[INFO] fetching crate rargs 0.3.0...
[INFO] checking rargs-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate rargs 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rargs 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rargs 0.3.0
[INFO] finished tweaking crates.io crate rargs 0.3.0
[INFO] tweaked toml for crates.io crate rargs 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rargs 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e798667aaf6888a32a2476ab21f033ff76836429c52bf919ce4c238532559e8f
[INFO] running `Command { std: "docker" "start" "-a" "e798667aaf6888a32a2476ab21f033ff76836429c52bf919ce4c238532559e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e798667aaf6888a32a2476ab21f033ff76836429c52bf919ce4c238532559e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e798667aaf6888a32a2476ab21f033ff76836429c52bf919ce4c238532559e8f", kill_on_drop: false }`
[INFO] [stdout] e798667aaf6888a32a2476ab21f033ff76836429c52bf919ce4c238532559e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e33c51f05f8246e75c4aa984eafff800fbb1565f9f117037f6a9ea59de1576b
[INFO] running `Command { std: "docker" "start" "-a" "6e33c51f05f8246e75c4aa984eafff800fbb1565f9f117037f6a9ea59de1576b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking threadpool v1.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking rargs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.37s
[INFO] running `Command { std: "docker" "inspect" "6e33c51f05f8246e75c4aa984eafff800fbb1565f9f117037f6a9ea59de1576b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e33c51f05f8246e75c4aa984eafff800fbb1565f9f117037f6a9ea59de1576b", kill_on_drop: false }`
[INFO] [stdout] 6e33c51f05f8246e75c4aa984eafff800fbb1565f9f117037f6a9ea59de1576b