[INFO] fetching crate unicount-lib 0.1.2...
[INFO] checking unicount-lib-0.1.2 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] extracting crate unicount-lib 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate unicount-lib 0.1.2 on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicount-lib 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate unicount-lib 0.1.2
[INFO] tweaked toml for crates.io crate unicount-lib 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate unicount-lib 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" "+af54b6062f33b99e418444700f3a823ef0214052" "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-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34a3772363ef15b3dceff597f161ca5980a8ea9e27bcea71de8ee0338d51e7a8
[INFO] running `Command { std: "docker" "start" "-a" "34a3772363ef15b3dceff597f161ca5980a8ea9e27bcea71de8ee0338d51e7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a3772363ef15b3dceff597f161ca5980a8ea9e27bcea71de8ee0338d51e7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a3772363ef15b3dceff597f161ca5980a8ea9e27bcea71de8ee0338d51e7a8", kill_on_drop: false }`
[INFO] [stdout] 34a3772363ef15b3dceff597f161ca5980a8ea9e27bcea71de8ee0338d51e7a8
[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" "-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0629d7b54386cfa32b78f1c2f4557658ff71a13f1710ac2205e1e2cea5fb69d
[INFO] running `Command { std: "docker" "start" "-a" "b0629d7b54386cfa32b78f1c2f4557658ff71a13f1710ac2205e1e2cea5fb69d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.30
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libsyn-0562fe5c0636d377.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" "b0629d7b54386cfa32b78f1c2f4557658ff71a13f1710ac2205e1e2cea5fb69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0629d7b54386cfa32b78f1c2f4557658ff71a13f1710ac2205e1e2cea5fb69d", kill_on_drop: false }`
[INFO] [stdout] b0629d7b54386cfa32b78f1c2f4557658ff71a13f1710ac2205e1e2cea5fb69d