[INFO] fetching crate bolero-engine 0.6.2...
[INFO] testing bolero-engine-0.6.2 against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] extracting crate bolero-engine 0.6.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bolero-engine 0.6.2 on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-engine 0.6.2
[INFO] finished tweaking crates.io crate bolero-engine 0.6.2
[INFO] tweaked toml for crates.io crate bolero-engine 0.6.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9ac0803e767a1375d3335d1882ce3b893710eb93f6e11862be78517a691c5b5
[INFO] running `Command { std: "docker" "start" "-a" "a9ac0803e767a1375d3335d1882ce3b893710eb93f6e11862be78517a691c5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ac0803e767a1375d3335d1882ce3b893710eb93f6e11862be78517a691c5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ac0803e767a1375d3335d1882ce3b893710eb93f6e11862be78517a691c5b5", kill_on_drop: false }`
[INFO] [stdout] a9ac0803e767a1375d3335d1882ce3b893710eb93f6e11862be78517a691c5b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a51d552f491b3f18763cfdc32c1ebe8626275bff51a02597dcad16f2bf83daa9
[INFO] running `Command { std: "docker" "start" "-a" "a51d552f491b3f18763cfdc32c1ebe8626275bff51a02597dcad16f2bf83daa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling object v0.28.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.2
[INFO] [stderr]    Compiling bolero-generator v0.6.2
[INFO] [stderr]    Compiling bolero-engine v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "a51d552f491b3f18763cfdc32c1ebe8626275bff51a02597dcad16f2bf83daa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51d552f491b3f18763cfdc32c1ebe8626275bff51a02597dcad16f2bf83daa9", kill_on_drop: false }`
[INFO] [stdout] a51d552f491b3f18763cfdc32c1ebe8626275bff51a02597dcad16f2bf83daa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa8989a26f3ca0fd34570bf7b88db3449e441f2a7e1a51324f33f9f0fd901f3c
[INFO] running `Command { std: "docker" "start" "-a" "fa8989a26f3ca0fd34570bf7b88db3449e441f2a7e1a51324f33f9f0fd901f3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bolero-engine v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/bolero_engine-a9ee1de2a0450659)
[INFO] running `Command { std: "docker" "inspect" "fa8989a26f3ca0fd34570bf7b88db3449e441f2a7e1a51324f33f9f0fd901f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8989a26f3ca0fd34570bf7b88db3449e441f2a7e1a51324f33f9f0fd901f3c", kill_on_drop: false }`
[INFO] [stdout] fa8989a26f3ca0fd34570bf7b88db3449e441f2a7e1a51324f33f9f0fd901f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f2b344883358a4e480cb01e6516d6e6ad898f676925b25114710d1628268d51
[INFO] running `Command { std: "docker" "start" "-a" "0f2b344883358a4e480cb01e6516d6e6ad898f676925b25114710d1628268d51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bolero_engine-a9ee1de2a0450659)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test target_location::item_path_test ... ok
[INFO] [stdout] test target_location::format_symbol_name_test ... ok
[INFO] [stdout] test shrink::u32_shrink_test ... ok
[INFO] [stdout] test shrink::vec_shrink_test ... ok
[INFO] [stdout] test shrink::non_start_vec_shrink_test ... ok
[INFO] [stdout] test shrink::u16_shrink_test ... ok
[INFO] [stdout] test shrink::middle_vec_shrink_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bolero-engine
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "0f2b344883358a4e480cb01e6516d6e6ad898f676925b25114710d1628268d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2b344883358a4e480cb01e6516d6e6ad898f676925b25114710d1628268d51", kill_on_drop: false }`
[INFO] [stdout] 0f2b344883358a4e480cb01e6516d6e6ad898f676925b25114710d1628268d51