[INFO] fetching crate postform_serial 0.5.0...
[INFO] building postform_serial-0.5.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate postform_serial 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate postform_serial 0.5.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postform_serial 0.5.0
[INFO] finished tweaking crates.io crate postform_serial 0.5.0
[INFO] tweaked toml for crates.io crate postform_serial 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate postform_serial 0.5.0 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a278b3d6109883aedb3ed9c6925b39c617424f055566175d516fd6d4546a230
[INFO] running `Command { std: "docker" "start" "-a" "5a278b3d6109883aedb3ed9c6925b39c617424f055566175d516fd6d4546a230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a278b3d6109883aedb3ed9c6925b39c617424f055566175d516fd6d4546a230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a278b3d6109883aedb3ed9c6925b39c617424f055566175d516fd6d4546a230", kill_on_drop: false }`
[INFO] [stdout] 5a278b3d6109883aedb3ed9c6925b39c617424f055566175d516fd6d4546a230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9958d9839e4e8964ede66a6d1941ec0c3477e68ca3c56a17fd51a1331fdaad76
[INFO] running `Command { std: "docker" "start" "-a" "9958d9839e4e8964ede66a6d1941ec0c3477e68ca3c56a17fd51a1331fdaad76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling tracing-core v0.1.23
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling eyre v0.6.7
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling rcobs v0.1.1
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling serialport v4.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tracing v0.1.32
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling color-spantrace v0.1.6
[INFO] [stderr]    Compiling ctrlc v3.2.1
[INFO] [stderr]    Compiling color-eyre v0.5.11
[INFO] [stderr]    Compiling postform_decoder v0.5.0
[INFO] [stderr]    Compiling postform_serial v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, wasmparser v0.57.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9958d9839e4e8964ede66a6d1941ec0c3477e68ca3c56a17fd51a1331fdaad76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9958d9839e4e8964ede66a6d1941ec0c3477e68ca3c56a17fd51a1331fdaad76", kill_on_drop: false }`
[INFO] [stdout] 9958d9839e4e8964ede66a6d1941ec0c3477e68ca3c56a17fd51a1331fdaad76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d80e51358993193f647f9b73974e84ed707e888c46282a4964099c19d7d199a
[INFO] running `Command { std: "docker" "start" "-a" "0d80e51358993193f647f9b73974e84ed707e888c46282a4964099c19d7d199a", kill_on_drop: false }`
[INFO] [stderr]    Compiling postform_serial v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, wasmparser v0.57.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0d80e51358993193f647f9b73974e84ed707e888c46282a4964099c19d7d199a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d80e51358993193f647f9b73974e84ed707e888c46282a4964099c19d7d199a", kill_on_drop: false }`
[INFO] [stdout] 0d80e51358993193f647f9b73974e84ed707e888c46282a4964099c19d7d199a