[INFO] fetching crate zng-wr-malloc-size-of 0.2.0...
[INFO] checking zng-wr-malloc-size-of-0.2.0 against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] extracting crate zng-wr-malloc-size-of 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zng-wr-malloc-size-of 0.2.0
[INFO] finished tweaking crates.io crate zng-wr-malloc-size-of 0.2.0
[INFO] tweaked toml for crates.io crate zng-wr-malloc-size-of 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zng-wr-malloc-size-of 0.2.0 on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zng-wr-malloc-size-of 0.2.0 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 055907f2281dc95373d565e4e4d12e4ae6206898cff66ded1db9d8a2c1bcc6c7
[INFO] running `Command { std: "docker" "start" "-a" "055907f2281dc95373d565e4e4d12e4ae6206898cff66ded1db9d8a2c1bcc6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "055907f2281dc95373d565e4e4d12e4ae6206898cff66ded1db9d8a2c1bcc6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055907f2281dc95373d565e4e4d12e4ae6206898cff66ded1db9d8a2c1bcc6c7", kill_on_drop: false }`
[INFO] [stdout] 055907f2281dc95373d565e4e4d12e4ae6206898cff66ded1db9d8a2c1bcc6c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2b2639a45068f3d6989d357579788177e791378f284c4de0631328c7e20e871
[INFO] running `Command { std: "docker" "start" "-a" "a2b2639a45068f3d6989d357579788177e791378f284c4de0631328c7e20e871", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking euclid v0.22.11
[INFO] [stdout] error: failed to write /tmp/rustcjsjb2e/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" "a2b2639a45068f3d6989d357579788177e791378f284c4de0631328c7e20e871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b2639a45068f3d6989d357579788177e791378f284c4de0631328c7e20e871", kill_on_drop: false }`
[INFO] [stdout] a2b2639a45068f3d6989d357579788177e791378f284c4de0631328c7e20e871