[INFO] cloning repository https://github.com/elsueter/c_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elsueter/c_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felsueter%2Fc_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felsueter%2Fc_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acee76c91b4fd0f254efbca2bd854f261d1fa29d
[INFO] checking elsueter/c_compiler against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felsueter%2Fc_compiler" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elsueter/c_compiler
[INFO] finished tweaking git repo https://github.com/elsueter/c_compiler
[INFO] tweaked toml for git repo https://github.com/elsueter/c_compiler written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elsueter/c_compiler on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/elsueter/c_compiler 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" "+987a165cfab916796a8315782b83ac460a651ce2" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35f282ffac71912c79e94f4664cc5d89ae80d90ca83da9aed1a74d3061f3aff1
[INFO] running `Command { std: "docker" "start" "-a" "35f282ffac71912c79e94f4664cc5d89ae80d90ca83da9aed1a74d3061f3aff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35f282ffac71912c79e94f4664cc5d89ae80d90ca83da9aed1a74d3061f3aff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f282ffac71912c79e94f4664cc5d89ae80d90ca83da9aed1a74d3061f3aff1", kill_on_drop: false }`
[INFO] [stdout] 35f282ffac71912c79e94f4664cc5d89ae80d90ca83da9aed1a74d3061f3aff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbdf9b399a9bb1133dac7a8e82d56bba0ae5218b3fd0d994e7b084fa38d51d83
[INFO] running `Command { std: "docker" "start" "-a" "cbdf9b399a9bb1133dac7a8e82d56bba0ae5218b3fd0d994e7b084fa38d51d83", kill_on_drop: false }`
[INFO] [stderr]     Checking C-Compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |     let mut output: Vec<Statement> = vec![];
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |     let mut output: Vec<Statement> = vec![];
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `C-Compiler` (bin "C-Compiler"); 1 warning emitted
[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/987a165cfab916796a8315782b83ac460a651ce2/bin/rustc --crate-name C_Compiler --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=06a91672c00a48f5 -C extra-filename=-cf51907db2fd1008 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `C-Compiler` (bin "C-Compiler" test); 1 warning emitted
[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/987a165cfab916796a8315782b83ac460a651ce2/bin/rustc --crate-name C_Compiler --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=7a64fb903770091f -C extra-filename=-dfe338544924c623 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] running `Command { std: "docker" "inspect" "cbdf9b399a9bb1133dac7a8e82d56bba0ae5218b3fd0d994e7b084fa38d51d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdf9b399a9bb1133dac7a8e82d56bba0ae5218b3fd0d994e7b084fa38d51d83", kill_on_drop: false }`
[INFO] [stdout] cbdf9b399a9bb1133dac7a8e82d56bba0ae5218b3fd0d994e7b084fa38d51d83