[INFO] cloning repository https://github.com/klemens/rconc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klemens/rconc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklemens%2Frconc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklemens%2Frconc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4ea7a68c4fa96b8e83bb3909eeb816ada9e607d
[INFO] checking klemens/rconc against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklemens%2Frconc" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klemens/rconc on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/klemens/rconc
[INFO] finished tweaking git repo https://github.com/klemens/rconc
[INFO] tweaked toml for git repo https://github.com/klemens/rconc written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/klemens/rconc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 ordered-multimap v0.2.4
[INFO] [stderr]   Downloaded dlv-list v0.2.2
[INFO] [stderr]   Downloaded hashbrown v0.7.1
[INFO] [stderr]   Downloaded rust-ini v0.15.2
[INFO] [stderr]   Downloaded rcon v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee7fb1a50b9c2b7126a5397003a796c5b26c056443524185e0390badfc54e690
[INFO] running `Command { std: "docker" "start" "-a" "ee7fb1a50b9c2b7126a5397003a796c5b26c056443524185e0390badfc54e690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee7fb1a50b9c2b7126a5397003a796c5b26c056443524185e0390badfc54e690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7fb1a50b9c2b7126a5397003a796c5b26c056443524185e0390badfc54e690", kill_on_drop: false }`
[INFO] [stdout] ee7fb1a50b9c2b7126a5397003a796c5b26c056443524185e0390badfc54e690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e7110a9b4cabc4a2f83d4a7718fdb939c4f1927fd08b45084419701a19cc79d
[INFO] running `Command { std: "docker" "start" "-a" "3e7110a9b4cabc4a2f83d4a7718fdb939c4f1927fd08b45084419701a19cc79d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling hashbrown v0.7.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking rcon v0.1.0
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking ordered-multimap v0.2.4
[INFO] [stderr]     Checking rust-ini v0.15.2
[INFO] [stderr]     Checking rconc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.43s
[INFO] running `Command { std: "docker" "inspect" "3e7110a9b4cabc4a2f83d4a7718fdb939c4f1927fd08b45084419701a19cc79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7110a9b4cabc4a2f83d4a7718fdb939c4f1927fd08b45084419701a19cc79d", kill_on_drop: false }`
[INFO] [stdout] 3e7110a9b4cabc4a2f83d4a7718fdb939c4f1927fd08b45084419701a19cc79d