[INFO] cloning repository https://github.com/southball/minijudge-rust-listener
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/southball/minijudge-rust-listener" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouthball%2Fminijudge-rust-listener", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouthball%2Fminijudge-rust-listener'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79d3a3d87fabffe1d1748d59e032c6ccd691cb6c
[INFO] checking southball/minijudge-rust-listener against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouthball%2Fminijudge-rust-listener" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/southball/minijudge-rust-listener on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/southball/minijudge-rust-listener
[INFO] finished tweaking git repo https://github.com/southball/minijudge-rust-listener
[INFO] tweaked toml for git repo https://github.com/southball/minijudge-rust-listener written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/southball/minijudge-rust-listener already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmq v0.9.2
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded zmq-sys v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b39736e6c9ab5c82989cde061220cbb4652cfe32ca87345b3313d1df65db1b66
[INFO] running `Command { std: "docker" "start" "-a" "b39736e6c9ab5c82989cde061220cbb4652cfe32ca87345b3313d1df65db1b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b39736e6c9ab5c82989cde061220cbb4652cfe32ca87345b3313d1df65db1b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39736e6c9ab5c82989cde061220cbb4652cfe32ca87345b3313d1df65db1b66", kill_on_drop: false }`
[INFO] [stdout] b39736e6c9ab5c82989cde061220cbb4652cfe32ca87345b3313d1df65db1b66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60299c6c0b61b53e9a7b373f2a351af51477928b429890150cf4e2a070448436
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "60299c6c0b61b53e9a7b373f2a351af51477928b429890150cf4e2a070448436", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#19c20f7c)
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#19c20f7c)
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking minijudge-rust-listener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.11s
[INFO] running `Command { std: "docker" "inspect" "60299c6c0b61b53e9a7b373f2a351af51477928b429890150cf4e2a070448436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60299c6c0b61b53e9a7b373f2a351af51477928b429890150cf4e2a070448436", kill_on_drop: false }`
[INFO] [stdout] 60299c6c0b61b53e9a7b373f2a351af51477928b429890150cf4e2a070448436