[INFO] cloning repository https://github.com/ananthdurai/rustlearn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ananthdurai/rustlearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fananthdurai%2Frustlearn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fananthdurai%2Frustlearn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 665b1cc5a464fc2772f1d0ea1d2917e99bc72b43 [INFO] checking ananthdurai/rustlearn against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fananthdurai%2Frustlearn" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ananthdurai/rustlearn on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ananthdurai/rustlearn [INFO] finished tweaking git repo https://github.com/ananthdurai/rustlearn [INFO] tweaked toml for git repo https://github.com/ananthdurai/rustlearn written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ananthdurai/rustlearn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6149f31272b07f57873b24229c24a5f22996a9ade2e57901b21fa20d4697b6f6 [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" "6149f31272b07f57873b24229c24a5f22996a9ade2e57901b21fa20d4697b6f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6149f31272b07f57873b24229c24a5f22996a9ade2e57901b21fa20d4697b6f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6149f31272b07f57873b24229c24a5f22996a9ade2e57901b21fa20d4697b6f6", kill_on_drop: false }` [INFO] [stdout] 6149f31272b07f57873b24229c24a5f22996a9ade2e57901b21fa20d4697b6f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e8d6fcd178c12f955be560791b91c1326dfa32a5ff599f3d75f15b0c8fe8c1e [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" "2e8d6fcd178c12f955be560791b91c1326dfa32a5ff599f3d75f15b0c8fe8c1e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking csv v1.0.7 [INFO] [stderr] Checking rustlearn v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.98s [INFO] running `Command { std: "docker" "inspect" "2e8d6fcd178c12f955be560791b91c1326dfa32a5ff599f3d75f15b0c8fe8c1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e8d6fcd178c12f955be560791b91c1326dfa32a5ff599f3d75f15b0c8fe8c1e", kill_on_drop: false }` [INFO] [stdout] 2e8d6fcd178c12f955be560791b91c1326dfa32a5ff599f3d75f15b0c8fe8c1e