[INFO] fetching crate tracing-json 0.1.0... [INFO] checking tracing-json-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate tracing-json 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate tracing-json 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tracing-json 0.1.0 [INFO] finished tweaking crates.io crate tracing-json 0.1.0 [INFO] tweaked toml for crates.io crate tracing-json 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate tracing-json 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-subscriber v0.2.5 [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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 056b7ce782f3f76bfd89c857e4d2190546cd75be06e417b8fe618b9ec2da83cd [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" "056b7ce782f3f76bfd89c857e4d2190546cd75be06e417b8fe618b9ec2da83cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "056b7ce782f3f76bfd89c857e4d2190546cd75be06e417b8fe618b9ec2da83cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "056b7ce782f3f76bfd89c857e4d2190546cd75be06e417b8fe618b9ec2da83cd", kill_on_drop: false }` [INFO] [stdout] 056b7ce782f3f76bfd89c857e4d2190546cd75be06e417b8fe618b9ec2da83cd [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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9aa1eb00209e6cb9ccc18aa0494777272f30c355ccf9a6ebbb9822235030f975 [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" "9aa1eb00209e6cb9ccc18aa0494777272f30c355ccf9a6ebbb9822235030f975", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking tracing-core v0.1.10 [INFO] [stderr] Checking sharded-slab v0.0.9 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking tracing-subscriber v0.2.5 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling tracing-attributes v0.1.8 [INFO] [stderr] Compiling thiserror-impl v1.0.19 [INFO] [stderr] Checking thiserror v1.0.19 [INFO] [stderr] Checking tracing v0.1.15 [INFO] [stderr] Checking serde v1.0.111 [INFO] [stderr] Checking tracing-json v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.65s [INFO] running `Command { std: "docker" "inspect" "9aa1eb00209e6cb9ccc18aa0494777272f30c355ccf9a6ebbb9822235030f975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aa1eb00209e6cb9ccc18aa0494777272f30c355ccf9a6ebbb9822235030f975", kill_on_drop: false }` [INFO] [stdout] 9aa1eb00209e6cb9ccc18aa0494777272f30c355ccf9a6ebbb9822235030f975