[INFO] fetching crate multiprint 0.1.3...
[INFO] checking multiprint-0.1.3 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate multiprint 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate multiprint 0.1.3 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiprint 0.1.3
[INFO] finished tweaking crates.io crate multiprint 0.1.3
[INFO] tweaked toml for crates.io crate multiprint 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate multiprint 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbfd795865be208dcc6ce953f8d7be6454fe09b76ac87d961a0e523e2b1b7d31
[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" "bbfd795865be208dcc6ce953f8d7be6454fe09b76ac87d961a0e523e2b1b7d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbfd795865be208dcc6ce953f8d7be6454fe09b76ac87d961a0e523e2b1b7d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfd795865be208dcc6ce953f8d7be6454fe09b76ac87d961a0e523e2b1b7d31", kill_on_drop: false }`
[INFO] [stdout] bbfd795865be208dcc6ce953f8d7be6454fe09b76ac87d961a0e523e2b1b7d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6463c38ab8b3b7eaa1f850de578d3f130a52eff877a0571f4cdc94e9ee67eecd
[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" "6463c38ab8b3b7eaa1f850de578d3f130a52eff877a0571f4cdc94e9ee67eecd", kill_on_drop: false }`
[INFO] [stderr]     Checking multiprint v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "6463c38ab8b3b7eaa1f850de578d3f130a52eff877a0571f4cdc94e9ee67eecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6463c38ab8b3b7eaa1f850de578d3f130a52eff877a0571f4cdc94e9ee67eecd", kill_on_drop: false }`
[INFO] [stdout] 6463c38ab8b3b7eaa1f850de578d3f130a52eff877a0571f4cdc94e9ee67eecd