[INFO] fetching crate multipart-stream 0.1.2...
[INFO] checking multipart-stream-0.1.2 against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] extracting crate multipart-stream 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate multipart-stream 0.1.2
[INFO] finished tweaking crates.io crate multipart-stream 0.1.2
[INFO] tweaked toml for crates.io crate multipart-stream 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multipart-stream 0.1.2 on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate multipart-stream 0.1.2 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff014d019c80ac65c48fe4029ca71c9eae2be1ef71e9012e7bd28e3682e22ef1
[INFO] running `Command { std: "docker" "start" "-a" "ff014d019c80ac65c48fe4029ca71c9eae2be1ef71e9012e7bd28e3682e22ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff014d019c80ac65c48fe4029ca71c9eae2be1ef71e9012e7bd28e3682e22ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff014d019c80ac65c48fe4029ca71c9eae2be1ef71e9012e7bd28e3682e22ef1", kill_on_drop: false }`
[INFO] [stdout] ff014d019c80ac65c48fe4029ca71c9eae2be1ef71e9012e7bd28e3682e22ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4117f522f06e87d2de761a28fc739a7020246db7b94ead0bb75cc8df72ca30a
[INFO] running `Command { std: "docker" "start" "-a" "f4117f522f06e87d2de761a28fc739a7020246db7b94ead0bb75cc8df72ca30a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stdout] error: failed to write /tmp/rustc1FV9oa/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f4117f522f06e87d2de761a28fc739a7020246db7b94ead0bb75cc8df72ca30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4117f522f06e87d2de761a28fc739a7020246db7b94ead0bb75cc8df72ca30a", kill_on_drop: false }`
[INFO] [stdout] f4117f522f06e87d2de761a28fc739a7020246db7b94ead0bb75cc8df72ca30a