[INFO] cloning repository https://github.com/informalsystems/cgp-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/informalsystems/cgp-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finformalsystems%2Fcgp-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finformalsystems%2Fcgp-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aa12ffe9da8ac77d4e7962beba601aed03af4d3
[INFO] checking informalsystems/cgp-workshop against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finformalsystems%2Fcgp-workshop" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/informalsystems/cgp-workshop
[INFO] finished tweaking git repo https://github.com/informalsystems/cgp-workshop
[INFO] tweaked toml for git repo https://github.com/informalsystems/cgp-workshop written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/informalsystems/cgp-workshop on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/informalsystems/cgp-workshop 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/informalsystems/cgp.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5ea80898e0f6c4479501610a1e9a395506e23212c9414665a0fd947963dee2d
[INFO] running `Command { std: "docker" "start" "-a" "b5ea80898e0f6c4479501610a1e9a395506e23212c9414665a0fd947963dee2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5ea80898e0f6c4479501610a1e9a395506e23212c9414665a0fd947963dee2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ea80898e0f6c4479501610a1e9a395506e23212c9414665a0fd947963dee2d", kill_on_drop: false }`
[INFO] [stdout] b5ea80898e0f6c4479501610a1e9a395506e23212c9414665a0fd947963dee2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 930beed8fffc7e95d2bbabb84ad8ce31ce57ae54bb3304021f999a61eb796135
[INFO] running `Command { std: "docker" "start" "-a" "930beed8fffc7e95d2bbabb84ad8ce31ce57ae54bb3304021f999a61eb796135", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling cgp-component-macro v0.1.0 (https://github.com/informalsystems/cgp.git?branch=main#a7559d37)
[INFO] [stderr]     Checking cgp-async v0.1.0 (https://github.com/informalsystems/cgp.git?branch=main#a7559d37)
[INFO] [stderr]     Checking cgp-component v0.1.0 (https://github.com/informalsystems/cgp.git?branch=main#a7559d37)
[INFO] [stderr]     Checking cgp-error v0.1.0 (https://github.com/informalsystems/cgp.git?branch=main#a7559d37)
[INFO] [stderr]     Checking cgp-run v0.1.0 (https://github.com/informalsystems/cgp.git?branch=main#a7559d37)
[INFO] [stderr]     Checking cgp-core v0.1.0 (https://github.com/informalsystems/cgp.git?branch=main#a7559d37)
[INFO] [stderr]     Checking cgp-tutorial v0.1.0 (/opt/rustwide/workdir/tutorial)
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c03.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Foo<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c03.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Baz` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c03.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Baz<T>(pub T, pub u32);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c04.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Foo<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c04.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Baz` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c04.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Baz<T>(pub T, pub u32);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c05.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct Foo<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c05.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Baz` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c05.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct Baz<T>(pub T, pub u32);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c06.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Foo<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c06.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Baz` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c06.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Baz<T>(pub T, pub u32);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c07.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Foo<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c07.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c03.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Foo<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c03.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> tutorial/src/tutorials/c03.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Baz<T>(pub T, pub u32);
[INFO] [stdout]    |        ---           ^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c04.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Baz` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c04.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Baz<T>(pub T, pub u32);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c05.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Baz` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c05.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct Baz<T>(pub T, pub u32);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c06.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Bar<T>(pub T);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Baz` is never constructed
[INFO] [stdout]   --> tutorial/src/tutorials/c06.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Baz<T>(pub T, pub u32);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.53s
[INFO] running `Command { std: "docker" "inspect" "930beed8fffc7e95d2bbabb84ad8ce31ce57ae54bb3304021f999a61eb796135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930beed8fffc7e95d2bbabb84ad8ce31ce57ae54bb3304021f999a61eb796135", kill_on_drop: false }`
[INFO] [stdout] 930beed8fffc7e95d2bbabb84ad8ce31ce57ae54bb3304021f999a61eb796135