[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 master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asaadmohammed74/serde_derive_prob on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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-0/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1d9c7293482225ce1d684d5ae464850ee8cb0cdb2b338a1dcbef1dfb00a8ef8
[INFO] running `Command { std: "docker" "start" "-a" "e1d9c7293482225ce1d684d5ae464850ee8cb0cdb2b338a1dcbef1dfb00a8ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1d9c7293482225ce1d684d5ae464850ee8cb0cdb2b338a1dcbef1dfb00a8ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d9c7293482225ce1d684d5ae464850ee8cb0cdb2b338a1dcbef1dfb00a8ef8", kill_on_drop: false }`
[INFO] [stdout] e1d9c7293482225ce1d684d5ae464850ee8cb0cdb2b338a1dcbef1dfb00a8ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d23353affe8323910bd7d2611d080a6751a186cfa329698326e3c74ac11434
[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" "18d23353affe8323910bd7d2611d080a6751a186cfa329698326e3c74ac11434", 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 14.71s
[INFO] running `Command { std: "docker" "inspect" "18d23353affe8323910bd7d2611d080a6751a186cfa329698326e3c74ac11434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d23353affe8323910bd7d2611d080a6751a186cfa329698326e3c74ac11434", kill_on_drop: false }`
[INFO] [stdout] 18d23353affe8323910bd7d2611d080a6751a186cfa329698326e3c74ac11434