[INFO] fetching crate nson 0.11.0...
[INFO] checking nson-0.11.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate nson 0.11.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate nson 0.11.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nson 0.11.0
[INFO] finished tweaking crates.io crate nson 0.11.0
[INFO] tweaked toml for crates.io crate nson 0.11.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate nson 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d21baebc550b97cf6a2f5aecea2a8a8330e4ee8ad32040188f78e60f9e6e227
[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" "3d21baebc550b97cf6a2f5aecea2a8a8330e4ee8ad32040188f78e60f9e6e227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d21baebc550b97cf6a2f5aecea2a8a8330e4ee8ad32040188f78e60f9e6e227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d21baebc550b97cf6a2f5aecea2a8a8330e4ee8ad32040188f78e60f9e6e227", kill_on_drop: false }`
[INFO] [stdout] 3d21baebc550b97cf6a2f5aecea2a8a8330e4ee8ad32040188f78e60f9e6e227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d105bed43a8476b19014b9b8f62cd83cf9e4aaacbd0976210d9097c136f35039
[INFO] running `Command { std: "docker" "start" "-a" "d105bed43a8476b19014b9b8f62cd83cf9e4aaacbd0976210d9097c136f35039", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking nson v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.24s
[INFO] running `Command { std: "docker" "inspect" "d105bed43a8476b19014b9b8f62cd83cf9e4aaacbd0976210d9097c136f35039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d105bed43a8476b19014b9b8f62cd83cf9e4aaacbd0976210d9097c136f35039", kill_on_drop: false }`
[INFO] [stdout] d105bed43a8476b19014b9b8f62cd83cf9e4aaacbd0976210d9097c136f35039