[INFO] cloning repository https://github.com/chenyulue/CL-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenyulue/CL-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyulue%2FCL-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyulue%2FCL-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 291bbaefe2a957d28031010b6c9008ec42346829
[INFO] checking chenyulue/CL-rust/291bbaefe2a957d28031010b6c9008ec42346829 against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyulue%2FCL-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chenyulue/CL-rust on toolchain d93f678fa55842cccd2f091deccd93e9494b3764
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chenyulue/CL-rust
[INFO] finished tweaking git repo https://github.com/chenyulue/CL-rust
[INFO] tweaked toml for git repo https://github.com/chenyulue/CL-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chenyulue/CL-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8706cef37c6ce7d3c7378fb414cc3feb66a89a6b0a49af5300c9b1da903a2e9
[INFO] running `Command { std: "docker" "start" "-a" "c8706cef37c6ce7d3c7378fb414cc3feb66a89a6b0a49af5300c9b1da903a2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8706cef37c6ce7d3c7378fb414cc3feb66a89a6b0a49af5300c9b1da903a2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8706cef37c6ce7d3c7378fb414cc3feb66a89a6b0a49af5300c9b1da903a2e9", kill_on_drop: false }`
[INFO] [stdout] c8706cef37c6ce7d3c7378fb414cc3feb66a89a6b0a49af5300c9b1da903a2e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c58051d9ecc2c30b8627a5f1b8f973ad16e584d27ba9cc0ff179fd4cbb83ecc
[INFO] running `Command { std: "docker" "start" "-a" "7c58051d9ecc2c30b8627a5f1b8f973ad16e584d27ba9cc0ff179fd4cbb83ecc", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir/ch01/hello)
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking echor v0.1.0 (/opt/rustwide/workdir/ch02/echor)
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.25s
[INFO] running `Command { std: "docker" "inspect" "7c58051d9ecc2c30b8627a5f1b8f973ad16e584d27ba9cc0ff179fd4cbb83ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c58051d9ecc2c30b8627a5f1b8f973ad16e584d27ba9cc0ff179fd4cbb83ecc", kill_on_drop: false }`
[INFO] [stdout] 7c58051d9ecc2c30b8627a5f1b8f973ad16e584d27ba9cc0ff179fd4cbb83ecc