[INFO] fetching crate tectonic_io_base 0.4.2... [INFO] checking tectonic_io_base-0.4.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate tectonic_io_base 0.4.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate tectonic_io_base 0.4.2 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 tectonic_io_base 0.4.2 [INFO] finished tweaking crates.io crate tectonic_io_base 0.4.2 [INFO] tweaked toml for crates.io crate tectonic_io_base 0.4.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 53 packages [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding jni-sys v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding windows-sys v0.45.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4) [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 tectonic_errors v0.2.1 [INFO] [stderr] Downloaded app_dirs2 v2.5.5 [INFO] [stderr] Downloaded tectonic_status_base v0.2.1 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d10d45af4a03cf54abe2cd286a55c16cab56ac5172e9b5a24d9a4b3523b8c430 [INFO] running `Command { std: "docker" "start" "-a" "d10d45af4a03cf54abe2cd286a55c16cab56ac5172e9b5a24d9a4b3523b8c430", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d10d45af4a03cf54abe2cd286a55c16cab56ac5172e9b5a24d9a4b3523b8c430", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d10d45af4a03cf54abe2cd286a55c16cab56ac5172e9b5a24d9a4b3523b8c430", kill_on_drop: false }` [INFO] [stdout] d10d45af4a03cf54abe2cd286a55c16cab56ac5172e9b5a24d9a4b3523b8c430 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db45ded9054b05f800dd46b78eac0009a625448628d5465bcb82b65f32445c47 [INFO] running `Command { std: "docker" "start" "-a" "db45ded9054b05f800dd46b78eac0009a625448628d5465bcb82b65f32445c47", kill_on_drop: false }` [INFO] [stderr] Compiling libz-sys v1.1.16 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Checking tectonic_errors v0.2.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tectonic_status_base v0.2.1 [INFO] [stderr] Checking app_dirs2 v2.5.5 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking tectonic_io_base v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/digest.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/digest.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "db45ded9054b05f800dd46b78eac0009a625448628d5465bcb82b65f32445c47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db45ded9054b05f800dd46b78eac0009a625448628d5465bcb82b65f32445c47", kill_on_drop: false }` [INFO] [stdout] db45ded9054b05f800dd46b78eac0009a625448628d5465bcb82b65f32445c47 [INFO] checking tectonic_io_base-0.4.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate tectonic_io_base 0.4.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate tectonic_io_base 0.4.2 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 tectonic_io_base 0.4.2 [INFO] finished tweaking crates.io crate tectonic_io_base 0.4.2 [INFO] tweaked toml for crates.io crate tectonic_io_base 0.4.2 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" "+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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dce7eb4eb3b3b296b7ec3f5d7416c4bf916cc0961cad1ca4f87ea47cf3524b95 [INFO] running `Command { std: "docker" "start" "-a" "dce7eb4eb3b3b296b7ec3f5d7416c4bf916cc0961cad1ca4f87ea47cf3524b95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dce7eb4eb3b3b296b7ec3f5d7416c4bf916cc0961cad1ca4f87ea47cf3524b95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dce7eb4eb3b3b296b7ec3f5d7416c4bf916cc0961cad1ca4f87ea47cf3524b95", kill_on_drop: false }` [INFO] [stdout] dce7eb4eb3b3b296b7ec3f5d7416c4bf916cc0961cad1ca4f87ea47cf3524b95 [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86228c9f78d4a9fd1e1b9e2c9ca8790fccfaa7a0a4238c38fb3a9913eee70b57 [INFO] running `Command { std: "docker" "start" "-a" "86228c9f78d4a9fd1e1b9e2c9ca8790fccfaa7a0a4238c38fb3a9913eee70b57", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling libz-sys v1.1.16 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking app_dirs2 v2.5.5 [INFO] [stderr] Checking tectonic_errors v0.2.1 [INFO] [stderr] Checking tectonic_status_base v0.2.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking tectonic_io_base v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/digest.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/digest.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/stack.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | / match r { [INFO] [stdout] 34 | | OpenResult::NotAvailable => continue, [INFO] [stdout] 35 | | _ => return r, [INFO] [stdout] 36 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/stack.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | / match r { [INFO] [stdout] 34 | | OpenResult::NotAvailable => continue, [INFO] [stdout] 35 | | _ => return r, [INFO] [stdout] 36 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tectonic_io_base` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tectonic_io_base` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "86228c9f78d4a9fd1e1b9e2c9ca8790fccfaa7a0a4238c38fb3a9913eee70b57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86228c9f78d4a9fd1e1b9e2c9ca8790fccfaa7a0a4238c38fb3a9913eee70b57", kill_on_drop: false }` [INFO] [stdout] 86228c9f78d4a9fd1e1b9e2c9ca8790fccfaa7a0a4238c38fb3a9913eee70b57