[INFO] fetching crate proc-macro-crate 3.3.0...
[INFO] checking proc-macro-crate-3.3.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate proc-macro-crate 3.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate proc-macro-crate 3.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proc-macro-crate 3.3.0
[INFO] tweaked toml for crates.io crate proc-macro-crate 3.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro-crate 3.3.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proc-macro-crate 3.3.0 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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking proc-macro-crate-3.3.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate proc-macro-crate 3.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate proc-macro-crate 3.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proc-macro-crate 3.3.0
[INFO] tweaked toml for crates.io crate proc-macro-crate 3.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro-crate 3.3.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proc-macro-crate 3.3.0 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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06318f7ab196b15657a7f04357a6b753ee516c6901db61d92ffa0d7fcc7e64e6
[INFO] running `Command { std: "docker" "start" "-a" "06318f7ab196b15657a7f04357a6b753ee516c6901db61d92ffa0d7fcc7e64e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06318f7ab196b15657a7f04357a6b753ee516c6901db61d92ffa0d7fcc7e64e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06318f7ab196b15657a7f04357a6b753ee516c6901db61d92ffa0d7fcc7e64e6", kill_on_drop: false }`
[INFO] [stdout] 06318f7ab196b15657a7f04357a6b753ee516c6901db61d92ffa0d7fcc7e64e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/649ab7b1fd303e08ad5f2b52f1eb55393fc854498c9be4ddd44f6fbab84644a7-init/merged: no space left on device