[INFO] cloning repository https://github.com/jkcclemens/cbor_enum_serialise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkcclemens/cbor_enum_serialise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Fcbor_enum_serialise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Fcbor_enum_serialise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1660a6ab5a08eb3ace4960268b9c809c203b2aa
[INFO] checking jkcclemens/cbor_enum_serialise against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Fcbor_enum_serialise" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcclemens/cbor_enum_serialise on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jkcclemens/cbor_enum_serialise
[INFO] finished tweaking git repo https://github.com/jkcclemens/cbor_enum_serialise
[INFO] tweaked toml for git repo https://github.com/jkcclemens/cbor_enum_serialise written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcclemens/cbor_enum_serialise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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] 75907f531088e2f88d3895ff5ae35c4b0c851fc35c395a9799e16ca0a6895848
[INFO] running `Command { std: "docker" "start" "-a" "75907f531088e2f88d3895ff5ae35c4b0c851fc35c395a9799e16ca0a6895848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75907f531088e2f88d3895ff5ae35c4b0c851fc35c395a9799e16ca0a6895848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75907f531088e2f88d3895ff5ae35c4b0c851fc35c395a9799e16ca0a6895848", kill_on_drop: false }`
[INFO] [stdout] 75907f531088e2f88d3895ff5ae35c4b0c851fc35c395a9799e16ca0a6895848
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff7e21c817ae5608f754391550c23defd676d29c45585d344f18f1e68bb1a1c
[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" "fff7e21c817ae5608f754391550c23defd676d29c45585d344f18f1e68bb1a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking serde_cbor v0.10.1
[INFO] [stderr]     Checking cbor_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.64s
[INFO] running `Command { std: "docker" "inspect" "fff7e21c817ae5608f754391550c23defd676d29c45585d344f18f1e68bb1a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff7e21c817ae5608f754391550c23defd676d29c45585d344f18f1e68bb1a1c", kill_on_drop: false }`
[INFO] [stdout] fff7e21c817ae5608f754391550c23defd676d29c45585d344f18f1e68bb1a1c