[INFO] fetching crate postcard-dyn 0.2.0...
[INFO] checking postcard-dyn-0.2.0 against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] extracting crate postcard-dyn 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate postcard-dyn 0.2.0 on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postcard-dyn 0.2.0
[INFO] finished tweaking crates.io crate postcard-dyn 0.2.0
[INFO] tweaked toml for crates.io crate postcard-dyn 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9164ea15a82b8d17080336a6cdeb5ad04e0dfa1eaa8c899d41e8c81ddf21770e
[INFO] running `Command { std: "docker" "start" "-a" "9164ea15a82b8d17080336a6cdeb5ad04e0dfa1eaa8c899d41e8c81ddf21770e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9164ea15a82b8d17080336a6cdeb5ad04e0dfa1eaa8c899d41e8c81ddf21770e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9164ea15a82b8d17080336a6cdeb5ad04e0dfa1eaa8c899d41e8c81ddf21770e", kill_on_drop: false }`
[INFO] [stdout] 9164ea15a82b8d17080336a6cdeb5ad04e0dfa1eaa8c899d41e8c81ddf21770e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ab0fa69fa6d0d2615308ca055b04657e7bb93be761fea244918babb26be7be
[INFO] running `Command { std: "docker" "start" "-a" "28ab0fa69fa6d0d2615308ca055b04657e7bb93be761fea244918babb26be7be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libsyn-bc9c7611d06526c3.rlib`: 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" "28ab0fa69fa6d0d2615308ca055b04657e7bb93be761fea244918babb26be7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ab0fa69fa6d0d2615308ca055b04657e7bb93be761fea244918babb26be7be", kill_on_drop: false }`
[INFO] [stdout] 28ab0fa69fa6d0d2615308ca055b04657e7bb93be761fea244918babb26be7be