[INFO] cloning repository https://github.com/guoguojin/rust-example-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guoguojin/rust-example-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguoguojin%2Frust-example-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguoguojin%2Frust-example-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84d6f22d39c56f4145d3f52407dae83808be4213
[INFO] checking guoguojin/rust-example-cli against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguoguojin%2Frust-example-cli" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guoguojin/rust-example-cli on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guoguojin/rust-example-cli
[INFO] finished tweaking git repo https://github.com/guoguojin/rust-example-cli
[INFO] tweaked toml for git repo https://github.com/guoguojin/rust-example-cli written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/guoguojin/rust-example-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 419be2794d4011d18472b8976ddd640a2e532a7ecfa6a79a1457b5c52e06873e
[INFO] running `Command { std: "docker" "start" "-a" "419be2794d4011d18472b8976ddd640a2e532a7ecfa6a79a1457b5c52e06873e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "419be2794d4011d18472b8976ddd640a2e532a7ecfa6a79a1457b5c52e06873e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419be2794d4011d18472b8976ddd640a2e532a7ecfa6a79a1457b5c52e06873e", kill_on_drop: false }`
[INFO] [stdout] 419be2794d4011d18472b8976ddd640a2e532a7ecfa6a79a1457b5c52e06873e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e34c6c80208102a08991aba2d2aef153b99f73294297ff54bb97668bd4db745
[INFO] running `Command { std: "docker" "start" "-a" "0e34c6c80208102a08991aba2d2aef153b99f73294297ff54bb97668bd4db745", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking rust-ini v0.12.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking config v0.9.0
[INFO] [stderr]     Checking example-cli-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.01s
[INFO] running `Command { std: "docker" "inspect" "0e34c6c80208102a08991aba2d2aef153b99f73294297ff54bb97668bd4db745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e34c6c80208102a08991aba2d2aef153b99f73294297ff54bb97668bd4db745", kill_on_drop: false }`
[INFO] [stdout] 0e34c6c80208102a08991aba2d2aef153b99f73294297ff54bb97668bd4db745