[INFO] cloning repository https://github.com/asaadmohammed74/serde_derive_prob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asaadmohammed74/serde_derive_prob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dfd908c6be5a9364bed7162eba488bc67fb6465
[INFO] checking asaadmohammed74/serde_derive_prob against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asaadmohammed74/serde_derive_prob on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asaadmohammed74/serde_derive_prob
[INFO] finished tweaking git repo https://github.com/asaadmohammed74/serde_derive_prob
[INFO] tweaked toml for git repo https://github.com/asaadmohammed74/serde_derive_prob written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/asaadmohammed74/serde_derive_prob already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98742973c7f0c557d3ee88c029ab555149db5067cec810d6998cfea1d6d4a36e
[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" "98742973c7f0c557d3ee88c029ab555149db5067cec810d6998cfea1d6d4a36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98742973c7f0c557d3ee88c029ab555149db5067cec810d6998cfea1d6d4a36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98742973c7f0c557d3ee88c029ab555149db5067cec810d6998cfea1d6d4a36e", kill_on_drop: false }`
[INFO] [stdout] 98742973c7f0c557d3ee88c029ab555149db5067cec810d6998cfea1d6d4a36e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aa5a7deb5e12efd4bc6e882f98b76b36497e7bed83b22c7b5abd399c962a8a9
[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" "9aa5a7deb5e12efd4bc6e882f98b76b36497e7bed83b22c7b5abd399c962a8a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking der_example v0.1.0 (/opt/rustwide/workdir/der_example)
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 17.37s
[INFO] running `Command { std: "docker" "inspect" "9aa5a7deb5e12efd4bc6e882f98b76b36497e7bed83b22c7b5abd399c962a8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa5a7deb5e12efd4bc6e882f98b76b36497e7bed83b22c7b5abd399c962a8a9", kill_on_drop: false }`
[INFO] [stdout] 9aa5a7deb5e12efd4bc6e882f98b76b36497e7bed83b22c7b5abd399c962a8a9