[INFO] cloning repository https://github.com/borrom-dev/tos-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/borrom-dev/tos-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fborrom-dev%2Ftos-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fborrom-dev%2Ftos-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82316b8a9a9e5789b0127f53024478c317b3c7f8
[INFO] checking borrom-dev/tos-rust against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fborrom-dev%2Ftos-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/borrom-dev/tos-rust
[INFO] finished tweaking git repo https://github.com/borrom-dev/tos-rust
[INFO] tweaked toml for git repo https://github.com/borrom-dev/tos-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/borrom-dev/tos-rust on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/borrom-dev/tos-rust 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a2b5163e67698ebfa307db2646d977760a6f1546250ca057c55fe74816e1538
[INFO] running `Command { std: "docker" "start" "-a" "5a2b5163e67698ebfa307db2646d977760a6f1546250ca057c55fe74816e1538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2b5163e67698ebfa307db2646d977760a6f1546250ca057c55fe74816e1538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2b5163e67698ebfa307db2646d977760a6f1546250ca057c55fe74816e1538", kill_on_drop: false }`
[INFO] [stdout] 5a2b5163e67698ebfa307db2646d977760a6f1546250ca057c55fe74816e1538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c41bc933a11d9028ad3abf946009ba18d0b9cced026b88120141065f2fa540a0
[INFO] running `Command { std: "docker" "start" "-a" "c41bc933a11d9028ad3abf946009ba18d0b9cced026b88120141065f2fa540a0", kill_on_drop: false }`
[INFO] [stderr]     Checking rs-macro v0.1.0 (/opt/rustwide/workdir/rs-macro)
[INFO] [stderr]     Checking basic v0.1.0 (/opt/rustwide/workdir/basic)
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/ownership)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> ownership/src/rs_owner.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut x = 32;
[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]  --> ownership/src/rs_owner.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut y = x;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tos-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/tos-rust-aa70b0b3051a6f00/bin-tos-rust.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "c41bc933a11d9028ad3abf946009ba18d0b9cced026b88120141065f2fa540a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41bc933a11d9028ad3abf946009ba18d0b9cced026b88120141065f2fa540a0", kill_on_drop: false }`
[INFO] [stdout] c41bc933a11d9028ad3abf946009ba18d0b9cced026b88120141065f2fa540a0