[INFO] fetching crate symbol 0.1.9...
[INFO] testing symbol-0.1.9 against 1.59.0 for beta-1.60-1
[INFO] extracting crate symbol 0.1.9 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate symbol 0.1.9 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 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-56/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded gc v0.3.6
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 260f42faa8fdf4c90a4d76ab4756e6d2207f62a8d3e157a5fd077b2c225afb19
[INFO] running `Command { std: "docker" "start" "-a" "260f42faa8fdf4c90a4d76ab4756e6d2207f62a8d3e157a5fd077b2c225afb19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "260f42faa8fdf4c90a4d76ab4756e6d2207f62a8d3e157a5fd077b2c225afb19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260f42faa8fdf4c90a4d76ab4756e6d2207f62a8d3e157a5fd077b2c225afb19", kill_on_drop: false }`
[INFO] [stdout] 260f42faa8fdf4c90a4d76ab4756e6d2207f62a8d3e157a5fd077b2c225afb19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 5745f7795618b84e74edc763951cadff4d0ba4524d35ada3d373335c7e28ed46
[INFO] running `Command { std: "docker" "start" "-a" "5745f7795618b84e74edc763951cadff4d0ba4524d35ada3d373335c7e28ed46", 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 2.40s
[INFO] running `Command { std: "docker" "inspect" "5745f7795618b84e74edc763951cadff4d0ba4524d35ada3d373335c7e28ed46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5745f7795618b84e74edc763951cadff4d0ba4524d35ada3d373335c7e28ed46", kill_on_drop: false }`
[INFO] [stdout] 5745f7795618b84e74edc763951cadff4d0ba4524d35ada3d373335c7e28ed46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] c6ca9d153466d682ffa02dd5e8d875e5da9bfcb3673a03e3c9871f4ca9bd9b63
[INFO] running `Command { std: "docker" "start" "-a" "c6ca9d153466d682ffa02dd5e8d875e5da9bfcb3673a03e3c9871f4ca9bd9b63", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbol v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "c6ca9d153466d682ffa02dd5e8d875e5da9bfcb3673a03e3c9871f4ca9bd9b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ca9d153466d682ffa02dd5e8d875e5da9bfcb3673a03e3c9871f4ca9bd9b63", kill_on_drop: false }`
[INFO] [stdout] c6ca9d153466d682ffa02dd5e8d875e5da9bfcb3673a03e3c9871f4ca9bd9b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] fe5e117ae87387d773a9622abfcba3c6a014753055165af5d8d6dc8b8011fae1
[INFO] running `Command { std: "docker" "start" "-a" "fe5e117ae87387d773a9622abfcba3c6a014753055165af5d8d6dc8b8011fae1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbol-b3dbfe5c2250124d)
[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 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe5e117ae87387d773a9622abfcba3c6a014753055165af5d8d6dc8b8011fae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5e117ae87387d773a9622abfcba3c6a014753055165af5d8d6dc8b8011fae1", kill_on_drop: false }`
[INFO] [stdout] fe5e117ae87387d773a9622abfcba3c6a014753055165af5d8d6dc8b8011fae1