[INFO] cloning repository https://github.com/cronosun/thread_scoped_ref
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cronosun/thread_scoped_ref" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronosun%2Fthread_scoped_ref", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronosun%2Fthread_scoped_ref'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a7f392a781d454b7b54bc012495f951cbad610a
[INFO] checking cronosun/thread_scoped_ref against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronosun%2Fthread_scoped_ref" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cronosun/thread_scoped_ref on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cronosun/thread_scoped_ref
[INFO] finished tweaking git repo https://github.com/cronosun/thread_scoped_ref
[INFO] tweaked toml for git repo https://github.com/cronosun/thread_scoped_ref written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/cronosun/thread_scoped_ref already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 615a8f0b1eccf64b16689b2cb49241512ba569bb45026207fdbbd39f6b0e21bd
[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" "615a8f0b1eccf64b16689b2cb49241512ba569bb45026207fdbbd39f6b0e21bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615a8f0b1eccf64b16689b2cb49241512ba569bb45026207fdbbd39f6b0e21bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615a8f0b1eccf64b16689b2cb49241512ba569bb45026207fdbbd39f6b0e21bd", kill_on_drop: false }`
[INFO] [stdout] 615a8f0b1eccf64b16689b2cb49241512ba569bb45026207fdbbd39f6b0e21bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7957b7854933fedd888c6e1ce8f1bcd84338709d69f5b58ff83c5529cfca8c19
[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" "7957b7854933fedd888c6e1ce8f1bcd84338709d69f5b58ff83c5529cfca8c19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking thread-scoped-ref v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.16s
[INFO] running `Command { std: "docker" "inspect" "7957b7854933fedd888c6e1ce8f1bcd84338709d69f5b58ff83c5529cfca8c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7957b7854933fedd888c6e1ce8f1bcd84338709d69f5b58ff83c5529cfca8c19", kill_on_drop: false }`
[INFO] [stdout] 7957b7854933fedd888c6e1ce8f1bcd84338709d69f5b58ff83c5529cfca8c19