[INFO] fetching crate fuzztest 0.1.1...
[INFO] testing fuzztest-0.1.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate fuzztest 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fuzztest 0.1.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuzztest 0.1.1
[INFO] finished tweaking crates.io crate fuzztest 0.1.1
[INFO] tweaked toml for crates.io crate fuzztest 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary v0.2.0
[INFO] [stderr]   Downloaded honggfuzz v0.5.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b52cd19a2b9ef264d39f53852c1ae55374fa77b1b351899d51157a725033d0d
[INFO] running `Command { std: "docker" "start" "-a" "1b52cd19a2b9ef264d39f53852c1ae55374fa77b1b351899d51157a725033d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b52cd19a2b9ef264d39f53852c1ae55374fa77b1b351899d51157a725033d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b52cd19a2b9ef264d39f53852c1ae55374fa77b1b351899d51157a725033d0d", kill_on_drop: false }`
[INFO] [stdout] 1b52cd19a2b9ef264d39f53852c1ae55374fa77b1b351899d51157a725033d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d13b7c030994d81aad0fc5a4941d40373d6df7d5d0cdb730d179983ee2cf0551
[INFO] running `Command { std: "docker" "start" "-a" "d13b7c030994d81aad0fc5a4941d40373d6df7d5d0cdb730d179983ee2cf0551", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling honggfuzz v0.5.45
[INFO] [stderr]    Compiling arbitrary v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling fuzztest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(use_extern_macros, decl_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 3.01s
[INFO] running `Command { std: "docker" "inspect" "d13b7c030994d81aad0fc5a4941d40373d6df7d5d0cdb730d179983ee2cf0551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13b7c030994d81aad0fc5a4941d40373d6df7d5d0cdb730d179983ee2cf0551", kill_on_drop: false }`
[INFO] [stdout] d13b7c030994d81aad0fc5a4941d40373d6df7d5d0cdb730d179983ee2cf0551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b72346d511e0f06fcc13c99d6046d69ad007379c85e58fc3325d4fdc3151601a
[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" "b72346d511e0f06fcc13c99d6046d69ad007379c85e58fc3325d4fdc3151601a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzztest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(use_extern_macros, decl_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(use_extern_macros, decl_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "b72346d511e0f06fcc13c99d6046d69ad007379c85e58fc3325d4fdc3151601a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72346d511e0f06fcc13c99d6046d69ad007379c85e58fc3325d4fdc3151601a", kill_on_drop: false }`
[INFO] [stdout] b72346d511e0f06fcc13c99d6046d69ad007379c85e58fc3325d4fdc3151601a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f38c53f62d05dbc26eb58f5bfe7e58293e7425e2e0967899f717b68386d803dc
[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" "f38c53f62d05dbc26eb58f5bfe7e58293e7425e2e0967899f717b68386d803dc", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(use_extern_macros, decl_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fuzztest` (lib) generated 1 warning
[INFO] [stderr] warning: `fuzztest` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fuzztest-f5674d18c841c2b9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fuzztest
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - fuzz_marker (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f38c53f62d05dbc26eb58f5bfe7e58293e7425e2e0967899f717b68386d803dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38c53f62d05dbc26eb58f5bfe7e58293e7425e2e0967899f717b68386d803dc", kill_on_drop: false }`
[INFO] [stdout] f38c53f62d05dbc26eb58f5bfe7e58293e7425e2e0967899f717b68386d803dc