[INFO] fetching crate postform_serial 0.4.0...
[INFO] checking postform_serial-0.4.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate postform_serial 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate postform_serial 0.4.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postform_serial 0.4.0
[INFO] finished tweaking crates.io crate postform_serial 0.4.0
[INFO] tweaked toml for crates.io crate postform_serial 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate postform_serial 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded postform_decoder v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 505845bf6e71407e8bedf9dd748070e1af026f35250ca5e7fcee56c0232e49d8
[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" "505845bf6e71407e8bedf9dd748070e1af026f35250ca5e7fcee56c0232e49d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505845bf6e71407e8bedf9dd748070e1af026f35250ca5e7fcee56c0232e49d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505845bf6e71407e8bedf9dd748070e1af026f35250ca5e7fcee56c0232e49d8", kill_on_drop: false }`
[INFO] [stdout] 505845bf6e71407e8bedf9dd748070e1af026f35250ca5e7fcee56c0232e49d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 64d575d5dfc0e83ada7f4ac23ef37845563d0e87296672b9b27d0d3649b4bb0d
[INFO] running `Command { std: "docker" "start" "-a" "64d575d5dfc0e83ada7f4ac23ef37845563d0e87296672b9b27d0d3649b4bb0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking rcobs v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking eyre v0.6.5
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.16.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling postform_decoder v0.4.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking postform_serial v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "64d575d5dfc0e83ada7f4ac23ef37845563d0e87296672b9b27d0d3649b4bb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d575d5dfc0e83ada7f4ac23ef37845563d0e87296672b9b27d0d3649b4bb0d", kill_on_drop: false }`
[INFO] [stdout] 64d575d5dfc0e83ada7f4ac23ef37845563d0e87296672b9b27d0d3649b4bb0d