[INFO] fetching crate mug-bancha 0.0.0...
[INFO] checking mug-bancha-0.0.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate mug-bancha 0.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mug-bancha 0.0.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mug-bancha 0.0.0
[INFO] finished tweaking crates.io crate mug-bancha 0.0.0
[INFO] tweaked toml for crates.io crate mug-bancha 0.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate mug-bancha 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcf5ba508ee432b7f93e0f095dc198982a229e4dd37d63fe12d5cbad5fdfe5d2
[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" "dcf5ba508ee432b7f93e0f095dc198982a229e4dd37d63fe12d5cbad5fdfe5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcf5ba508ee432b7f93e0f095dc198982a229e4dd37d63fe12d5cbad5fdfe5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf5ba508ee432b7f93e0f095dc198982a229e4dd37d63fe12d5cbad5fdfe5d2", kill_on_drop: false }`
[INFO] [stdout] dcf5ba508ee432b7f93e0f095dc198982a229e4dd37d63fe12d5cbad5fdfe5d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7c0067baa2391064ff838dedb64630a134e0a77a6b6337ecb4bf7c75639e2e
[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" "db7c0067baa2391064ff838dedb64630a134e0a77a6b6337ecb4bf7c75639e2e", kill_on_drop: false }`
[INFO] [stderr]     Checking mug-bancha v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "db7c0067baa2391064ff838dedb64630a134e0a77a6b6337ecb4bf7c75639e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7c0067baa2391064ff838dedb64630a134e0a77a6b6337ecb4bf7c75639e2e", kill_on_drop: false }`
[INFO] [stdout] db7c0067baa2391064ff838dedb64630a134e0a77a6b6337ecb4bf7c75639e2e