[INFO] fetching crate named_tuple 0.1.3...
[INFO] building named_tuple-0.1.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate named_tuple 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate named_tuple 0.1.3
[INFO] finished tweaking crates.io crate named_tuple 0.1.3
[INFO] tweaked toml for crates.io crate named_tuple 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate named_tuple 0.1.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 192 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.101)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.41)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.106)
[INFO] [stderr]       Adding term v0.5.2 (available: v1.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce9d63c5f2868b1476023835497dc5ebe69c6adf055e144229357a19485cf952
[INFO] running `Command { std: "docker" "start" "-a" "ce9d63c5f2868b1476023835497dc5ebe69c6adf055e144229357a19485cf952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce9d63c5f2868b1476023835497dc5ebe69c6adf055e144229357a19485cf952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9d63c5f2868b1476023835497dc5ebe69c6adf055e144229357a19485cf952", kill_on_drop: false }`
[INFO] [stdout] ce9d63c5f2868b1476023835497dc5ebe69c6adf055e144229357a19485cf952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b3a7a69cd91106a5afe2cc2a38801797f1e73a7b84c2cb5986446d0f382369c
[INFO] running `Command { std: "docker" "start" "-a" "2b3a7a69cd91106a5afe2cc2a38801797f1e73a7b84c2cb5986446d0f382369c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling named_tuple v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/lib.rs:1003:29
[INFO] [stdout]      |
[INFO] [stdout] 1003 |             s.field("type", { &quote!(#ty).to_string() });
[INFO] [stdout]      |                             ^^                        ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout] 1003 -             s.field("type", { &quote!(#ty).to_string() });
[INFO] [stdout] 1003 +             s.field("type", &quote!(#ty).to_string());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/lib.rs:1007:32
[INFO] [stdout]      |
[INFO] [stdout] 1007 |             s.field("default", { &quote!(#value).to_string() });
[INFO] [stdout]      |                                ^^                           ^^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout] 1007 -             s.field("default", { &quote!(#value).to_string() });
[INFO] [stdout] 1007 +             s.field("default", &quote!(#value).to_string());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "2b3a7a69cd91106a5afe2cc2a38801797f1e73a7b84c2cb5986446d0f382369c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3a7a69cd91106a5afe2cc2a38801797f1e73a7b84c2cb5986446d0f382369c", kill_on_drop: false }`
[INFO] [stdout] 2b3a7a69cd91106a5afe2cc2a38801797f1e73a7b84c2cb5986446d0f382369c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea5fca88e7c8b464961e025d5d8c43c38def2eed099c42f80ab9943dcf59819e
[INFO] running `Command { std: "docker" "start" "-a" "ea5fca88e7c8b464961e025d5d8c43c38def2eed099c42f80ab9943dcf59819e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling named_tuple v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/lib.rs:1003:29
[INFO] [stdout]      |
[INFO] [stdout] 1003 |             s.field("type", { &quote!(#ty).to_string() });
[INFO] [stdout]      |                             ^^                        ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout] 1003 -             s.field("type", { &quote!(#ty).to_string() });
[INFO] [stdout] 1003 +             s.field("type", &quote!(#ty).to_string());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/lib.rs:1007:32
[INFO] [stdout]      |
[INFO] [stdout] 1007 |             s.field("default", { &quote!(#value).to_string() });
[INFO] [stdout]      |                                ^^                           ^^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout] 1007 -             s.field("default", { &quote!(#value).to_string() });
[INFO] [stdout] 1007 +             s.field("default", &quote!(#value).to_string());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/lib.rs:1003:29
[INFO] [stdout]      |
[INFO] [stdout] 1003 |             s.field("type", { &quote!(#ty).to_string() });
[INFO] [stdout]      |                             ^^                        ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout] 1003 -             s.field("type", { &quote!(#ty).to_string() });
[INFO] [stdout] 1003 +             s.field("type", &quote!(#ty).to_string());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> src/lib.rs:1007:32
[INFO] [stdout]      |
[INFO] [stdout] 1007 |             s.field("default", { &quote!(#value).to_string() });
[INFO] [stdout]      |                                ^^                           ^^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout] 1007 -             s.field("default", { &quote!(#value).to_string() });
[INFO] [stdout] 1007 +             s.field("default", &quote!(#value).to_string());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "ea5fca88e7c8b464961e025d5d8c43c38def2eed099c42f80ab9943dcf59819e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5fca88e7c8b464961e025d5d8c43c38def2eed099c42f80ab9943dcf59819e", kill_on_drop: false }`
[INFO] [stdout] ea5fca88e7c8b464961e025d5d8c43c38def2eed099c42f80ab9943dcf59819e