[INFO] cloning repository https://github.com/listboss/ex18
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/listboss/ex18" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flistboss%2Fex18", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flistboss%2Fex18'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f61485acdcde982b18b75d42ed7ca1697be4b100
[INFO] checking listboss/ex18 against try#378b6a8a384b3bd0818af5f1745e5747a98bff7b for pr-95819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flistboss%2Fex18" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/listboss/ex18 on toolchain 378b6a8a384b3bd0818af5f1745e5747a98bff7b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/listboss/ex18
[INFO] finished tweaking git repo https://github.com/listboss/ex18
[INFO] tweaked toml for git repo https://github.com/listboss/ex18 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/listboss/ex18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fcf401348ac16403637a9179e22b0a5f71672f15389922d65953a329dce9db5
[INFO] running `Command { std: "docker" "start" "-a" "2fcf401348ac16403637a9179e22b0a5f71672f15389922d65953a329dce9db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fcf401348ac16403637a9179e22b0a5f71672f15389922d65953a329dce9db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcf401348ac16403637a9179e22b0a5f71672f15389922d65953a329dce9db5", kill_on_drop: false }`
[INFO] [stdout] 2fcf401348ac16403637a9179e22b0a5f71672f15389922d65953a329dce9db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7bb6d9cc7f54cba9b0cc9471430ea74d4d07191099a1ad2422d1c4ea501072
[INFO] running `Command { std: "docker" "start" "-a" "ad7bb6d9cc7f54cba9b0cc9471430ea74d4d07191099a1ad2422d1c4ea501072", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ex18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "ad7bb6d9cc7f54cba9b0cc9471430ea74d4d07191099a1ad2422d1c4ea501072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7bb6d9cc7f54cba9b0cc9471430ea74d4d07191099a1ad2422d1c4ea501072", kill_on_drop: false }`
[INFO] [stdout] ad7bb6d9cc7f54cba9b0cc9471430ea74d4d07191099a1ad2422d1c4ea501072