[INFO] fetching crate trait_exerci 0.3.0...
[INFO] checking trait_exerci-0.3.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate trait_exerci 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate trait_exerci 0.3.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trait_exerci 0.3.0
[INFO] finished tweaking crates.io crate trait_exerci 0.3.0
[INFO] tweaked toml for crates.io crate trait_exerci 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate trait_exerci 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 389c2cfd5e7e8e139c500870af4e17aea9137e68226dc2c6b3e8f472de2a5fd0
[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" "389c2cfd5e7e8e139c500870af4e17aea9137e68226dc2c6b3e8f472de2a5fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "389c2cfd5e7e8e139c500870af4e17aea9137e68226dc2c6b3e8f472de2a5fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389c2cfd5e7e8e139c500870af4e17aea9137e68226dc2c6b3e8f472de2a5fd0", kill_on_drop: false }`
[INFO] [stdout] 389c2cfd5e7e8e139c500870af4e17aea9137e68226dc2c6b3e8f472de2a5fd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c069308abbbe7edb7e022d95ceea4dc86d2d9dd779520bcd20b7dc9b73dca8f
[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" "3c069308abbbe7edb7e022d95ceea4dc86d2d9dd779520bcd20b7dc9b73dca8f", kill_on_drop: false }`
[INFO] [stderr]     Checking trait_exerci v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "3c069308abbbe7edb7e022d95ceea4dc86d2d9dd779520bcd20b7dc9b73dca8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c069308abbbe7edb7e022d95ceea4dc86d2d9dd779520bcd20b7dc9b73dca8f", kill_on_drop: false }`
[INFO] [stdout] 3c069308abbbe7edb7e022d95ceea4dc86d2d9dd779520bcd20b7dc9b73dca8f