INFO] [stdout] test fixed_int ... ok
[INFO] [stdout] test enums_basic ... ok
[INFO] [stdout] test enums_with_data ... ok
[INFO] [stdout] test enums_with_nested_structs ... ok
[INFO] [stdout] test long_struct_fields ... ok
[INFO] [stdout] test nested_enums ... ok
[INFO] [stdout] test nested_structs ... ok
[INFO] [stdout] test primitives_booleans ... ok
[INFO] [stdout] test primitives_unit_type ... ok
[INFO] [stdout] test structs_basic ... ok
[INFO] [stdout] test primitives_unsigned_integers ... ok
[INFO] [stdout] test structs_variants ... ok
[INFO] [stdout] test id_enum_fields ... ok
[INFO] [stdout] test id_struct_fields ... ok
[INFO] [stdout] test primitives_signed_integers ... ok
[INFO] [stdout] test primitives_characters ... ok
[INFO] [stdout] test structs_with_references ... ok
[INFO] [stdout] test tuples_basic ... ok
[INFO] [stdout] test sequences_unknown_length ... ok
[INFO] [stderr]    Doc-tests postbag
[INFO] [stdout] test zero_sized_types ... ok
[INFO] [stdout] test structs_with_nested_enums ... ok
[INFO] [stdout] test varint_boundary_tests ... ok
[INFO] [stdout] test maps_unknown_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/de/mod.rs - de::deserialize_slim (line 96) ... ok
[INFO] [stdout] test src/../README.md - (line 56) ... ok
[INFO] [stdout] test src/../README.md - (line 18) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::serialize_full (line 54) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_full_vec (line 120) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::serialize (line 16) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::serialize_slim (line 87) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slim_vec (line 154) ... ok
[INFO] [stdout] test src/de/mod.rs - de::deserialize (line 20) ... ok
[INFO] [stdout] test src/fixint.rs - fixint (line 15) ... ok
[INFO] [stdout] test src/de/mod.rs - de::from_slim_slice (line 165) ... ok
[INFO] [stdout] test src/de/mod.rs - de::from_full_slice (line 132) ... ok
[INFO] [stdout] test src/de/mod.rs - de::deserialize_full (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e92c790de6309aa60ddaa86f532888db20b67e5d6e98095a64b4b2ed597e6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e92c790de6309aa60ddaa86f532888db20b67e5d6e98095a64b4b2ed597e6f6", kill_on_drop: false }`
[INFO] [stdout] 4e92c790de6309aa60ddaa86f532888db20b67e5d6e98095a64b4b2ed597e6f6