[INFO] cloning repository https://github.com/azaika/mini-prolog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azaika/mini-prolog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaika%2Fmini-prolog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaika%2Fmini-prolog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d29407106eb24cbd3ecf2550e94638db2642d825
[INFO] checking azaika/mini-prolog against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaika%2Fmini-prolog" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/azaika/mini-prolog on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/azaika/mini-prolog
[INFO] finished tweaking git repo https://github.com/azaika/mini-prolog
[INFO] tweaked toml for git repo https://github.com/azaika/mini-prolog written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/azaika/mini-prolog 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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.12.1
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.32)
[INFO] [stderr]       Adding strsim v0.8.0
[INFO] [stderr]       Adding textwrap v0.11.0
[INFO] [stderr]       Adding unicode-width v0.1.14
[INFO] [stderr]       Adding vec_map v0.8.2
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a443acf36216193110e739f6380c91efdb1772953a74808dd3c4d178db57dc67
[INFO] running `Command { std: "docker" "start" "-a" "a443acf36216193110e739f6380c91efdb1772953a74808dd3c4d178db57dc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a443acf36216193110e739f6380c91efdb1772953a74808dd3c4d178db57dc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a443acf36216193110e739f6380c91efdb1772953a74808dd3c4d178db57dc67", kill_on_drop: false }`
[INFO] [stdout] a443acf36216193110e739f6380c91efdb1772953a74808dd3c4d178db57dc67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d12f647db5414b69ac4448e8f1a9017c82d52396c384e959c3a1e29a183bcab
[INFO] running `Command { std: "docker" "start" "-a" "4d12f647db5414b69ac4448e8f1a9017c82d52396c384e959c3a1e29a183bcab", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: unable to apply cgroup configuration: unable to start unit "docker-4d12f647db5414b69ac4448e8f1a9017c82d52396c384e959c3a1e29a183bcab.scope" (properties [{Name:Description Value:"libcontainer container 4d12f647db5414b69ac4448e8f1a9017c82d52396c384e959c3a1e29a183bcab"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [3985669]} {Name:MemoryAccounting Value:true} {Name:CPUAccounting Value:true} {Name:IOAccounting Value:true} {Name:TasksAccounting Value:true} {Name:DefaultDependencies Value:false}]): Message recipient disconnected from message bus without replying: unknown
[INFO] running `Command { std: "docker" "inspect" "4d12f647db5414b69ac4448e8f1a9017c82d52396c384e959c3a1e29a183bcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d12f647db5414b69ac4448e8f1a9017c82d52396c384e959c3a1e29a183bcab", kill_on_drop: false }`
[INFO] [stdout] 4d12f647db5414b69ac4448e8f1a9017c82d52396c384e959c3a1e29a183bcab