[INFO] cloning repository https://github.com/chirdeeptomar/rust-datastructures-alogorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chirdeeptomar/rust-datastructures-alogorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirdeeptomar%2Frust-datastructures-alogorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirdeeptomar%2Frust-datastructures-alogorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99ffcec56418567de055efeffabbe951b6f3cf87
[INFO] checking chirdeeptomar/rust-datastructures-alogorithms against master#e43d139a82620a268d3828a73e12a8679339e8f8 for pr-143545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirdeeptomar%2Frust-datastructures-alogorithms" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chirdeeptomar/rust-datastructures-alogorithms
[INFO] finished tweaking git repo https://github.com/chirdeeptomar/rust-datastructures-alogorithms
[INFO] tweaked toml for git repo https://github.com/chirdeeptomar/rust-datastructures-alogorithms written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chirdeeptomar/rust-datastructures-alogorithms on toolchain e43d139a82620a268d3828a73e12a8679339e8f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chirdeeptomar/rust-datastructures-alogorithms 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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbb0a082c546dd5d9e664a4b77dd0182d866fe413e5831ba7eca65e0d0ead0fa
[INFO] running `Command { std: "docker" "start" "-a" "dbb0a082c546dd5d9e664a4b77dd0182d866fe413e5831ba7eca65e0d0ead0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbb0a082c546dd5d9e664a4b77dd0182d866fe413e5831ba7eca65e0d0ead0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb0a082c546dd5d9e664a4b77dd0182d866fe413e5831ba7eca65e0d0ead0fa", kill_on_drop: false }`
[INFO] [stdout] dbb0a082c546dd5d9e664a4b77dd0182d866fe413e5831ba7eca65e0d0ead0fa
[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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c445d66af23b85590c7678006bac5423f6d8a3a3e1bb25603fa572781dd5e22
[INFO] running `Command { std: "docker" "start" "-a" "6c445d66af23b85590c7678006bac5423f6d8a3a3e1bb25603fa572781dd5e22", kill_on_drop: false }`
[INFO] [stderr]     Checking ds_algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `value` and `next` are never read
[INFO] [stdout]  --> src/data_structure.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node<T> {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     value: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     next: Option<Box<Node<T>>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `next` are never read
[INFO] [stdout]  --> src/data_structure.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node<T> {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     value: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     next: Option<Box<Node<T>>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/ds_algos-20f54071845b4abb/test-bin-ds_algos`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "6c445d66af23b85590c7678006bac5423f6d8a3a3e1bb25603fa572781dd5e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c445d66af23b85590c7678006bac5423f6d8a3a3e1bb25603fa572781dd5e22", kill_on_drop: false }`
[INFO] [stdout] 6c445d66af23b85590c7678006bac5423f6d8a3a3e1bb25603fa572781dd5e22