[INFO] fetching crate glicko2 0.3.1... [INFO] checking glicko2-0.3.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate glicko2 0.3.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate glicko2 0.3.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate glicko2 0.3.1 [INFO] finished tweaking crates.io crate glicko2 0.3.1 [INFO] tweaked toml for crates.io crate glicko2 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate glicko2 0.3.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 021e5dcfe842cd570587f2cd7615111daf1ab91f2d9641bad74e6c63745225c3 [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" "021e5dcfe842cd570587f2cd7615111daf1ab91f2d9641bad74e6c63745225c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "021e5dcfe842cd570587f2cd7615111daf1ab91f2d9641bad74e6c63745225c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "021e5dcfe842cd570587f2cd7615111daf1ab91f2d9641bad74e6c63745225c3", kill_on_drop: false }` [INFO] [stdout] 021e5dcfe842cd570587f2cd7615111daf1ab91f2d9641bad74e6c63745225c3 [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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd3613bf9f145fffe0a85d8c4ffea0e4575c90c68ddc79fa4d987ac137d28ed2 [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" "cd3613bf9f145fffe0a85d8c4ffea0e4575c90c68ddc79fa4d987ac137d28ed2", kill_on_drop: false }` [INFO] [stderr] Checking glicko2 v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.60s [INFO] running `Command { std: "docker" "inspect" "cd3613bf9f145fffe0a85d8c4ffea0e4575c90c68ddc79fa4d987ac137d28ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd3613bf9f145fffe0a85d8c4ffea0e4575c90c68ddc79fa4d987ac137d28ed2", kill_on_drop: false }` [INFO] [stdout] cd3613bf9f145fffe0a85d8c4ffea0e4575c90c68ddc79fa4d987ac137d28ed2