[INFO] cloning repository https://github.com/kprotty/rwlock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kprotty/rwlock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkprotty%2Frwlock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkprotty%2Frwlock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fb567a64e091eae13b0b3af52f75e42a8564c64
[INFO] checking kprotty/rwlock against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkprotty%2Frwlock" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kprotty/rwlock on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kprotty/rwlock
[INFO] finished tweaking git repo https://github.com/kprotty/rwlock
[INFO] tweaked toml for git repo https://github.com/kprotty/rwlock written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kprotty/rwlock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15f89bd9b1a82e038e00f95d4b30ebd2ab0b70f832389743a787abe664114f1
[INFO] running `Command { std: "docker" "start" "-a" "a15f89bd9b1a82e038e00f95d4b30ebd2ab0b70f832389743a787abe664114f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15f89bd9b1a82e038e00f95d4b30ebd2ab0b70f832389743a787abe664114f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15f89bd9b1a82e038e00f95d4b30ebd2ab0b70f832389743a787abe664114f1", kill_on_drop: false }`
[INFO] [stdout] a15f89bd9b1a82e038e00f95d4b30ebd2ab0b70f832389743a787abe664114f1
[INFO] checking kprotty/rwlock against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkprotty%2Frwlock" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kprotty/rwlock on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kprotty/rwlock
[INFO] finished tweaking git repo https://github.com/kprotty/rwlock
[INFO] tweaked toml for git repo https://github.com/kprotty/rwlock written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kprotty/rwlock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b34100c9143ddbfcd295cc614312d7ed63472ea6dd2a90c663c5bf5f890f233
[INFO] running `Command { std: "docker" "start" "-a" "0b34100c9143ddbfcd295cc614312d7ed63472ea6dd2a90c663c5bf5f890f233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b34100c9143ddbfcd295cc614312d7ed63472ea6dd2a90c663c5bf5f890f233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b34100c9143ddbfcd295cc614312d7ed63472ea6dd2a90c663c5bf5f890f233", kill_on_drop: false }`
[INFO] [stdout] 0b34100c9143ddbfcd295cc614312d7ed63472ea6dd2a90c663c5bf5f890f233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dreturn-local-variable-ptr" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6663e290a651adc19a16f927d215460c85b337943dd13df36b79dbc58517aefe
[INFO] running `Command { std: "docker" "start" "-a" "6663e290a651adc19a16f927d215460c85b337943dd13df36b79dbc58517aefe", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/013e698288105a5cf69ff24ce03774325efd3294f725749ae46e6fc3084de87b/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "6663e290a651adc19a16f927d215460c85b337943dd13df36b79dbc58517aefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6663e290a651adc19a16f927d215460c85b337943dd13df36b79dbc58517aefe", kill_on_drop: false }`
[INFO] [stdout] 6663e290a651adc19a16f927d215460c85b337943dd13df36b79dbc58517aefe