[INFO] fetching crate symbol 0.1.9...
[INFO] testing symbol-0.1.9 against 1.60.0 for beta-1.61-1
[INFO] extracting crate symbol 0.1.9 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate symbol 0.1.9 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbol 0.1.9
[INFO] finished tweaking crates.io crate symbol 0.1.9
[INFO] tweaked toml for crates.io crate symbol 0.1.9 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded gc v0.3.6
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28a608f30267f42015e95b8edb42bc10ee91e05c9f7269a4841d2133ad00fb9a
[INFO] running `Command { std: "docker" "start" "-a" "28a608f30267f42015e95b8edb42bc10ee91e05c9f7269a4841d2133ad00fb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28a608f30267f42015e95b8edb42bc10ee91e05c9f7269a4841d2133ad00fb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a608f30267f42015e95b8edb42bc10ee91e05c9f7269a4841d2133ad00fb9a", kill_on_drop: false }`
[INFO] [stdout] 28a608f30267f42015e95b8edb42bc10ee91e05c9f7269a4841d2133ad00fb9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37934d9dc24c225705a53d88ab7ec15e62ec4c22759a21321393dbbe5bcb848f
[INFO] running `Command { std: "docker" "start" "-a" "37934d9dc24c225705a53d88ab7ec15e62ec4c22759a21321393dbbe5bcb848f", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling symbol v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "37934d9dc24c225705a53d88ab7ec15e62ec4c22759a21321393dbbe5bcb848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37934d9dc24c225705a53d88ab7ec15e62ec4c22759a21321393dbbe5bcb848f", kill_on_drop: false }`
[INFO] [stdout] 37934d9dc24c225705a53d88ab7ec15e62ec4c22759a21321393dbbe5bcb848f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f75373316686f2feb26f96c6cbc0048911919639d8aa4a32bfb91cdbd6559dc
[INFO] running `Command { std: "docker" "start" "-a" "7f75373316686f2feb26f96c6cbc0048911919639d8aa4a32bfb91cdbd6559dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbol v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "7f75373316686f2feb26f96c6cbc0048911919639d8aa4a32bfb91cdbd6559dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f75373316686f2feb26f96c6cbc0048911919639d8aa4a32bfb91cdbd6559dc", kill_on_drop: false }`
[INFO] [stdout] 7f75373316686f2feb26f96c6cbc0048911919639d8aa4a32bfb91cdbd6559dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 730ab15cbcd41cfe6232cac82fa961b7a0728e5adeb85b3b9df2bb1ef7c9d1cc
[INFO] running `Command { std: "docker" "start" "-a" "730ab15cbcd41cfe6232cac82fa961b7a0728e5adeb85b3b9df2bb1ef7c9d1cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbol-ca0440ec943a4404)
[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 symbol
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "730ab15cbcd41cfe6232cac82fa961b7a0728e5adeb85b3b9df2bb1ef7c9d1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730ab15cbcd41cfe6232cac82fa961b7a0728e5adeb85b3b9df2bb1ef7c9d1cc", kill_on_drop: false }`
[INFO] [stdout] 730ab15cbcd41cfe6232cac82fa961b7a0728e5adeb85b3b9df2bb1ef7c9d1cc