[INFO] cloning repository https://github.com/omerahmer/linked-lists-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omerahmer/linked-lists-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust/hooks/pre-receive.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/omerahmer/linked-lists-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omerahmer/linked-lists-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust'...
[INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/omerahmer/linked-lists-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omerahmer/linked-lists-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406c3809d993c64ec1759abdfec61572d67acd17
[INFO] checking omerahmer/linked-lists-rust against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/omerahmer/linked-lists-rust on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/omerahmer/linked-lists-rust
[INFO] finished tweaking git repo https://github.com/omerahmer/linked-lists-rust
[INFO] tweaked toml for git repo https://github.com/omerahmer/linked-lists-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/omerahmer/linked-lists-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" "+613bdd49978298648ed05ace086bd1ecad54b44a" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 216fe509f37730bb5a05b9aedc77e9d910c01a897e2291fe76de8660f021d94c
[INFO] running `Command { std: "docker" "start" "-a" "216fe509f37730bb5a05b9aedc77e9d910c01a897e2291fe76de8660f021d94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "216fe509f37730bb5a05b9aedc77e9d910c01a897e2291fe76de8660f021d94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216fe509f37730bb5a05b9aedc77e9d910c01a897e2291fe76de8660f021d94c", kill_on_drop: false }`
[INFO] [stdout] 216fe509f37730bb5a05b9aedc77e9d910c01a897e2291fe76de8660f021d94c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e856f6eccf8316f29b732a1482179f7c6530010a3e6d3d548c261c2e6b46fe43
[INFO] running `Command { std: "docker" "start" "-a" "e856f6eccf8316f29b732a1482179f7c6530010a3e6d3d548c261c2e6b46fe43", kill_on_drop: false }`
[INFO] [stderr]     Checking lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/first.rs:47:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 self.head = node.next;
[INFO] [stdout]    |                 ---------   ^^^^^^^^^ expected `Link`, found `List`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected due to the type of this binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/first.rs:47:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 self.head = node.next;
[INFO] [stdout]    |                 ---------   ^^^^^^^^^ expected `Link`, found `List`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected due to the type of this binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lists` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lists` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e856f6eccf8316f29b732a1482179f7c6530010a3e6d3d548c261c2e6b46fe43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e856f6eccf8316f29b732a1482179f7c6530010a3e6d3d548c261c2e6b46fe43", kill_on_drop: false }`
[INFO] [stdout] e856f6eccf8316f29b732a1482179f7c6530010a3e6d3d548c261c2e6b46fe43