[INFO] fetching crate yew-router-nested-macro 0.16.1...
[INFO] checking yew-router-nested-macro-0.16.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate yew-router-nested-macro 0.16.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate yew-router-nested-macro 0.16.1
[INFO] finished tweaking crates.io crate yew-router-nested-macro 0.16.1
[INFO] tweaked toml for crates.io crate yew-router-nested-macro 0.16.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate yew-router-nested-macro 0.16.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yew-router-nested-route-parser v0.16.1
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 902889cfa7131e68650d0d5eaeb30c48db96ee9c7631e6414269bf3f9a7baa82
[INFO] running `Command { std: "docker" "start" "-a" "902889cfa7131e68650d0d5eaeb30c48db96ee9c7631e6414269bf3f9a7baa82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902889cfa7131e68650d0d5eaeb30c48db96ee9c7631e6414269bf3f9a7baa82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902889cfa7131e68650d0d5eaeb30c48db96ee9c7631e6414269bf3f9a7baa82", kill_on_drop: false }`
[INFO] [stdout] 902889cfa7131e68650d0d5eaeb30c48db96ee9c7631e6414269bf3f9a7baa82
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 381aec29edb0027c1b8a33f3a576952276e9aea1a912a2a18a1975fc7c8b5120
[INFO] running `Command { std: "docker" "start" "-a" "381aec29edb0027c1b8a33f3a576952276e9aea1a912a2a18a1975fc7c8b5120", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking yew-router-nested-route-parser v0.16.1
[INFO] [stderr]     Checking yew-router-nested-macro v0.16.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Flatten` is never used
[INFO] [stdout]    --> src/switch.rs:105:7
[INFO] [stdout]     |
[INFO] [stdout] 105 | trait Flatten<T> {
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Flatten` is never used
[INFO] [stdout]    --> src/switch.rs:105:7
[INFO] [stdout]     |
[INFO] [stdout] 105 | trait Flatten<T> {
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "381aec29edb0027c1b8a33f3a576952276e9aea1a912a2a18a1975fc7c8b5120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381aec29edb0027c1b8a33f3a576952276e9aea1a912a2a18a1975fc7c8b5120", kill_on_drop: false }`
[INFO] [stdout] 381aec29edb0027c1b8a33f3a576952276e9aea1a912a2a18a1975fc7c8b5120