[INFO] fetching crate postcard2 0.1.0...
[INFO] testing postcard2-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate postcard2 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate postcard2 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate postcard2 0.1.0
[INFO] tweaked toml for crates.io crate postcard2 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postcard2 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate postcard2 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1e29c7d2f02cb993415b834a63b4311ad95a31fd171c0d9ca81f4fd69c5e980
[INFO] running `Command { std: "docker" "start" "-a" "a1e29c7d2f02cb993415b834a63b4311ad95a31fd171c0d9ca81f4fd69c5e980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1e29c7d2f02cb993415b834a63b4311ad95a31fd171c0d9ca81f4fd69c5e980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e29c7d2f02cb993415b834a63b4311ad95a31fd171c0d9ca81f4fd69c5e980", kill_on_drop: false }`
[INFO] [stdout] a1e29c7d2f02cb993415b834a63b4311ad95a31fd171c0d9ca81f4fd69c5e980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff9aeda94b179c19052a2dd6eaa9c9c204fd06b754a981eaccf871b94f44f987
[INFO] running `Command { std: "docker" "start" "-a" "ff9aeda94b179c19052a2dd6eaa9c9c204fd06b754a981eaccf871b94f44f987", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling postcard2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `MaxSize` is never used
[INFO] [stdout]   --> src/max_size.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait MaxSize {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `varint_size` is never used
[INFO] [stdout]    --> src/max_size.rs:294:10
[INFO] [stdout]     |
[INFO] [stdout] 294 | const fn varint_size(max_n: usize) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max` is never used
[INFO] [stdout]    --> src/max_size.rs:314:10
[INFO] [stdout]     |
[INFO] [stdout] 314 | const fn max(lhs: usize, rhs: usize) -> usize {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "ff9aeda94b179c19052a2dd6eaa9c9c204fd06b754a981eaccf871b94f44f987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9aeda94b179c19052a2dd6eaa9c9c204fd06b754a981eaccf871b94f44f987", kill_on_drop: false }`
[INFO] [stdout] ff9aeda94b179c19052a2dd6eaa9c9c204fd06b754a981eaccf871b94f44f987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae22f96984428633cb22908080528de22327e1e34f09467d2b55f83e0d861a1d
[INFO] running `Command { std: "docker" "start" "-a" "ae22f96984428633cb22908080528de22327e1e34f09467d2b55f83e0d861a1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling postcard2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `MaxSize` is never used
[INFO] [stdout]   --> src/max_size.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait MaxSize {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `varint_size` is never used
[INFO] [stdout]    --> src/max_size.rs:294:10
[INFO] [stdout]     |
[INFO] [stdout] 294 | const fn varint_size(max_n: usize) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max` is never used
[INFO] [stdout]    --> src/max_size.rs:314:10
[INFO] [stdout]     |
[INFO] [stdout] 314 | const fn max(lhs: usize, rhs: usize) -> usize {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RefStruct` is never constructed
[INFO] [stdout]   --> tests/loopback.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct RefStruct<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "ae22f96984428633cb22908080528de22327e1e34f09467d2b55f83e0d861a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae22f96984428633cb22908080528de22327e1e34f09467d2b55f83e0d861a1d", kill_on_drop: false }`
[INFO] [stdout] ae22f96984428633cb22908080528de22327e1e34f09467d2b55f83e0d861a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18288a0e40fe10d3407ac3c1bdcc08181531db548022b00ed05df9fff57dc710
[INFO] running `Command { std: "docker" "start" "-a" "18288a0e40fe10d3407ac3c1bdcc08181531db548022b00ed05df9fff57dc710", kill_on_drop: false }`
[INFO] [stderr] warning: trait `MaxSize` is never used
[INFO] [stderr]   --> src/max_size.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub trait MaxSize {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `varint_size` is never used
[INFO] [stderr]    --> src/max_size.rs:294:10
[INFO] [stderr]     |
[INFO] [stderr] 294 | const fn varint_size(max_n: usize) -> usize {
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `max` is never used
[INFO] [stderr]    --> src/max_size.rs:314:10
[INFO] [stderr]     |
[INFO] [stderr] 314 | const fn max(lhs: usize, rhs: usize) -> usize {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `postcard2` (lib) generated 3 warnings
[INFO] [stderr] warning: struct `RefStruct` is never constructed
[INFO] [stderr]   --> tests/loopback.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | struct RefStruct<'a> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `postcard2` (test "loopback") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postcard2-2c739e77bc9493ab)
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test accumulator::test::extend_unchecked_in_bounds_test ... ok
[INFO] [stdout] test accumulator::test::loop_test_ref ... ok
[INFO] [stdout] test de::test_heapless::de_u128 ... ok
[INFO] [stdout] test de::test_heapless::de_u64 ... ok
[INFO] [stdout] test accumulator::test::loop_test ... ok
[INFO] [stdout] test accumulator::test::double_loop_test ... ok
[INFO] [stdout] test de::test_heapless::de_byte_slice ... ok
[INFO] [stdout] test de::test_heapless::de_str ... ok
[INFO] [stdout] test de::test_heapless::de_struct_unsigned ... ok
[INFO] [stdout] test de::test_heapless::de_u16 ... ok
[INFO] [stdout] test accumulator::test::double_loop_test_ref ... ok
[INFO] [stdout] test de::test_heapless::cobs_test ... ok
[INFO] [stdout] test de::test_heapless::de_u32 ... ok
[INFO] [stdout] test de::test_heapless::de_u8 ... ok
[INFO] [stdout] test de::test_heapless::chars ... ok
[INFO] [stdout] test de::test_heapless::bytes ... ok
[INFO] [stdout] test de::test_heapless::ref_struct ... ok
[INFO] [stdout] test de::test_heapless::enums ... ok
[INFO] [stdout] test de::test_heapless::unit ... ok
[INFO] [stdout] test de::test_heapless::structs ... ok
[INFO] [stdout] test de::test_heapless::heapless_data ... ok
[INFO] [stdout] test de::test_heapless::tuples ... ok
[INFO] [stdout] test ser::test::bytes ... ok
[INFO] [stdout] test de::test_heapless::take_from_includes_terminator ... ok
[INFO] [stdout] test ser::test::ser_u8 ... ok
[INFO] [stdout] test ser::test::structs ... ok
[INFO] [stdout] test ser::test::heapless_data ... ok
[INFO] [stdout] test ser::test::ref_struct ... 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_u128 ... ok
[INFO] [stdout] test fixint::tests::test_big_endian ... ok
[INFO] [stdout] test ser::test::enums ... ok
[INFO] [stdout] test ser::test::ser_struct_unsigned ... ok
[INFO] [stdout] test ser::test::cobs_test ... ok
[INFO] [stdout] test fixint::tests::test_little_endian ... ok
[INFO] [stdout] test ser::test::tuples ... ok
[INFO] [stdout] test ser::test::unit ... ok
[INFO] [stdout] test ser::test::usize_varint_encode ... ok
[INFO] [stdout] test test::signed_int128 ... ok
[INFO] [stdout] test test::varint_boundary_canon ... ok
[INFO] [stdout] test ser::test::ser_u64 ... ok
[INFO] [stderr]      Running tests/accumulator.rs (/opt/rustwide/target/debug/deps/accumulator-75e7749a3cfb8a57)
[INFO] [stdout] test ser::test::ser_u32 ... ok
[INFO] [stderr]      Running tests/crc.rs (/opt/rustwide/target/debug/deps/crc-bb7dcf790200c4a2)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/loopback.rs (/opt/rustwide/target/debug/deps/loopback-017f089ae4a32cf0)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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]      Running tests/max_size.rs (/opt/rustwide/target/debug/deps/max_size-896f7cc361acf1b7)
[INFO] [stderr]    Doc-tests postcard2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/fixint.rs - fixint::be (line 63) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec (line 132) ... ok
[INFO] [stdout] test src/fixint.rs - fixint::le (line 24) ... ok
[INFO] [stdout] test src/ser/flavors.rs - ser::flavors (line 48) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice_cobs (line 31) ... ok
[INFO] [stdout] test src/ser/flavors.rs - ser::flavors::Size (line 698) ... ok
[INFO] [stdout] test src/accumulator.rs - accumulator::CobsAccumulator (line 14) ... ok
[INFO] [stdout] test src/de/flavors.rs - de::flavors (line 52) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_extend (line 261) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::serialize_with_flavor (line 459) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_vec_cobs (line 98) ... ok
[INFO] [stdout] test src/ser/flavors.rs - ser::flavors (line 71) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser::to_slice (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18288a0e40fe10d3407ac3c1bdcc08181531db548022b00ed05df9fff57dc710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18288a0e40fe10d3407ac3c1bdcc08181531db548022b00ed05df9fff57dc710", kill_on_drop: false }`
[INFO] [stdout] 18288a0e40fe10d3407ac3c1bdcc08181531db548022b00ed05df9fff57dc710