[INFO] cloning repository https://github.com/tape4/rustc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tape4/rustc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftape4%2Frustc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftape4%2Frustc'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftape4%2Frustc/branches/: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/tape4/rustc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tape4/rustc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftape4%2Frustc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftape4%2Frustc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1abe216f4164e46b1aefe2ddf48db76645a6da32
[INFO] checking tape4/rustc against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftape4%2Frustc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tape4/rustc
[INFO] finished tweaking git repo https://github.com/tape4/rustc
[INFO] tweaked toml for git repo https://github.com/tape4/rustc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tape4/rustc on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tape4/rustc 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f21eedb09cc8f2edfd38697916c51b4ed1df81d6c8e0110cee9dd09daf635bc
[INFO] running `Command { std: "docker" "start" "-a" "2f21eedb09cc8f2edfd38697916c51b4ed1df81d6c8e0110cee9dd09daf635bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f21eedb09cc8f2edfd38697916c51b4ed1df81d6c8e0110cee9dd09daf635bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f21eedb09cc8f2edfd38697916c51b4ed1df81d6c8e0110cee9dd09daf635bc", kill_on_drop: false }`
[INFO] [stdout] 2f21eedb09cc8f2edfd38697916c51b4ed1df81d6c8e0110cee9dd09daf635bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a2ff44bb935d0b763b445e23af41b04d8433e9f89394ed1274eb4f40c9c6f15
[INFO] running `Command { std: "docker" "start" "-a" "6a2ff44bb935d0b763b445e23af41b04d8433e9f89394ed1274eb4f40c9c6f15", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc_tape4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rustc_tape4-6d1e314ae8b9e60f.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rustc_tape4-6d1e314ae8b9e60f/dep-test-bin-rustc_tape4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rustc_tape4-a8f12d3577047117.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rustc_tape4-a8f12d3577047117/dep-bin-rustc_tape4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] warning: unused import: `AssignOp`
[INFO] [stdout]  --> tests/parser/unit_tests/function_tests.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rustc_tape4::ast::expr::{AssignOp, BinaryOp};
[INFO] [stdout]   |                              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `then_branch`
[INFO] [stdout]    --> tests/parser/unit_tests/function_tests.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         then_branch,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: try ignoring the field: `then_branch: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]    --> tests/parser/unit_tests/function_tests.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 lhs,
[INFO] [stdout]     |                 ^^^ help: try ignoring the field: `lhs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> tests/parser/unit_tests/function_tests.rs:245:43
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 if let Expr::Call { func, args } = &**rhs {
[INFO] [stdout]     |                                           ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a2ff44bb935d0b763b445e23af41b04d8433e9f89394ed1274eb4f40c9c6f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2ff44bb935d0b763b445e23af41b04d8433e9f89394ed1274eb4f40c9c6f15", kill_on_drop: false }`
[INFO] [stdout] 6a2ff44bb935d0b763b445e23af41b04d8433e9f89394ed1274eb4f40c9c6f15