[INFO] fetching crate mdbook-classy 0.1.0...
[INFO] testing mdbook-classy-0.1.0 against 1.63.0 for beta-1.64-2
[INFO] extracting crate mdbook-classy 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mdbook-classy 0.1.0 on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-classy 0.1.0
[INFO] finished tweaking crates.io crate mdbook-classy 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-classy 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mdbook-classy 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b53fa2123cb42134a54501952d9028534b82ef3e4785432044fba400e3f2911
[INFO] running `Command { std: "docker" "start" "-a" "5b53fa2123cb42134a54501952d9028534b82ef3e4785432044fba400e3f2911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b53fa2123cb42134a54501952d9028534b82ef3e4785432044fba400e3f2911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b53fa2123cb42134a54501952d9028534b82ef3e4785432044fba400e3f2911", kill_on_drop: false }`
[INFO] [stdout] 5b53fa2123cb42134a54501952d9028534b82ef3e4785432044fba400e3f2911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62230c19823e09578bdcee8330226737926fb673b868e5dc5cc53c72c9e65d35
[INFO] running `Command { std: "docker" "start" "-a" "62230c19823e09578bdcee8330226737926fb673b868e5dc5cc53c72c9e65d35", kill_on_drop: false }`
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[INFO] [stderr]    Compiling futures-util v0.3.5
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[INFO] [stderr]    Compiling futures-executor v0.3.5
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[INFO] [stderr]    Compiling futures v0.3.5
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[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling ammonia v3.1.0
[INFO] [stderr]    Compiling warp v0.2.3
[INFO] [stderr]    Compiling mdbook v0.4.0
[INFO] [stderr]    Compiling mdbook-classy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct ClassAnnotation {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 39 |     pub class: String,
[INFO] [stdout] 40 |     pub index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ClassAnnotation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.1
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "62230c19823e09578bdcee8330226737926fb673b868e5dc5cc53c72c9e65d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62230c19823e09578bdcee8330226737926fb673b868e5dc5cc53c72c9e65d35", kill_on_drop: false }`
[INFO] [stdout] 62230c19823e09578bdcee8330226737926fb673b868e5dc5cc53c72c9e65d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87125ee3b3155c0591f5cbc63e34d8f09164f8b531ab6ceb708a675de46afda8
[INFO] running `Command { std: "docker" "start" "-a" "87125ee3b3155c0591f5cbc63e34d8f09164f8b531ab6ceb708a675de46afda8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook-classy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct ClassAnnotation {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 39 |     pub class: String,
[INFO] [stdout] 40 |     pub index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ClassAnnotation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "87125ee3b3155c0591f5cbc63e34d8f09164f8b531ab6ceb708a675de46afda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87125ee3b3155c0591f5cbc63e34d8f09164f8b531ab6ceb708a675de46afda8", kill_on_drop: false }`
[INFO] [stdout] 87125ee3b3155c0591f5cbc63e34d8f09164f8b531ab6ceb708a675de46afda8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b83d5768010d6d7b0c05f6503eeffb12726ba57a7365fb32e5557929edc3798
[INFO] running `Command { std: "docker" "start" "-a" "4b83d5768010d6d7b0c05f6503eeffb12726ba57a7365fb32e5557929edc3798", kill_on_drop: false }`
[INFO] [stderr] warning: field `index` is never read
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct ClassAnnotation {
[INFO] [stderr]    |        --------------- field in this struct
[INFO] [stderr] 39 |     pub class: String,
[INFO] [stderr] 40 |     pub index: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: `ClassAnnotation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `mdbook-classy` (bin "mdbook-classy" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mdbook_classy-57e32aec312d4db8)
[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" "4b83d5768010d6d7b0c05f6503eeffb12726ba57a7365fb32e5557929edc3798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b83d5768010d6d7b0c05f6503eeffb12726ba57a7365fb32e5557929edc3798", kill_on_drop: false }`
[INFO] [stdout] 4b83d5768010d6d7b0c05f6503eeffb12726ba57a7365fb32e5557929edc3798