[INFO] fetching crate aiid_js 0.0.1...
[INFO] checking aiid_js-0.0.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate aiid_js 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate aiid_js 0.0.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aiid_js 0.0.1
[INFO] finished tweaking crates.io crate aiid_js 0.0.1
[INFO] tweaked toml for crates.io crate aiid_js 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages
[INFO] [stderr]       Adding bumpalo v2.6.0 (latest: v3.15.4)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wasm-bindgen v0.2.40 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.40 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.40 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.40 (latest: v0.2.92)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.40 (latest: v0.2.92)
[INFO] [stderr]       Adding wee_alloc v0.4.4 (latest: v0.4.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded wee_alloc v0.4.4
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.40
[INFO] [stderr]   Downloaded memory_units v0.4.0
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded reed-solomon v0.2.1
[INFO] [stderr]   Downloaded aiid v0.0.2
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded bumpalo v2.6.0
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f2137ea8eabd8b5c18bb0f0a34cddaae3cea5e0c85a4962e46450942acfc9d5
[INFO] running `Command { std: "docker" "start" "-a" "4f2137ea8eabd8b5c18bb0f0a34cddaae3cea5e0c85a4962e46450942acfc9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2137ea8eabd8b5c18bb0f0a34cddaae3cea5e0c85a4962e46450942acfc9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2137ea8eabd8b5c18bb0f0a34cddaae3cea5e0c85a4962e46450942acfc9d5", kill_on_drop: false }`
[INFO] [stdout] 4f2137ea8eabd8b5c18bb0f0a34cddaae3cea5e0c85a4962e46450942acfc9d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907ce932926e33a0eb893cba481e40aa3af53d6384e9f1813d2ec7fa1655ac7e
[INFO] running `Command { std: "docker" "start" "-a" "907ce932926e33a0eb893cba481e40aa3af53d6384e9f1813d2ec7fa1655ac7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.40
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]     Checking aiid v0.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.40
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.40
[INFO] [stderr]     Checking aiid_js v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.40
[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" "907ce932926e33a0eb893cba481e40aa3af53d6384e9f1813d2ec7fa1655ac7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907ce932926e33a0eb893cba481e40aa3af53d6384e9f1813d2ec7fa1655ac7e", kill_on_drop: false }`
[INFO] [stdout] 907ce932926e33a0eb893cba481e40aa3af53d6384e9f1813d2ec7fa1655ac7e
[INFO] checking aiid_js-0.0.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate aiid_js 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate aiid_js 0.0.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aiid_js 0.0.1
[INFO] finished tweaking crates.io crate aiid_js 0.0.1
[INFO] tweaked toml for crates.io crate aiid_js 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12131947e11fd6cb81618f14c4b95036fca15f0e6ac62454f15518b12080f0e1
[INFO] running `Command { std: "docker" "start" "-a" "12131947e11fd6cb81618f14c4b95036fca15f0e6ac62454f15518b12080f0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12131947e11fd6cb81618f14c4b95036fca15f0e6ac62454f15518b12080f0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12131947e11fd6cb81618f14c4b95036fca15f0e6ac62454f15518b12080f0e1", kill_on_drop: false }`
[INFO] [stdout] 12131947e11fd6cb81618f14c4b95036fca15f0e6ac62454f15518b12080f0e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd617b33fa8d96547283f43161b2fe826f0d2df01aa221172d410b8b2d602efa
[INFO] running `Command { std: "docker" "start" "-a" "cd617b33fa8d96547283f43161b2fe826f0d2df01aa221172d410b8b2d602efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bumpalo-2.6.0/src/collections/str/lossy.rs:78:45
[INFO] [stdout]    |
[INFO] [stdout] 78 |                   macro_rules! error { () => ({
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 79 | |                     unsafe {
[INFO] [stdout] 80 | |                         let r = Utf8LossyChunk {
[INFO] [stdout] 81 | |                             valid: str::from_utf8_unchecked(&self.source[0..i_]),
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                     }
[INFO] [stdout] 87 | |                 })}
[INFO] [stdout]    | |_________________^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 92 |                               error!();
[INFO] [stdout]    |                               -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking aiid v0.0.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bumpalo` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cd617b33fa8d96547283f43161b2fe826f0d2df01aa221172d410b8b2d602efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd617b33fa8d96547283f43161b2fe826f0d2df01aa221172d410b8b2d602efa", kill_on_drop: false }`
[INFO] [stdout] cd617b33fa8d96547283f43161b2fe826f0d2df01aa221172d410b8b2d602efa