[INFO] fetching crate asserter 0.1.0...
[INFO] checking asserter-0.1.0 against try#f93f9bd1edfdb032bbf1c02773329541b22aa5a7 for pr-150727-1
[INFO] extracting crate asserter 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate asserter 0.1.0
[INFO] finished tweaking crates.io crate asserter 0.1.0
[INFO] tweaked toml for crates.io crate asserter 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asserter 0.1.0 on toolchain f93f9bd1edfdb032bbf1c02773329541b22aa5a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e722c4817a519abc6287f182c86614303f154ac1f19ffd6f33c8739fd8d06f7
[INFO] running `Command { std: "docker" "start" "-a" "7e722c4817a519abc6287f182c86614303f154ac1f19ffd6f33c8739fd8d06f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e722c4817a519abc6287f182c86614303f154ac1f19ffd6f33c8739fd8d06f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e722c4817a519abc6287f182c86614303f154ac1f19ffd6f33c8739fd8d06f7", kill_on_drop: false }`
[INFO] [stdout] 7e722c4817a519abc6287f182c86614303f154ac1f19ffd6f33c8739fd8d06f7
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2298bfb08fa274635a5d82eb77b224beeefee6760fa4e62e46d8789148a3d70a
[INFO] running `Command { std: "docker" "start" "-a" "2298bfb08fa274635a5d82eb77b224beeefee6760fa4e62e46d8789148a3d70a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling asserter-macros v0.1.0
[INFO] [stderr]     Checking asserter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[should_panic]` should only be applied to functions annotated with `#[test]` or `#[bench]`
[INFO] [stdout]   --> tests/unwrap.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[should_panic]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> tests/unwrap.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |     unwrap!(foo as Some(foo));
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> tests/unwrap.rs:72:36
[INFO] [stdout]    |
[INFO] [stdout] 72 |     unwrap!(foo, Complex::Struct { foo, bar });
[INFO] [stdout]    |                                    ^^^ help: try ignoring the field: `foo: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar`
[INFO] [stdout]   --> tests/unwrap.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |     unwrap!(foo, Complex::Struct { foo, bar });
[INFO] [stdout]    |                                         ^^^ help: try ignoring the field: `bar: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asserter` (test "unwrap") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2298bfb08fa274635a5d82eb77b224beeefee6760fa4e62e46d8789148a3d70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2298bfb08fa274635a5d82eb77b224beeefee6760fa4e62e46d8789148a3d70a", kill_on_drop: false }`
[INFO] [stdout] 2298bfb08fa274635a5d82eb77b224beeefee6760fa4e62e46d8789148a3d70a