[INFO] fetching crate test-fuzz-runtime 1.0.0...
[INFO] checking test-fuzz-runtime-1.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate test-fuzz-runtime 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate test-fuzz-runtime 1.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test-fuzz-runtime 1.0.0
[INFO] finished tweaking crates.io crate test-fuzz-runtime 1.0.0
[INFO] tweaked toml for crates.io crate test-fuzz-runtime 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-fuzz-internal v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ee6b2abad594b6ddab5210bc2df4584e417d4c44ef2d0deb3c94c6d9ccfca9f
[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" "8ee6b2abad594b6ddab5210bc2df4584e417d4c44ef2d0deb3c94c6d9ccfca9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ee6b2abad594b6ddab5210bc2df4584e417d4c44ef2d0deb3c94c6d9ccfca9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee6b2abad594b6ddab5210bc2df4584e417d4c44ef2d0deb3c94c6d9ccfca9f", kill_on_drop: false }`
[INFO] [stdout] 8ee6b2abad594b6ddab5210bc2df4584e417d4c44ef2d0deb3c94c6d9ccfca9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354de4d1e5bbb30120c6505b80ce56b73da767dc6c7ff25a9f9328f747e79054
[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" "354de4d1e5bbb30120c6505b80ce56b73da767dc6c7ff25a9f9328f747e79054", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking if_chain v1.0.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking subprocess v0.2.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking assert_cmd v2.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking retry v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking cargo_metadata v0.14.0
[INFO] [stderr]     Checking test-fuzz-internal v1.0.0
[INFO] [stderr]     Checking test-fuzz-runtime v1.0.0 (/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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.68s
[INFO] running `Command { std: "docker" "inspect" "354de4d1e5bbb30120c6505b80ce56b73da767dc6c7ff25a9f9328f747e79054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354de4d1e5bbb30120c6505b80ce56b73da767dc6c7ff25a9f9328f747e79054", kill_on_drop: false }`
[INFO] [stdout] 354de4d1e5bbb30120c6505b80ce56b73da767dc6c7ff25a9f9328f747e79054