[INFO] fetching crate param-xml 1.0.0...
[INFO] checking param-xml-1.0.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate param-xml 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate param-xml 1.0.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate param-xml 1.0.0
[INFO] finished tweaking crates.io crate param-xml 1.0.0
[INFO] tweaked toml for crates.io crate param-xml 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate param-xml 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16a406a228007d805de03b3323c022d052d0c92c49bae07c1b53beda1d719188
[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" "16a406a228007d805de03b3323c022d052d0c92c49bae07c1b53beda1d719188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16a406a228007d805de03b3323c022d052d0c92c49bae07c1b53beda1d719188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a406a228007d805de03b3323c022d052d0c92c49bae07c1b53beda1d719188", kill_on_drop: false }`
[INFO] [stdout] 16a406a228007d805de03b3323c022d052d0c92c49bae07c1b53beda1d719188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] af847952526bdb2917e528c879ef3608a7b769842eb9fac9cbd31c416e6d773d
[INFO] running `Command { std: "docker" "start" "-a" "af847952526bdb2917e528c879ef3608a7b769842eb9fac9cbd31c416e6d773d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking bimap v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling diff_derive v0.1.1
[INFO] [stderr]    Compiling compile-time-crc32-impl v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking compile-time-crc32 v0.1.2
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking diff-struct v0.2.1
[INFO] [stderr]     Checking hash40 v0.4.3
[INFO] [stderr]     Checking prc-rs v1.2.0
[INFO] [stderr]     Checking param-xml v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.26s
[INFO] running `Command { std: "docker" "inspect" "af847952526bdb2917e528c879ef3608a7b769842eb9fac9cbd31c416e6d773d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af847952526bdb2917e528c879ef3608a7b769842eb9fac9cbd31c416e6d773d", kill_on_drop: false }`
[INFO] [stdout] af847952526bdb2917e528c879ef3608a7b769842eb9fac9cbd31c416e6d773d