[INFO] fetching crate text2checkstyle 1.0.2...
[INFO] checking text2checkstyle-1.0.2 against beta for pr-78714
[INFO] extracting crate text2checkstyle 1.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate text2checkstyle 1.0.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate text2checkstyle 1.0.2
[INFO] finished tweaking crates.io crate text2checkstyle 1.0.2
[INFO] tweaked toml for crates.io crate text2checkstyle 1.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 883f7a059e7933558a6e2663ec7ad1dc704803dfacbd9c99fa54920b2a4b3e77
[INFO] running `Command { std: "docker" "start" "-a" "883f7a059e7933558a6e2663ec7ad1dc704803dfacbd9c99fa54920b2a4b3e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "883f7a059e7933558a6e2663ec7ad1dc704803dfacbd9c99fa54920b2a4b3e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883f7a059e7933558a6e2663ec7ad1dc704803dfacbd9c99fa54920b2a4b3e77", kill_on_drop: false }`
[INFO] [stdout] 883f7a059e7933558a6e2663ec7ad1dc704803dfacbd9c99fa54920b2a4b3e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb6fcd7a11ab04710635f6943a389df1ca5fefba0af41eed6bad752d6bf1a823
[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" "eb6fcd7a11ab04710635f6943a389df1ca5fefba0af41eed6bad752d6bf1a823", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking quick-xml v0.9.4
[INFO] [stderr]     Checking checkstyle_formatter v1.0.2
[INFO] [stderr]     Checking text2checkstyle v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | ) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | ) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "eb6fcd7a11ab04710635f6943a389df1ca5fefba0af41eed6bad752d6bf1a823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6fcd7a11ab04710635f6943a389df1ca5fefba0af41eed6bad752d6bf1a823", kill_on_drop: false }`
[INFO] [stdout] eb6fcd7a11ab04710635f6943a389df1ca5fefba0af41eed6bad752d6bf1a823