[INFO] fetching crate fuzzcheck_mutators_derive 0.10.0...
[INFO] testing fuzzcheck_mutators_derive-0.10.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate fuzzcheck_mutators_derive 0.10.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate fuzzcheck_mutators_derive 0.10.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuzzcheck_mutators_derive 0.10.0
[INFO] finished tweaking crates.io crate fuzzcheck_mutators_derive 0.10.0
[INFO] tweaked toml for crates.io crate fuzzcheck_mutators_derive 0.10.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9cae9aabdd743ac0a167162e5b95575ede99ae3a6b3134c55776b762d98e3f4
[INFO] running `Command { std: "docker" "start" "-a" "d9cae9aabdd743ac0a167162e5b95575ede99ae3a6b3134c55776b762d98e3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9cae9aabdd743ac0a167162e5b95575ede99ae3a6b3134c55776b762d98e3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cae9aabdd743ac0a167162e5b95575ede99ae3a6b3134c55776b762d98e3f4", kill_on_drop: false }`
[INFO] [stdout] d9cae9aabdd743ac0a167162e5b95575ede99ae3a6b3134c55776b762d98e3f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab7829fd51464460578c0a5400bf047d0a06c461edc0e5d9b46a6d39cd901fad
[INFO] running `Command { std: "docker" "start" "-a" "ab7829fd51464460578c0a5400bf047d0a06c461edc0e5d9b46a6d39cd901fad", kill_on_drop: false }`
[INFO] [stderr]    Compiling decent-synquote-alternative v0.4.0
[INFO] [stderr]    Compiling fuzzcheck_mutators_derive v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "ab7829fd51464460578c0a5400bf047d0a06c461edc0e5d9b46a6d39cd901fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7829fd51464460578c0a5400bf047d0a06c461edc0e5d9b46a6d39cd901fad", kill_on_drop: false }`
[INFO] [stdout] ab7829fd51464460578c0a5400bf047d0a06c461edc0e5d9b46a6d39cd901fad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a68c3681023e30a909f04c23c0726d8d48c7648230ccf83d06c73a8d70f248a4
[INFO] running `Command { std: "docker" "start" "-a" "a68c3681023e30a909f04c23c0726d8d48c7648230ccf83d06c73a8d70f248a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzzcheck_mutators_derive v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "a68c3681023e30a909f04c23c0726d8d48c7648230ccf83d06c73a8d70f248a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68c3681023e30a909f04c23c0726d8d48c7648230ccf83d06c73a8d70f248a4", kill_on_drop: false }`
[INFO] [stdout] a68c3681023e30a909f04c23c0726d8d48c7648230ccf83d06c73a8d70f248a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4211c20b75cf1b369d34b592625bfafb2d542150b1e254c825fc147905c9e15
[INFO] running `Command { std: "docker" "start" "-a" "a4211c20b75cf1b369d34b592625bfafb2d542150b1e254c825fc147905c9e15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fuzzcheck_mutators_derive-6d02fb3f87b86d51)
[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] [stderr]    Doc-tests fuzzcheck_mutators_derive
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - make_basic_tuple_mutator (line 25) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4211c20b75cf1b369d34b592625bfafb2d542150b1e254c825fc147905c9e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4211c20b75cf1b369d34b592625bfafb2d542150b1e254c825fc147905c9e15", kill_on_drop: false }`
[INFO] [stdout] a4211c20b75cf1b369d34b592625bfafb2d542150b1e254c825fc147905c9e15