[INFO] fetching crate box-dyn 0.0.8...
[INFO] checking box-dyn-0.0.8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate box-dyn 0.0.8 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate box-dyn 0.0.8 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate box-dyn 0.0.8
[INFO] finished tweaking crates.io crate box-dyn 0.0.8
[INFO] tweaked toml for crates.io crate box-dyn 0.0.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25cfdf7b7de30a07cd6d256ef7c608e684a19f7988076350b39952373205c549
[INFO] running `Command { std: "docker" "start" "-a" "25cfdf7b7de30a07cd6d256ef7c608e684a19f7988076350b39952373205c549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25cfdf7b7de30a07cd6d256ef7c608e684a19f7988076350b39952373205c549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25cfdf7b7de30a07cd6d256ef7c608e684a19f7988076350b39952373205c549", kill_on_drop: false }`
[INFO] [stdout] 25cfdf7b7de30a07cd6d256ef7c608e684a19f7988076350b39952373205c549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7d6b49ed4e2bbe22274eae2cbef369d963a963988bf056b59e9e3add446a77
[INFO] running `Command { std: "docker" "start" "-a" "3a7d6b49ed4e2bbe22274eae2cbef369d963a963988bf056b59e9e3add446a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettyplease v0.2.22
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking box-dyn v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ToTokens`
[INFO] [stdout]  --> src/lib.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quote::{quote, ToTokens};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     val.default = todo!();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^-------
[INFO] [stdout]    |                     |             |
[INFO] [stdout]    |                     |             any code following this expression is unreachable
[INFO] [stdout]    |                     unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToTokens`
[INFO] [stdout]  --> src/lib.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quote::{quote, ToTokens};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     typ.default = todo!();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^-------
[INFO] [stdout]     |                     |             |
[INFO] [stdout]     |                     |             any code following this expression is unreachable
[INFO] [stdout]     |                     unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     val.default = todo!();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^-------
[INFO] [stdout]    |                     |             |
[INFO] [stdout]    |                     |             any code following this expression is unreachable
[INFO] [stdout]    |                     unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     typ.default = todo!();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^-------
[INFO] [stdout]     |                     |             |
[INFO] [stdout]     |                     |             any code following this expression is unreachable
[INFO] [stdout]     |                     unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lib.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 syn::TraitItem::Const(ref mut val) => {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]    --> src/lib.rs:126:38
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 syn::TraitItem::Type(typ) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lib.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 syn::TraitItem::Const(ref mut val) => {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]    --> src/lib.rs:126:38
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 syn::TraitItem::Type(typ) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "3a7d6b49ed4e2bbe22274eae2cbef369d963a963988bf056b59e9e3add446a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7d6b49ed4e2bbe22274eae2cbef369d963a963988bf056b59e9e3add446a77", kill_on_drop: false }`
[INFO] [stdout] 3a7d6b49ed4e2bbe22274eae2cbef369d963a963988bf056b59e9e3add446a77