[INFO] fetching crate deno_npm 0.15.2...
[INFO] checking deno_npm-0.15.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate deno_npm 0.15.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate deno_npm 0.15.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate deno_npm 0.15.2
[INFO] finished tweaking crates.io crate deno_npm 0.15.2
[INFO] tweaked toml for crates.io crate deno_npm 0.15.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 96 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding deno_lockfile v0.17.2 (latest: v0.19.0)
[INFO] [stderr]       Adding monch v0.4.3 (latest: v0.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deno_semver v0.5.4
[INFO] [stderr]   Downloaded deno_lockfile v0.17.2
[INFO] [stderr]   Downloaded monch v0.5.0
[INFO] [stderr]   Downloaded monch v0.4.3
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae107c1ff3e3f0607b884d27748bb684bf373821d0c4808638ed95d1e97b4191
[INFO] running `Command { std: "docker" "start" "-a" "ae107c1ff3e3f0607b884d27748bb684bf373821d0c4808638ed95d1e97b4191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae107c1ff3e3f0607b884d27748bb684bf373821d0c4808638ed95d1e97b4191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae107c1ff3e3f0607b884d27748bb684bf373821d0c4808638ed95d1e97b4191", kill_on_drop: false }`
[INFO] [stdout] ae107c1ff3e3f0607b884d27748bb684bf373821d0c4808638ed95d1e97b4191
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f1cbb9666610f5f929ba7469b32134dc999cd83287e892bd1ebc403d1621efe
[INFO] running `Command { std: "docker" "start" "-a" "5f1cbb9666610f5f929ba7469b32134dc999cd83287e892bd1ebc403d1621efe", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking monch v0.5.0
[INFO] [stderr]     Checking monch v0.4.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking deno_semver v0.5.4
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking deno_lockfile v0.17.2
[INFO] [stderr]     Checking deno_npm v0.15.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/registry.rs:500:7
[INFO] [stdout]     |
[INFO] [stdout] 500 |   use serde_json;
[INFO] [stdout]     |       ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "5f1cbb9666610f5f929ba7469b32134dc999cd83287e892bd1ebc403d1621efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1cbb9666610f5f929ba7469b32134dc999cd83287e892bd1ebc403d1621efe", kill_on_drop: false }`
[INFO] [stdout] 5f1cbb9666610f5f929ba7469b32134dc999cd83287e892bd1ebc403d1621efe
[INFO] checking deno_npm-0.15.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate deno_npm 0.15.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate deno_npm 0.15.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate deno_npm 0.15.2
[INFO] finished tweaking crates.io crate deno_npm 0.15.2
[INFO] tweaked toml for crates.io crate deno_npm 0.15.2 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 96 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding deno_lockfile v0.17.2 (latest: v0.19.0)
[INFO] [stderr]       Adding monch v0.4.3 (latest: v0.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22439cce771ea414a6851712362be150c58c7dc0885412e96eec7c36b779df9c
[INFO] running `Command { std: "docker" "start" "-a" "22439cce771ea414a6851712362be150c58c7dc0885412e96eec7c36b779df9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22439cce771ea414a6851712362be150c58c7dc0885412e96eec7c36b779df9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22439cce771ea414a6851712362be150c58c7dc0885412e96eec7c36b779df9c", kill_on_drop: false }`
[INFO] [stdout] 22439cce771ea414a6851712362be150c58c7dc0885412e96eec7c36b779df9c
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3864dead88b8820fa2c062894906284bf13eaea89ea84cde6589980418563ede
[INFO] running `Command { std: "docker" "start" "-a" "3864dead88b8820fa2c062894906284bf13eaea89ea84cde6589980418563ede", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking monch v0.5.0
[INFO] [stderr]     Checking monch v0.4.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking deno_semver v0.5.4
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking deno_lockfile v0.17.2
[INFO] [stderr]     Checking deno_npm v0.15.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/registry.rs:500:7
[INFO] [stdout]     |
[INFO] [stdout] 500 |   use serde_json;
[INFO] [stdout]     |       ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "3864dead88b8820fa2c062894906284bf13eaea89ea84cde6589980418563ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3864dead88b8820fa2c062894906284bf13eaea89ea84cde6589980418563ede", kill_on_drop: false }`
[INFO] [stdout] 3864dead88b8820fa2c062894906284bf13eaea89ea84cde6589980418563ede