[INFO] fetching crate nibblecode 0.1.0...
[INFO] building nibblecode-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate nibblecode 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nibblecode 0.1.0
[INFO] finished tweaking crates.io crate nibblecode 0.1.0
[INFO] tweaked toml for crates.io crate nibblecode 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nibblecode 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nibblecode 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9194581bce27082f93e30e3d989e730a8e81fbbc2ed239b7855aca33f775032d
[INFO] running `Command { std: "docker" "start" "-a" "9194581bce27082f93e30e3d989e730a8e81fbbc2ed239b7855aca33f775032d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9194581bce27082f93e30e3d989e730a8e81fbbc2ed239b7855aca33f775032d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9194581bce27082f93e30e3d989e730a8e81fbbc2ed239b7855aca33f775032d", kill_on_drop: false }`
[INFO] [stdout] 9194581bce27082f93e30e3d989e730a8e81fbbc2ed239b7855aca33f775032d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c2914e29b3034837c8cb2cfb7475051099edc3e7b93c985046eb4ec53ecac41
[INFO] running `Command { std: "docker" "start" "-a" "2c2914e29b3034837c8cb2cfb7475051099edc3e7b93c985046eb4ec53ecac41", kill_on_drop: false }`
[INFO] [stderr]    Compiling rend v0.5.2
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling nibblecode_derive v0.1.0
[INFO] [stderr]    Compiling nibblecode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "2c2914e29b3034837c8cb2cfb7475051099edc3e7b93c985046eb4ec53ecac41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2914e29b3034837c8cb2cfb7475051099edc3e7b93c985046eb4ec53ecac41", kill_on_drop: false }`
[INFO] [stdout] 2c2914e29b3034837c8cb2cfb7475051099edc3e7b93c985046eb4ec53ecac41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22755d2ed1ec36fd1bd1c8c0171ce5fe94da09ef0ec9bcfb47ea26d8de41538a
[INFO] running `Command { std: "docker" "start" "-a" "22755d2ed1ec36fd1bd1c8c0171ce5fe94da09ef0ec9bcfb47ea26d8de41538a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nibblecode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TupleFoo` is never constructed
[INFO] [stdout]    --> src/impls/mod.rs:386:14
[INFO] [stdout]     |
[INFO] [stdout] 386 |         pub struct TupleFoo<T = i32>(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 `StructFoo` is never constructed
[INFO] [stdout]    --> src/impls/mod.rs:390:14
[INFO] [stdout]     |
[INFO] [stdout] 390 |         pub struct StructFoo<T = i32> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EnumFoo` is never used
[INFO] [stdout]    --> src/impls/mod.rs:396:12
[INFO] [stdout]     |
[INFO] [stdout] 396 |         pub enum EnumFoo<T = i32> {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Array` is never constructed
[INFO] [stdout]    --> src/impls/mod.rs:414:14
[INFO] [stdout]     |
[INFO] [stdout] 414 |         pub struct Array<T, const N: usize>([T; N]);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Example` is never constructed
[INFO] [stdout]    --> src/impls/mod.rs:550:10
[INFO] [stdout]     |
[INFO] [stdout] 550 |         struct Example {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wrapper` is never constructed
[INFO] [stdout]    --> src/impls/mod.rs:558:10
[INFO] [stdout]     |
[INFO] [stdout] 558 |         struct Wrapper<T> {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Example` is never constructed
[INFO] [stdout]    --> src/impls/mod.rs:565:10
[INFO] [stdout]     |
[INFO] [stdout] 565 |         struct Example {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Test` is never constructed
[INFO] [stdout]    --> src/impls/mod.rs:576:10
[INFO] [stdout]     |
[INFO] [stdout] 576 |         struct Test<'a> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "22755d2ed1ec36fd1bd1c8c0171ce5fe94da09ef0ec9bcfb47ea26d8de41538a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22755d2ed1ec36fd1bd1c8c0171ce5fe94da09ef0ec9bcfb47ea26d8de41538a", kill_on_drop: false }`
[INFO] [stdout] 22755d2ed1ec36fd1bd1c8c0171ce5fe94da09ef0ec9bcfb47ea26d8de41538a
