[INFO] fetching crate test-impl 0.2.0...
[INFO] checking test-impl-0.2.0 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] extracting crate test-impl 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate test-impl 0.2.0 on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test-impl 0.2.0
[INFO] finished tweaking crates.io crate test-impl 0.2.0
[INFO] tweaked toml for crates.io crate test-impl 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.96)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84d7824c697e7fe2ba755cea47492b0bb745ce574dc5cf5dbaf3554b93848109
[INFO] running `Command { std: "docker" "start" "-a" "84d7824c697e7fe2ba755cea47492b0bb745ce574dc5cf5dbaf3554b93848109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d7824c697e7fe2ba755cea47492b0bb745ce574dc5cf5dbaf3554b93848109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d7824c697e7fe2ba755cea47492b0bb745ce574dc5cf5dbaf3554b93848109", kill_on_drop: false }`
[INFO] [stdout] 84d7824c697e7fe2ba755cea47492b0bb745ce574dc5cf5dbaf3554b93848109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9211ee487d4b157912f7cd8329c62d49b84c1a6e7bb3c867f46e62b11cac5800
[INFO] running `Command { std: "docker" "start" "-a" "9211ee487d4b157912f7cd8329c62d49b84c1a6e7bb3c867f46e62b11cac5800", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking test-impl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Whaa` is never used
[INFO] [stdout]  --> tests/example_lifetime.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Whaa {}
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ExampleTrait` is never used
[INFO] [stdout]  --> tests/example.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait ExampleTrait: Debug {
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExampleStruct` is never constructed
[INFO] [stdout]   --> tests/example.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct ExampleStruct;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExampleStruct2` is never constructed
[INFO] [stdout]   --> tests/example.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct ExampleStruct2;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "9211ee487d4b157912f7cd8329c62d49b84c1a6e7bb3c867f46e62b11cac5800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9211ee487d4b157912f7cd8329c62d49b84c1a6e7bb3c867f46e62b11cac5800", kill_on_drop: false }`
[INFO] [stdout] 9211ee487d4b157912f7cd8329c62d49b84c1a6e7bb3c867f46e62b11cac5800