[INFO] fetching crate amiya 0.0.6...
[INFO] testing amiya-0.0.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate amiya 0.0.6 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate amiya 0.0.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amiya 0.0.6
[INFO] finished tweaking crates.io crate amiya 0.0.6
[INFO] tweaked toml for crates.io crate amiya 0.0.6 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate amiya 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 polling v2.0.3
[INFO] [stderr]   Downloaded byte-pool v0.2.2
[INFO] [stderr]   Downloaded nb-connect v1.1.0
[INFO] [stderr]   Downloaded vec-arena v1.1.0
[INFO] [stderr]   Downloaded http-types v2.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 390898da286c5bcd1f7492eeb793570569db75a10405bb1d146e7f08e3eefd02
[INFO] running `Command { std: "docker" "start" "-a" "390898da286c5bcd1f7492eeb793570569db75a10405bb1d146e7f08e3eefd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390898da286c5bcd1f7492eeb793570569db75a10405bb1d146e7f08e3eefd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390898da286c5bcd1f7492eeb793570569db75a10405bb1d146e7f08e3eefd02", kill_on_drop: false }`
[INFO] [stdout] 390898da286c5bcd1f7492eeb793570569db75a10405bb1d146e7f08e3eefd02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d6ebbe626f1abcdba898b82c56a6eefcffee2f3d69d90b9656c5324e1ee99a7
[INFO] running `Command { std: "docker" "start" "-a" "6d6ebbe626f1abcdba898b82c56a6eefcffee2f3d69d90b9656c5324e1ee99a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling vec-arena v1.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling http-types v2.10.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling simple-mutex v1.1.5
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling async-dup v1.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling nb-connect v1.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling byte-pool v0.2.2
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-net v1.5.0
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling serde_qs v0.7.2
[INFO] [stderr]    Compiling async-h1 v2.3.2
[INFO] [stderr]    Compiling amiya v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "6d6ebbe626f1abcdba898b82c56a6eefcffee2f3d69d90b9656c5324e1ee99a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6ebbe626f1abcdba898b82c56a6eefcffee2f3d69d90b9656c5324e1ee99a7", kill_on_drop: false }`
[INFO] [stdout] 6d6ebbe626f1abcdba898b82c56a6eefcffee2f3d69d90b9656c5324e1ee99a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afa9f66e1560e3989080988606a1fbdfe7f6c4f07ea33af18b707f39156a8d72
[INFO] running `Command { std: "docker" "start" "-a" "afa9f66e1560e3989080988606a1fbdfe7f6c4f07ea33af18b707f39156a8d72", 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]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling amiya v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> examples/log.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let app = amiya::new().uses(m!(ctx =>
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amiya`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name query --edition=2018 examples/query.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="async-executor"' --cfg 'feature="async-io"' --cfg 'feature="built-in-executor"' --cfg 'feature="default"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' -C metadata=50dcaf4204579bb0 -C extra-filename=-50dcaf4204579bb0 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern amiya=/opt/rustwide/target/debug/deps/libamiya-3042ec85f0bf4bbe.rlib --extern async_channel=/opt/rustwide/target/debug/deps/libasync_channel-3dc6bde3f152f3bc.rlib --extern async_executor=/opt/rustwide/target/debug/deps/libasync_executor-5ce48c712a4304fa.rlib --extern async_h1=/opt/rustwide/target/debug/deps/libasync_h1-bd48750e66d6fa53.rlib --extern async_io=/opt/rustwide/target/debug/deps/libasync_io-8d1bfcd8df282ddc.rlib --extern async_net=/opt/rustwide/target/debug/deps/libasync_net-8c862d56ebf806fd.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-f36ec6f1dfee4d1b.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-193cd0de0b21b1fc.rlib --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-6090b4c7e84c0757.rlib --extern http_types=/opt/rustwide/target/debug/deps/libhttp_types-f6e6231a73bc3999.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-bb957fc8e02b91d4.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-8a63341cb0c77a9a.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-c75b5e85f253ab30.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-0ff5b1bb3aaaa813.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-11c7711fd87e76c0.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-2c2c4a162022e41f.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "afa9f66e1560e3989080988606a1fbdfe7f6c4f07ea33af18b707f39156a8d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa9f66e1560e3989080988606a1fbdfe7f6c4f07ea33af18b707f39156a8d72", kill_on_drop: false }`
[INFO] [stdout] afa9f66e1560e3989080988606a1fbdfe7f6c4f07ea33af18b707f39156a8d72