[INFO] cloning repository https://github.com/tato/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tato/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftato%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftato%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8642c988799cb6d9a634cf1c3a8a540e7f5e3989
[INFO] checking tato/lox against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftato%2Flox" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tato/lox on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tato/lox
[INFO] finished tweaking git repo https://github.com/tato/lox
[INFO] tweaked toml for git repo https://github.com/tato/lox written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tato/lox 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc5b0ea1b800e441b03fe0403e54a1837719d8245d11d62c5b6ef40bfdbd6900
[INFO] running `Command { std: "docker" "start" "-a" "bc5b0ea1b800e441b03fe0403e54a1837719d8245d11d62c5b6ef40bfdbd6900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5b0ea1b800e441b03fe0403e54a1837719d8245d11d62c5b6ef40bfdbd6900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5b0ea1b800e441b03fe0403e54a1837719d8245d11d62c5b6ef40bfdbd6900", kill_on_drop: false }`
[INFO] [stdout] bc5b0ea1b800e441b03fe0403e54a1837719d8245d11d62c5b6ef40bfdbd6900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45527f09cac270eaa71191ce6c307f4d02611c852da2f5f612a08853634400e
[INFO] running `Command { std: "docker" "start" "-a" "f45527f09cac270eaa71191ce6c307f4d02611c852da2f5f612a08853634400e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir/tree_walk_lox)
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> tree_walk_lox/src/ast.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Return {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 72 |         keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> tree_walk_lox/src/parser.rs:568:5
[INFO] [stdout]     |
[INFO] [stdout] 567 | pub struct ParserError {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 568 |     token: Token,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> tree_walk_lox/src/ast.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Return {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 72 |         keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> tree_walk_lox/src/parser.rs:568:5
[INFO] [stdout]     |
[INFO] [stdout] 567 | pub struct ParserError {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 568 |     token: Token,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lox_proc_macros v0.1.0 (/opt/rustwide/workdir/lox_proc_macros)
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/8a65ee08296b36342bf7c3cdc15312ccbc357227/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.71/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=7b38cc017ca0c7b1 -C extra-filename=-2a198707123a8319 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3a21d15856e52e77.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-768eeac6ed927ecd.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-467b3a2737902552.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "f45527f09cac270eaa71191ce6c307f4d02611c852da2f5f612a08853634400e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45527f09cac270eaa71191ce6c307f4d02611c852da2f5f612a08853634400e", kill_on_drop: false }`
[INFO] [stdout] f45527f09cac270eaa71191ce6c307f4d02611c852da2f5f612a08853634400e
