[INFO] cloning repository https://github.com/tigroo31/libflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tigroo31/libflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigroo31%2Flibflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigroo31%2Flibflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a5451135b0e06539b28aaa12b769563219bd133
[INFO] checking tigroo31/libflow against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigroo31%2Flibflow" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tigroo31/libflow on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tigroo31/libflow
[INFO] finished tweaking git repo https://github.com/tigroo31/libflow
[INFO] tweaked toml for git repo https://github.com/tigroo31/libflow written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/tigroo31/libflow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a79ec9edd03c7163d7b933e6b34250109ca02263dc87a4d67f7ae58258a8aca
[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" "6a79ec9edd03c7163d7b933e6b34250109ca02263dc87a4d67f7ae58258a8aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a79ec9edd03c7163d7b933e6b34250109ca02263dc87a4d67f7ae58258a8aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a79ec9edd03c7163d7b933e6b34250109ca02263dc87a4d67f7ae58258a8aca", kill_on_drop: false }`
[INFO] [stdout] 6a79ec9edd03c7163d7b933e6b34250109ca02263dc87a4d67f7ae58258a8aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ed52e920668293a6c21f143ecdcc3cb826ed0a4158777705c81d068eaff4d0
[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" "59ed52e920668293a6c21f143ecdcc3cb826ed0a4158777705c81d068eaff4d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.3.0
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_with v1.6.0
[INFO] [stderr]     Checking libflow v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.33s
[INFO] running `Command { std: "docker" "inspect" "59ed52e920668293a6c21f143ecdcc3cb826ed0a4158777705c81d068eaff4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ed52e920668293a6c21f143ecdcc3cb826ed0a4158777705c81d068eaff4d0", kill_on_drop: false }`
[INFO] [stdout] 59ed52e920668293a6c21f143ecdcc3cb826ed0a4158777705c81d068eaff4d0