[INFO] cloning repository https://github.com/linkcheng/rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linkcheng/rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/linkcheng/rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linkcheng/rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/linkcheng/rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linkcheng/rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/linkcheng/rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linkcheng/rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa47f8ec2a03e71effe87d879354dd4f5e5d70be
[INFO] checking linkcheng/rust_demo against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkcheng%2Frust_demo" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linkcheng/rust_demo on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/linkcheng/rust_demo
[INFO] finished tweaking git repo https://github.com/linkcheng/rust_demo
[INFO] tweaked toml for git repo https://github.com/linkcheng/rust_demo written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/linkcheng/rust_demo 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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31a224d7f5d4a7099b1cb12356cdf20f194656e74eaa9508c7903610a2097af6
[INFO] running `Command { std: "docker" "start" "-a" "31a224d7f5d4a7099b1cb12356cdf20f194656e74eaa9508c7903610a2097af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a224d7f5d4a7099b1cb12356cdf20f194656e74eaa9508c7903610a2097af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a224d7f5d4a7099b1cb12356cdf20f194656e74eaa9508c7903610a2097af6", kill_on_drop: false }`
[INFO] [stdout] 31a224d7f5d4a7099b1cb12356cdf20f194656e74eaa9508c7903610a2097af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e6048ea09b22625b5a8249e11a2f36b52dc64515eaa82801bd095602cccc85
[INFO] running `Command { std: "docker" "start" "-a" "e4e6048ea09b22625b5a8249e11a2f36b52dc64515eaa82801bd095602cccc85", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking trait_demo v0.1.0 (/opt/rustwide/workdir/trait_demo)
[INFO] [stderr]     Checking area_demo v0.1.0 (/opt/rustwide/workdir/area_demo)
[INFO] [stderr]     Checking sort_demo v0.1.0 (/opt/rustwide/workdir/sort_demo)
[INFO] [stderr]     Checking trafficlight_demo v0.1.0 (/opt/rustwide/workdir/trafficlight_demo)
[INFO] [stderr]     Checking sum_demo v0.1.0 (/opt/rustwide/workdir/sum_demo)
[INFO] [stderr]     Checking world_hello v0.1.0 (/opt/rustwide/workdir/world_hello)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> world_hello/src/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let &a= r;
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> world_hello/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let ref a= r;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> world_hello/src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let a= &r;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/world_hello-65901fb58ac67184.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/world_hello-65901fb58ac67184/dep-bin-world_hello`
[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/sort_demo-bf1aa4fdd5834f4c.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/sort_demo-bf1aa4fdd5834f4c/dep-test-bin-sort_demo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> world_hello/src/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let &a= r;
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> world_hello/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let ref a= r;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> world_hello/src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let a= &r;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaGhqatg"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trafficlight_demo` (bin "trafficlight_demo" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e4e6048ea09b22625b5a8249e11a2f36b52dc64515eaa82801bd095602cccc85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e6048ea09b22625b5a8249e11a2f36b52dc64515eaa82801bd095602cccc85", kill_on_drop: false }`
[INFO] [stdout] e4e6048ea09b22625b5a8249e11a2f36b52dc64515eaa82801bd095602cccc85