[INFO] fetching crate language-reporting 0.4.0...
[INFO] checking language-reporting-0.4.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate language-reporting 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate language-reporting 0.4.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate language-reporting 0.4.0
[INFO] finished tweaking crates.io crate language-reporting 0.4.0
[INFO] tweaked toml for crates.io crate language-reporting 0.4.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate language-reporting 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.2.13
[INFO] [stderr]   Downloaded structopt v0.2.13
[INFO] [stderr]   Downloaded env_logger v0.5.11
[INFO] [stderr]   Downloaded derive-new v0.5.6
[INFO] [stderr]   Downloaded wincolor v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 7dff78d35446f2076f72ea39f16c4c0b30b9246512ef7db792a8fdba67edf68d
[INFO] running `Command { std: "docker" "start" "-a" "7dff78d35446f2076f72ea39f16c4c0b30b9246512ef7db792a8fdba67edf68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dff78d35446f2076f72ea39f16c4c0b30b9246512ef7db792a8fdba67edf68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dff78d35446f2076f72ea39f16c4c0b30b9246512ef7db792a8fdba67edf68d", kill_on_drop: false }`
[INFO] [stdout] 7dff78d35446f2076f72ea39f16c4c0b30b9246512ef7db792a8fdba67edf68d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b46605006e7b707569a895f1bfbc00706362bcde33568a982147cf25995447e
[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" "7b46605006e7b707569a895f1bfbc00706362bcde33568a982147cf25995447e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking unindent v0.1.3
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking language-reporting v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.88s
[INFO] running `Command { std: "docker" "inspect" "7b46605006e7b707569a895f1bfbc00706362bcde33568a982147cf25995447e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b46605006e7b707569a895f1bfbc00706362bcde33568a982147cf25995447e", kill_on_drop: false }`
[INFO] [stdout] 7b46605006e7b707569a895f1bfbc00706362bcde33568a982147cf25995447e