[INFO] cloning repository https://github.com/jermsam/rust-structs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jermsam/rust-structs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjermsam%2Frust-structs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjermsam%2Frust-structs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e20ef0804f1d70133650b56c744ac5a595dbfa89
[INFO] checking jermsam/rust-structs against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjermsam%2Frust-structs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jermsam/rust-structs
[INFO] finished tweaking git repo https://github.com/jermsam/rust-structs
[INFO] tweaked toml for git repo https://github.com/jermsam/rust-structs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jermsam/rust-structs on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jermsam/rust-structs 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40d16e135f2b019c7e74d8bd4cd4ca1f0a54b1e657bf7106873b9d2294ba2b83
[INFO] running `Command { std: "docker" "start" "-a" "40d16e135f2b019c7e74d8bd4cd4ca1f0a54b1e657bf7106873b9d2294ba2b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40d16e135f2b019c7e74d8bd4cd4ca1f0a54b1e657bf7106873b9d2294ba2b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d16e135f2b019c7e74d8bd4cd4ca1f0a54b1e657bf7106873b9d2294ba2b83", kill_on_drop: false }`
[INFO] [stdout] 40d16e135f2b019c7e74d8bd4cd4ca1f0a54b1e657bf7106873b9d2294ba2b83
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 299ff3c3871ddf75cbe3fe6def7f77f637e1dee6914056ff4a71e0771d5403fb
[INFO] running `Command { std: "docker" "start" "-a" "299ff3c3871ddf75cbe3fe6def7f77f637e1dee6914056ff4a71e0771d5403fb", kill_on_drop: false }`
[INFO] [stderr]     Checking structs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/main.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Color(i32, i32, i32);
[INFO] [stdout]    |        -----      ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `2` are never read
[INFO] [stdout]   --> src/main.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct Point(i32, i32, i32);
[INFO] [stdout]    |        ----- ^^^       ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 85 - struct Point(i32, i32, i32);
[INFO] [stdout] 85 + struct Point((), i32, ());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]   --> src/main.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Color(i32, i32, i32);
[INFO] [stdout]    |        -----      ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `2` are never read
[INFO] [stdout]   --> src/main.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct Point(i32, i32, i32);
[INFO] [stdout]    |        ----- ^^^       ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 85 - struct Point(i32, i32, i32);
[INFO] [stdout] 85 + struct Point((), i32, ());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/structs-a01d1b2bc2fef846.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/structs-a01d1b2bc2fef846/dep-test-bin-structs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "299ff3c3871ddf75cbe3fe6def7f77f637e1dee6914056ff4a71e0771d5403fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "299ff3c3871ddf75cbe3fe6def7f77f637e1dee6914056ff4a71e0771d5403fb", kill_on_drop: false }`
[INFO] [stdout] 299ff3c3871ddf75cbe3fe6def7f77f637e1dee6914056ff4a71e0771d5403fb