[INFO] fetching crate interpolator 0.5.0... [INFO] checking interpolator-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate interpolator 0.5.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate interpolator 0.5.0 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 interpolator 0.5.0 [INFO] finished tweaking crates.io crate interpolator 0.5.0 [INFO] tweaked toml for crates.io crate interpolator 0.5.0 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 67 packages [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding proptest-derive v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [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 syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 collection_literals v1.0.1 [INFO] [stderr] Downloaded unarray v0.1.4 [INFO] [stderr] Downloaded proptest-derive v0.3.0 [INFO] [stderr] Downloaded rusty-fork v0.3.0 [INFO] [stderr] Downloaded basic-toml v0.1.9 [INFO] [stderr] Downloaded trybuild2 v1.2.0 [INFO] [stderr] Downloaded proptest v1.4.0 [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] 5054910c09252f7d6706b830ef5ea2edf84e63d503c1e1a1fd7e44d2d7c7cf0a [INFO] running `Command { std: "docker" "start" "-a" "5054910c09252f7d6706b830ef5ea2edf84e63d503c1e1a1fd7e44d2d7c7cf0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5054910c09252f7d6706b830ef5ea2edf84e63d503c1e1a1fd7e44d2d7c7cf0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5054910c09252f7d6706b830ef5ea2edf84e63d503c1e1a1fd7e44d2d7c7cf0a", kill_on_drop: false }` [INFO] [stdout] 5054910c09252f7d6706b830ef5ea2edf84e63d503c1e1a1fd7e44d2d7c7cf0a [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] 6b84d50c5015fd94a3603527910e7d0ca380d9768378618d1c7dad0419e02020 [INFO] running `Command { std: "docker" "start" "-a" "6b84d50c5015fd94a3603527910e7d0ca380d9768378618d1c7dad0419e02020", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling trybuild2 v1.2.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking basic-toml v0.1.9 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking collection_literals v1.0.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking interpolator v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/parser.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 78 | pub(crate) struct Range( [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 79 | pub(crate) Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 80 | pub(crate) bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 81 | pub(crate) Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Range` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 79 ~ (), [INFO] [stdout] 80 ~ (), [INFO] [stdout] 81 ~ (), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling proptest-derive v0.3.0 [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/parser.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 78 | pub(crate) struct Range( [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 79 | pub(crate) Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 80 | pub(crate) bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 81 | pub(crate) Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Range` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 79 ~ (), [INFO] [stdout] 80 ~ (), [INFO] [stdout] 81 ~ (), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.50s [INFO] running `Command { std: "docker" "inspect" "6b84d50c5015fd94a3603527910e7d0ca380d9768378618d1c7dad0419e02020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b84d50c5015fd94a3603527910e7d0ca380d9768378618d1c7dad0419e02020", kill_on_drop: false }` [INFO] [stdout] 6b84d50c5015fd94a3603527910e7d0ca380d9768378618d1c7dad0419e02020 [INFO] checking interpolator-0.5.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate interpolator 0.5.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate interpolator 0.5.0 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 interpolator 0.5.0 [INFO] finished tweaking crates.io crate interpolator 0.5.0 [INFO] tweaked toml for crates.io crate interpolator 0.5.0 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 67 packages [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding proptest-derive v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [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 syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] 8f60bdb1ede42e029278f662b5db27caee4b1ac382604fb497f99b41501b628e [INFO] running `Command { std: "docker" "start" "-a" "8f60bdb1ede42e029278f662b5db27caee4b1ac382604fb497f99b41501b628e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f60bdb1ede42e029278f662b5db27caee4b1ac382604fb497f99b41501b628e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f60bdb1ede42e029278f662b5db27caee4b1ac382604fb497f99b41501b628e", kill_on_drop: false }` [INFO] [stdout] 8f60bdb1ede42e029278f662b5db27caee4b1ac382604fb497f99b41501b628e [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] 9e3d8c83cd3613d1650e68967165e03ae6cddae0e3c88978fb2737b09a15cfb2 [INFO] running `Command { std: "docker" "start" "-a" "9e3d8c83cd3613d1650e68967165e03ae6cddae0e3c88978fb2737b09a15cfb2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling trybuild2 v1.2.0 [INFO] [stderr] Checking basic-toml v0.1.9 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking collection_literals v1.0.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking interpolator v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/parser.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 78 | pub(crate) struct Range( [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 79 | pub(crate) Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 80 | pub(crate) bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 81 | pub(crate) Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Range` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 79 ~ (), [INFO] [stdout] 80 ~ (), [INFO] [stdout] 81 ~ (), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling proptest-derive v0.3.0 [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/parser.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 78 | pub(crate) struct Range( [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 79 | pub(crate) Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 80 | pub(crate) bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 81 | pub(crate) Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Range` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 79 ~ (), [INFO] [stdout] 80 ~ (), [INFO] [stdout] 81 ~ (), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.85s [INFO] running `Command { std: "docker" "inspect" "9e3d8c83cd3613d1650e68967165e03ae6cddae0e3c88978fb2737b09a15cfb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e3d8c83cd3613d1650e68967165e03ae6cddae0e3c88978fb2737b09a15cfb2", kill_on_drop: false }` [INFO] [stdout] 9e3d8c83cd3613d1650e68967165e03ae6cddae0e3c88978fb2737b09a15cfb2