[INFO] cloning repository https://github.com/wbprice/tasks-and-subtasks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wbprice/tasks-and-subtasks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprice%2Ftasks-and-subtasks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprice%2Ftasks-and-subtasks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 393e032b849e600918a5cccfca95ec192811ef4b
[INFO] building wbprice/tasks-and-subtasks against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprice%2Ftasks-and-subtasks" "/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/wbprice/tasks-and-subtasks on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wbprice/tasks-and-subtasks
[INFO] finished tweaking git repo https://github.com/wbprice/tasks-and-subtasks
[INFO] tweaked toml for git repo https://github.com/wbprice/tasks-and-subtasks written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wbprice/tasks-and-subtasks 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14a02e0f71ee62c181b61259eb7d07fdbcac4f8fac120a92de84449b66f36454
[INFO] running `Command { std: "docker" "start" "-a" "14a02e0f71ee62c181b61259eb7d07fdbcac4f8fac120a92de84449b66f36454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14a02e0f71ee62c181b61259eb7d07fdbcac4f8fac120a92de84449b66f36454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a02e0f71ee62c181b61259eb7d07fdbcac4f8fac120a92de84449b66f36454", kill_on_drop: false }`
[INFO] [stdout] 14a02e0f71ee62c181b61259eb7d07fdbcac4f8fac120a92de84449b66f36454
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c686f81b953b9bf83577362254d395c391a794233b8d5fe23b9fc263aeb5b780
[INFO] running `Command { std: "docker" "start" "-a" "c686f81b953b9bf83577362254d395c391a794233b8d5fe23b9fc263aeb5b780", kill_on_drop: false }`
[INFO] [stderr]    Compiling tasks-and-subtasks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `GoToStore` and `Play` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Activity {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     GoToStore,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     GoToWork,
[INFO] [stdout] 5 |     Play
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Activity` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Step` and `Kick` are never constructed
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Subactivity {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 10 |     Step,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     Jump,
[INFO] [stdout] 12 |     Kick,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Subactivity` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `activity` is never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Task {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 18 |     activity: Activity,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Task` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `subactivity` is never read
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Subtask {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 33 |     subactivity: Subactivity
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Subtask` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c686f81b953b9bf83577362254d395c391a794233b8d5fe23b9fc263aeb5b780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c686f81b953b9bf83577362254d395c391a794233b8d5fe23b9fc263aeb5b780", kill_on_drop: false }`
[INFO] [stdout] c686f81b953b9bf83577362254d395c391a794233b8d5fe23b9fc263aeb5b780
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b22205025973a5f399de3dacd1fdf9bbd148f0474b83cb7749b383c7de0a1c92
[INFO] running `Command { std: "docker" "start" "-a" "b22205025973a5f399de3dacd1fdf9bbd148f0474b83cb7749b383c7de0a1c92", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/b22205025973a5f399de3dacd1fdf9bbd148f0474b83cb7749b383c7de0a1c92/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "b22205025973a5f399de3dacd1fdf9bbd148f0474b83cb7749b383c7de0a1c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22205025973a5f399de3dacd1fdf9bbd148f0474b83cb7749b383c7de0a1c92", kill_on_drop: false }`
[INFO] [stdout] b22205025973a5f399de3dacd1fdf9bbd148f0474b83cb7749b383c7de0a1c92