[INFO] cloning repository https://github.com/xermicus/visito
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xermicus/visito" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/xermicus/visito
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xermicus/visito" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/xermicus/visito
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xermicus/visito" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-rebase.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito/hooks/pre-rebase.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/xermicus/visito
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xermicus/visito" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e44d42479b658d5edf43f095e2446bc162b0fa83
[INFO] checking xermicus/visito against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxermicus%2Fvisito" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xermicus/visito on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xermicus/visito
[INFO] finished tweaking git repo https://github.com/xermicus/visito
[INFO] tweaked toml for git repo https://github.com/xermicus/visito written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xermicus/visito 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" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b6d9df9f1ba0b950f33a254bcc443615eeb67603cd88586ef288357f5856540
[INFO] running `Command { std: "docker" "start" "-a" "7b6d9df9f1ba0b950f33a254bcc443615eeb67603cd88586ef288357f5856540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6d9df9f1ba0b950f33a254bcc443615eeb67603cd88586ef288357f5856540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6d9df9f1ba0b950f33a254bcc443615eeb67603cd88586ef288357f5856540", kill_on_drop: false }`
[INFO] [stdout] 7b6d9df9f1ba0b950f33a254bcc443615eeb67603cd88586ef288357f5856540
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f503068ced4fd5db5e52deb0556b99030e6b64f571276a604b4cd18f682ac72
[INFO] running `Command { std: "docker" "start" "-a" "6f503068ced4fd5db5e52deb0556b99030e6b64f571276a604b4cd18f682ac72", kill_on_drop: false }`
[INFO] [stderr]     Checking visito v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     IntLit(i64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     IntLit(i64),
[INFO] [stdout] 40 +     IntLit(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     IntLit(i64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     IntLit(i64),
[INFO] [stdout] 40 +     IntLit(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "6f503068ced4fd5db5e52deb0556b99030e6b64f571276a604b4cd18f682ac72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f503068ced4fd5db5e52deb0556b99030e6b64f571276a604b4cd18f682ac72", kill_on_drop: false }`
[INFO] [stdout] 6f503068ced4fd5db5e52deb0556b99030e6b64f571276a604b4cd18f682ac72