[INFO] fetching crate dynfmt 0.1.4...
[INFO] checking dynfmt-0.1.4 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate dynfmt 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dynfmt 0.1.4 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynfmt 0.1.4
[INFO] finished tweaking crates.io crate dynfmt 0.1.4
[INFO] tweaked toml for crates.io crate dynfmt 0.1.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e37108a4ecd20d9008529e5e8b4ef2f12b166688bd33ebe454b44f947be93852
[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" "e37108a4ecd20d9008529e5e8b4ef2f12b166688bd33ebe454b44f947be93852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e37108a4ecd20d9008529e5e8b4ef2f12b166688bd33ebe454b44f947be93852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37108a4ecd20d9008529e5e8b4ef2f12b166688bd33ebe454b44f947be93852", kill_on_drop: false }`
[INFO] [stdout] e37108a4ecd20d9008529e5e8b4ef2f12b166688bd33ebe454b44f947be93852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3cf4487fd1beb1a5bfeb4162416bfa7e3e0952dbcdbf9e9ef2e93b15f28bec3
[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" "a3cf4487fd1beb1a5bfeb4162416bfa7e3e0952dbcdbf9e9ef2e93b15f28bec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking dynfmt v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.24s
[INFO] running `Command { std: "docker" "inspect" "a3cf4487fd1beb1a5bfeb4162416bfa7e3e0952dbcdbf9e9ef2e93b15f28bec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3cf4487fd1beb1a5bfeb4162416bfa7e3e0952dbcdbf9e9ef2e93b15f28bec3", kill_on_drop: false }`
[INFO] [stdout] a3cf4487fd1beb1a5bfeb4162416bfa7e3e0952dbcdbf9e9ef2e93b15f28bec3