[INFO] fetching crate js-object 0.2.0... [INFO] testing js-object-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate js-object 0.2.0 into /workspace/builds/worker-23/source [INFO] validating manifest of crates.io crate js-object 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate js-object 0.2.0 [INFO] finished tweaking crates.io crate js-object 0.2.0 [INFO] tweaked toml for crates.io crate js-object 0.2.0 written to /workspace/builds/worker-23/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec67654a3c87d2abf2513615bd2401c5c7f6acc76c2c6ca7595c79e4315a5b1f [INFO] running `Command { std: "docker" "start" "-a" "ec67654a3c87d2abf2513615bd2401c5c7f6acc76c2c6ca7595c79e4315a5b1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec67654a3c87d2abf2513615bd2401c5c7f6acc76c2c6ca7595c79e4315a5b1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec67654a3c87d2abf2513615bd2401c5c7f6acc76c2c6ca7595c79e4315a5b1f", kill_on_drop: false }` [INFO] [stdout] ec67654a3c87d2abf2513615bd2401c5c7f6acc76c2c6ca7595c79e4315a5b1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cb43a296c3f773fd960a0d0b040346740c4a63f49ee07a319f0bf5ab4585e06 [INFO] running `Command { std: "docker" "start" "-a" "1cb43a296c3f773fd960a0d0b040346740c4a63f49ee07a319f0bf5ab4585e06", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.78 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bumpalo v3.8.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.78 [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 quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.78 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.78 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.78 [INFO] [stderr] Compiling js-intern-core v0.3.1 [INFO] [stderr] Compiling js-sys v0.3.55 [INFO] [stderr] Compiling js-intern-proc-macro v0.3.1 [INFO] [stderr] Compiling js-intern v0.3.1 [INFO] [stderr] Compiling js-object v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, proc_macro_hygiene)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.04s [INFO] running `Command { std: "docker" "inspect" "1cb43a296c3f773fd960a0d0b040346740c4a63f49ee07a319f0bf5ab4585e06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cb43a296c3f773fd960a0d0b040346740c4a63f49ee07a319f0bf5ab4585e06", kill_on_drop: false }` [INFO] [stdout] 1cb43a296c3f773fd960a0d0b040346740c4a63f49ee07a319f0bf5ab4585e06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b389fc41fe337888bed6acf142ca752fa3bed58abb07cce5b9e79a001cbf20e [INFO] running `Command { std: "docker" "start" "-a" "2b389fc41fe337888bed6acf142ca752fa3bed58abb07cce5b9e79a001cbf20e", kill_on_drop: false }` [INFO] [stderr] Compiling js-object v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, proc_macro_hygiene)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, proc_macro_hygiene)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "2b389fc41fe337888bed6acf142ca752fa3bed58abb07cce5b9e79a001cbf20e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b389fc41fe337888bed6acf142ca752fa3bed58abb07cce5b9e79a001cbf20e", kill_on_drop: false }` [INFO] [stdout] 2b389fc41fe337888bed6acf142ca752fa3bed58abb07cce5b9e79a001cbf20e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bba7173984edcb1af1f8c23976d9fa8a648c23256b0e72e9b820fbf7a804aed2 [INFO] running `Command { std: "docker" "start" "-a" "bba7173984edcb1af1f8c23976d9fa8a648c23256b0e72e9b820fbf7a804aed2", kill_on_drop: false }` [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization, proc_macro_hygiene)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: `js-object` (lib) generated 1 warning [INFO] [stderr] warning: `js-object` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/js_object-2c4c40adf99d3fb6) [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 js-object [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(specialization, proc_macro_hygiene)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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" "bba7173984edcb1af1f8c23976d9fa8a648c23256b0e72e9b820fbf7a804aed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bba7173984edcb1af1f8c23976d9fa8a648c23256b0e72e9b820fbf7a804aed2", kill_on_drop: false }` [INFO] [stdout] bba7173984edcb1af1f8c23976d9fa8a648c23256b0e72e9b820fbf7a804aed2