[INFO] fetching crate named_tuple 0.1.3...
[INFO] checking named_tuple-0.1.3 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate named_tuple 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate named_tuple 0.1.3 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v677.0.0
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded cargo_metadata v0.8.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v677.0.0
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v677.0.0
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v677.0.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded stacker v0.1.13
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v677.0.0
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.0
[INFO] [stderr]   Downloaded psm v0.1.12
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v677.0.0
[INFO] [stderr]   Downloaded rustfmt-nightly v1.4.21
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v677.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v677.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v677.0.0
[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v677.0.0
[INFO] [stderr]   Downloaded measureme v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03acac25ce9c847de135df49d99cbc2bedd1fe2c16f08f7a0443f1c3a187ec08
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03acac25ce9c847de135df49d99cbc2bedd1fe2c16f08f7a0443f1c3a187ec08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03acac25ce9c847de135df49d99cbc2bedd1fe2c16f08f7a0443f1c3a187ec08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03acac25ce9c847de135df49d99cbc2bedd1fe2c16f08f7a0443f1c3a187ec08", kill_on_drop: false }`
[INFO] [stdout] 03acac25ce9c847de135df49d99cbc2bedd1fe2c16f08f7a0443f1c3a187ec08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1fc04b885d8d8d23e55037b098049794e8dd8b0d5275b0cc88abec12e365896f
[INFO] running `Command { std: "docker" "start" "-a" "1fc04b885d8d8d23e55037b098049794e8dd8b0d5275b0cc88abec12e365896f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking 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]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[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]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking serde_json v1.0.62
[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]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[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]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[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]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.10s
[INFO] running `Command { std: "docker" "inspect" "1fc04b885d8d8d23e55037b098049794e8dd8b0d5275b0cc88abec12e365896f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc04b885d8d8d23e55037b098049794e8dd8b0d5275b0cc88abec12e365896f", kill_on_drop: false }`
[INFO] [stdout] 1fc04b885d8d8d23e55037b098049794e8dd8b0d5275b0cc88abec12e365896f