[INFO] fetching crate wz-utf8 1.0.1... [INFO] checking wz-utf8-1.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate wz-utf8 1.0.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate wz-utf8 1.0.1 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] started tweaking crates.io crate wz-utf8 1.0.1 [INFO] finished tweaking crates.io crate wz-utf8 1.0.1 [INFO] tweaked toml for crates.io crate wz-utf8 1.0.1 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 94 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding rstest v0.15.0 (latest: v0.18.2) [INFO] [stderr] Adding rstest_macros v0.14.0 (latest: v0.18.2) [INFO] [stderr] Adding speculoos v0.9.0 (latest: v0.11.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wz-core v1.0.0 [INFO] [stderr] Downloaded speculoos v0.9.0 [INFO] [stderr] Downloaded rstest v0.15.0 [INFO] [stderr] Downloaded rstest_macros v0.14.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 07d482a18a525bb175eb2e3cb821bac588254cec5207a03a63717e6da805768a [INFO] running `Command { std: "docker" "start" "-a" "07d482a18a525bb175eb2e3cb821bac588254cec5207a03a63717e6da805768a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07d482a18a525bb175eb2e3cb821bac588254cec5207a03a63717e6da805768a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07d482a18a525bb175eb2e3cb821bac588254cec5207a03a63717e6da805768a", kill_on_drop: false }` [INFO] [stdout] 07d482a18a525bb175eb2e3cb821bac588254cec5207a03a63717e6da805768a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ee83a6ade2d92d8ca7c516a8c785f8561b1d98cfe22b48f364840d7159ffdf07 [INFO] running `Command { std: "docker" "start" "-a" "ee83a6ade2d92d8ca7c516a8c785f8561b1d98cfe22b48f364840d7159ffdf07", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking bytecount v0.6.7 [INFO] [stderr] Checking wz-core v1.0.0 [INFO] [stderr] Checking wz-utf8 v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rstest_macros v0.14.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking speculoos v0.9.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking rstest v0.15.0 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.47s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [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" "ee83a6ade2d92d8ca7c516a8c785f8561b1d98cfe22b48f364840d7159ffdf07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee83a6ade2d92d8ca7c516a8c785f8561b1d98cfe22b48f364840d7159ffdf07", kill_on_drop: false }` [INFO] [stdout] ee83a6ade2d92d8ca7c516a8c785f8561b1d98cfe22b48f364840d7159ffdf07 [INFO] checking wz-utf8-1.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate wz-utf8 1.0.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate wz-utf8 1.0.1 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] started tweaking crates.io crate wz-utf8 1.0.1 [INFO] finished tweaking crates.io crate wz-utf8 1.0.1 [INFO] tweaked toml for crates.io crate wz-utf8 1.0.1 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 94 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding rstest v0.15.0 (latest: v0.18.2) [INFO] [stderr] Adding rstest_macros v0.14.0 (latest: v0.18.2) [INFO] [stderr] Adding speculoos v0.9.0 (latest: v0.11.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7b681eea3dfec80c87dcdb8e82922c626547d0176023d75a1f57c145a5ac4cc6 [INFO] running `Command { std: "docker" "start" "-a" "7b681eea3dfec80c87dcdb8e82922c626547d0176023d75a1f57c145a5ac4cc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b681eea3dfec80c87dcdb8e82922c626547d0176023d75a1f57c145a5ac4cc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b681eea3dfec80c87dcdb8e82922c626547d0176023d75a1f57c145a5ac4cc6", kill_on_drop: false }` [INFO] [stdout] 7b681eea3dfec80c87dcdb8e82922c626547d0176023d75a1f57c145a5ac4cc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 50f7c2cbdf8f41d2fa9ca29aa8ede37da1dcb9330e7b6b389a27bff58e6dffe8 [INFO] running `Command { std: "docker" "start" "-a" "50f7c2cbdf8f41d2fa9ca29aa8ede37da1dcb9330e7b6b389a27bff58e6dffe8", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking wz-core v1.0.0 [INFO] [stderr] Checking bytecount v0.6.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking wz-utf8 v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling rstest_macros v0.14.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking speculoos v0.9.0 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking rstest v0.15.0 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.03s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [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" "50f7c2cbdf8f41d2fa9ca29aa8ede37da1dcb9330e7b6b389a27bff58e6dffe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50f7c2cbdf8f41d2fa9ca29aa8ede37da1dcb9330e7b6b389a27bff58e6dffe8", kill_on_drop: false }` [INFO] [stdout] 50f7c2cbdf8f41d2fa9ca29aa8ede37da1dcb9330e7b6b389a27bff58e6dffe8