[INFO] cloning repository https://github.com/c-o-l-o-r/serde-json-issue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c-o-l-o-r/serde-json-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-o-l-o-r%2Fserde-json-issue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-o-l-o-r%2Fserde-json-issue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 933d3807891c259da2a2c3508d2ce3cfadcbc95b [INFO] checking c-o-l-o-r/serde-json-issue against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-o-l-o-r%2Fserde-json-issue" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/c-o-l-o-r/serde-json-issue on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/c-o-l-o-r/serde-json-issue [INFO] finished tweaking git repo https://github.com/c-o-l-o-r/serde-json-issue [INFO] tweaked toml for git repo https://github.com/c-o-l-o-r/serde-json-issue written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/c-o-l-o-r/serde-json-issue already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded serde_json v1.0.39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] ae9d6785660b4c5a5f48f88a3faa9138c9bd2d3020ea4bcc00ceddba52723822 [INFO] running `Command { std: "docker" "start" "-a" "ae9d6785660b4c5a5f48f88a3faa9138c9bd2d3020ea4bcc00ceddba52723822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae9d6785660b4c5a5f48f88a3faa9138c9bd2d3020ea4bcc00ceddba52723822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae9d6785660b4c5a5f48f88a3faa9138c9bd2d3020ea4bcc00ceddba52723822", kill_on_drop: false }` [INFO] [stdout] ae9d6785660b4c5a5f48f88a3faa9138c9bd2d3020ea4bcc00ceddba52723822 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e951f21031767aa9933404ccca742030a9a54c8cdbb264e0854e48bdac93e23d [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" "e951f21031767aa9933404ccca742030a9a54c8cdbb264e0854e48bdac93e23d", kill_on_drop: false }` [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking serde-json-issue v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.69s [INFO] running `Command { std: "docker" "inspect" "e951f21031767aa9933404ccca742030a9a54c8cdbb264e0854e48bdac93e23d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e951f21031767aa9933404ccca742030a9a54c8cdbb264e0854e48bdac93e23d", kill_on_drop: false }` [INFO] [stdout] e951f21031767aa9933404ccca742030a9a54c8cdbb264e0854e48bdac93e23d