[INFO] cloning repository https://github.com/alexander-koch/loopc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexander-koch/loopc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-koch%2Floopc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-koch%2Floopc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c762687509415f7553d6c05a037d401a0a874e19
[INFO] building alexander-koch/loopc against master#ee1c3b385b6673b6ef37d80dfabe048e993c2ae2 for pr-102832-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-koch%2Floopc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexander-koch/loopc on toolchain ee1c3b385b6673b6ef37d80dfabe048e993c2ae2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexander-koch/loopc
[INFO] finished tweaking git repo https://github.com/alexander-koch/loopc
[INFO] tweaked toml for git repo https://github.com/alexander-koch/loopc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/alexander-koch/loopc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded semver v0.6.0
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded num-traits v0.1.42
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded num v0.1.41
[INFO] [stderr]   Downloaded wincolor v0.1.4
[INFO] [stderr]   Downloaded termcolor v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded env_logger v0.5.3
[INFO] [stderr]   Downloaded clap v2.29.4
[INFO] [stderr]   Downloaded llvm-sys v50.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 246cefbd2698e4928abe879ab5390260337e61b2f8eb37606c9898b15a38ec29
[INFO] running `Command { std: "docker" "start" "-a" "246cefbd2698e4928abe879ab5390260337e61b2f8eb37606c9898b15a38ec29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246cefbd2698e4928abe879ab5390260337e61b2f8eb37606c9898b15a38ec29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246cefbd2698e4928abe879ab5390260337e61b2f8eb37606c9898b15a38ec29", kill_on_drop: false }`
[INFO] [stdout] 246cefbd2698e4928abe879ab5390260337e61b2f8eb37606c9898b15a38ec29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 769579ccfbf51bd056c86816a75970a38fcc8e687c0bd92c075ed7ddc824607e
[INFO] running `Command { std: "docker" "start" "-a" "769579ccfbf51bd056c86816a75970a38fcc8e687c0bd92c075ed7ddc824607e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling termcolor v0.3.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling clap v2.29.4
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling env_logger v0.5.3
[INFO] [stderr]    Compiling llvm-sys v50.0.3
[INFO] [stderr]    Compiling loopc v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.08s
[INFO] running `Command { std: "docker" "inspect" "769579ccfbf51bd056c86816a75970a38fcc8e687c0bd92c075ed7ddc824607e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769579ccfbf51bd056c86816a75970a38fcc8e687c0bd92c075ed7ddc824607e", kill_on_drop: false }`
[INFO] [stdout] 769579ccfbf51bd056c86816a75970a38fcc8e687c0bd92c075ed7ddc824607e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cf19da8b4ec35b13973856659f8f35411bc7f529810c2a614325acdd12c7f9c
[INFO] running `Command { std: "docker" "start" "-a" "8cf19da8b4ec35b13973856659f8f35411bc7f529810c2a614325acdd12c7f9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling loopc v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "8cf19da8b4ec35b13973856659f8f35411bc7f529810c2a614325acdd12c7f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf19da8b4ec35b13973856659f8f35411bc7f529810c2a614325acdd12c7f9c", kill_on_drop: false }`
[INFO] [stdout] 8cf19da8b4ec35b13973856659f8f35411bc7f529810c2a614325acdd12c7f9c