[INFO] fetching crate test-fuzz-runtime 1.0.4...
[INFO] checking test-fuzz-runtime-1.0.4 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate test-fuzz-runtime 1.0.4 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate test-fuzz-runtime 1.0.4 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test-fuzz-runtime 1.0.4
[INFO] finished tweaking crates.io crate test-fuzz-runtime 1.0.4
[INFO] tweaked toml for crates.io crate test-fuzz-runtime 1.0.4 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.22.0
[INFO] [stderr]   Downloaded test-fuzz-internal v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5c8c626800e7f9656046c863e4891f6a3f9d41c7bbcabfca8d6eff7d94f0385
[INFO] running `Command { std: "docker" "start" "-a" "f5c8c626800e7f9656046c863e4891f6a3f9d41c7bbcabfca8d6eff7d94f0385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c8c626800e7f9656046c863e4891f6a3f9d41c7bbcabfca8d6eff7d94f0385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c8c626800e7f9656046c863e4891f6a3f9d41c7bbcabfca8d6eff7d94f0385", kill_on_drop: false }`
[INFO] [stdout] f5c8c626800e7f9656046c863e4891f6a3f9d41c7bbcabfca8d6eff7d94f0385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2c3fe9b11ac3b3f927c83d7802e8a7b68adeac6975f340384d72eeef5a0158c
[INFO] running `Command { std: "docker" "start" "-a" "d2c3fe9b11ac3b3f927c83d7802e8a7b68adeac6975f340384d72eeef5a0158c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking cargo_metadata v0.14.1
[INFO] [stderr]     Checking test-fuzz-internal v1.0.4
[INFO] [stderr]     Checking test-fuzz-runtime v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/lib.rs:194:75
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub fn read_args<T: DeserializeOwned, R: Read>(serde_format: SerdeFormat, reader: R) -> Option<T> {
[INFO] [stdout]     |                                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/lib.rs:194:75
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub fn read_args<T: DeserializeOwned, R: Read>(serde_format: SerdeFormat, reader: R) -> Option<T> {
[INFO] [stdout]     |                                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.31s
[INFO] running `Command { std: "docker" "inspect" "d2c3fe9b11ac3b3f927c83d7802e8a7b68adeac6975f340384d72eeef5a0158c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c3fe9b11ac3b3f927c83d7802e8a7b68adeac6975f340384d72eeef5a0158c", kill_on_drop: false }`
[INFO] [stdout] d2c3fe9b11ac3b3f927c83d7802e8a7b68adeac6975f340384d72eeef5a0158c