[INFO] fetching crate object 0.21.1...
[INFO] checking object-0.21.1 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate object 0.21.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate object 0.21.1 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate object 0.21.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate object 0.21.1
[INFO] tweaked toml for crates.io crate object 0.21.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate object 0.21.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v1.5.1
[INFO] [stderr]   Downloaded compiler_builtins v0.1.32
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded rustc-std-workspace-alloc v1.0.0
[INFO] [stderr]   Downloaded rustc-std-workspace-core v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded crc32fast v1.2.0
[INFO] [stderr]   Downloaded hashbrown v0.8.2
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded wasmparser v0.57.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", 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] ad70380954c41c00d24adf2d14cef565b173901470d40d03b50f6bcbd9fb043c
[INFO] running `Command { std: "docker" "start" "-a" "ad70380954c41c00d24adf2d14cef565b173901470d40d03b50f6bcbd9fb043c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad70380954c41c00d24adf2d14cef565b173901470d40d03b50f6bcbd9fb043c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad70380954c41c00d24adf2d14cef565b173901470d40d03b50f6bcbd9fb043c", kill_on_drop: false }`
[INFO] [stdout] ad70380954c41c00d24adf2d14cef565b173901470d40d03b50f6bcbd9fb043c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5f56dd26bd0770fc0da51884b7f49a1b846d234c2a97684591edacdd4585ed2
[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" "c5f56dd26bd0770fc0da51884b7f49a1b846d234c2a97684591edacdd4585ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking object v0.21.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.80s
[INFO] running `Command { std: "docker" "inspect" "c5f56dd26bd0770fc0da51884b7f49a1b846d234c2a97684591edacdd4585ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f56dd26bd0770fc0da51884b7f49a1b846d234c2a97684591edacdd4585ed2", kill_on_drop: false }`
[INFO] [stdout] c5f56dd26bd0770fc0da51884b7f49a1b846d234c2a97684591edacdd4585ed2