[INFO] fetching crate sefr 0.3.1... [INFO] checking sefr-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate sefr 0.3.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate sefr 0.3.1 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 sefr 0.3.1 [INFO] finished tweaking crates.io crate sefr 0.3.1 [INFO] tweaked toml for crates.io crate sefr 0.3.1 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 48 packages [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.0) [INFO] [stderr] Adding crossterm v0.9.6 (latest: v0.27.0) [INFO] [stderr] Adding crossterm_cursor v0.2.6 (latest: v0.4.0) [INFO] [stderr] Adding crossterm_input v0.3.9 (latest: v0.5.0) [INFO] [stderr] Adding crossterm_screen v0.2.5 (latest: v0.3.2) [INFO] [stderr] Adding crossterm_style v0.3.3 (latest: v0.5.2) [INFO] [stderr] Adding crossterm_terminal v0.2.6 (latest: v0.3.2) [INFO] [stderr] Adding crossterm_utils v0.2.4 (latest: v0.4.0) [INFO] [stderr] Adding crossterm_winapi v0.1.5 (latest: v0.9.1) [INFO] [stderr] Adding directories v1.0.2 (latest: v5.0.1) [INFO] [stderr] Adding json v0.11.15 (latest: v0.12.4) [INFO] [stderr] Adding minreq v1.4.1 (latest: v2.11.1) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding ring v0.16.20 (latest: v0.17.8) [INFO] [stderr] Adding rustls v0.16.0 (latest: v0.23.4) [INFO] [stderr] Adding sct v0.6.1 (latest: v0.7.1) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding untrusted v0.7.1 (latest: v0.9.0) [INFO] [stderr] Adding webbrowser v0.5.5 (latest: v0.8.13) [INFO] [stderr] Adding webpki v0.21.4 (latest: v0.22.4) [INFO] [stderr] Adding webpki-roots v0.18.0 (latest: v0.26.1) [INFO] [stderr] Adding widestring v0.4.3 (latest: v1.0.2) [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 webbrowser v0.5.5 [INFO] [stderr] Downloaded json v0.11.15 [INFO] [stderr] Downloaded crossterm_utils v0.2.4 [INFO] [stderr] Downloaded directories v1.0.2 [INFO] [stderr] Downloaded crossterm_screen v0.2.5 [INFO] [stderr] Downloaded minreq v1.4.1 [INFO] [stderr] Downloaded crossterm_input v0.3.9 [INFO] [stderr] Downloaded crossterm_cursor v0.2.6 [INFO] [stderr] Downloaded crossterm_style v0.3.3 [INFO] [stderr] Downloaded webpki-roots v0.18.0 [INFO] [stderr] Downloaded crossterm_terminal v0.2.6 [INFO] [stderr] Downloaded rustls v0.16.0 [INFO] [stderr] Downloaded crossterm_winapi v0.1.5 [INFO] [stderr] Downloaded crossterm v0.9.6 [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] 4ce8450dca4e9002e74b92ca3c6c7ef10d49c7e8815a417faa94df2c0dbf9ad4 [INFO] running `Command { std: "docker" "start" "-a" "4ce8450dca4e9002e74b92ca3c6c7ef10d49c7e8815a417faa94df2c0dbf9ad4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ce8450dca4e9002e74b92ca3c6c7ef10d49c7e8815a417faa94df2c0dbf9ad4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ce8450dca4e9002e74b92ca3c6c7ef10d49c7e8815a417faa94df2c0dbf9ad4", kill_on_drop: false }` [INFO] [stdout] 4ce8450dca4e9002e74b92ca3c6c7ef10d49c7e8815a417faa94df2c0dbf9ad4 [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] 5d1543f1a718ab5f00466b52efdf2fecd5fdfa86efde5384b8f87a9f33529527 [INFO] running `Command { std: "docker" "start" "-a" "5d1543f1a718ab5f00466b52efdf2fecd5fdfa86efde5384b8f87a9f33529527", kill_on_drop: false }` [INFO] [stderr] Checking webbrowser v0.5.5 [INFO] [stderr] Checking crossterm_utils v0.2.4 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking directories v1.0.2 [INFO] [stderr] Checking json v0.11.15 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking crossterm_screen v0.2.5 [INFO] [stderr] Checking crossterm_cursor v0.2.6 [INFO] [stderr] Checking crossterm_style v0.3.3 [INFO] [stderr] Checking crossterm_input v0.3.9 [INFO] [stderr] Checking crossterm_terminal v0.2.6 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Checking crossterm v0.9.6 [INFO] [stderr] Checking minreq v1.4.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking sefr v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:322:56 [INFO] [stdout] | [INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:322:56 [INFO] [stdout] | [INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result> { [INFO] [stdout] | +++ [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 13.35s [INFO] running `Command { std: "docker" "inspect" "5d1543f1a718ab5f00466b52efdf2fecd5fdfa86efde5384b8f87a9f33529527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d1543f1a718ab5f00466b52efdf2fecd5fdfa86efde5384b8f87a9f33529527", kill_on_drop: false }` [INFO] [stdout] 5d1543f1a718ab5f00466b52efdf2fecd5fdfa86efde5384b8f87a9f33529527 [INFO] checking sefr-0.3.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate sefr 0.3.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate sefr 0.3.1 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 sefr 0.3.1 [INFO] finished tweaking crates.io crate sefr 0.3.1 [INFO] tweaked toml for crates.io crate sefr 0.3.1 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 48 packages [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.0) [INFO] [stderr] Adding crossterm v0.9.6 (latest: v0.27.0) [INFO] [stderr] Adding crossterm_cursor v0.2.6 (latest: v0.4.0) [INFO] [stderr] Adding crossterm_input v0.3.9 (latest: v0.5.0) [INFO] [stderr] Adding crossterm_screen v0.2.5 (latest: v0.3.2) [INFO] [stderr] Adding crossterm_style v0.3.3 (latest: v0.5.2) [INFO] [stderr] Adding crossterm_terminal v0.2.6 (latest: v0.3.2) [INFO] [stderr] Adding crossterm_utils v0.2.4 (latest: v0.4.0) [INFO] [stderr] Adding crossterm_winapi v0.1.5 (latest: v0.9.1) [INFO] [stderr] Adding directories v1.0.2 (latest: v5.0.1) [INFO] [stderr] Adding json v0.11.15 (latest: v0.12.4) [INFO] [stderr] Adding minreq v1.4.1 (latest: v2.11.1) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding ring v0.16.20 (latest: v0.17.8) [INFO] [stderr] Adding rustls v0.16.0 (latest: v0.23.4) [INFO] [stderr] Adding sct v0.6.1 (latest: v0.7.1) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding untrusted v0.7.1 (latest: v0.9.0) [INFO] [stderr] Adding webbrowser v0.5.5 (latest: v0.8.13) [INFO] [stderr] Adding webpki v0.21.4 (latest: v0.22.4) [INFO] [stderr] Adding webpki-roots v0.18.0 (latest: v0.26.1) [INFO] [stderr] Adding widestring v0.4.3 (latest: v1.0.2) [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] c4463c7cf00c7a2b86a130bd603e80a0e11c233d31b5c0d83812ba8f583b0893 [INFO] running `Command { std: "docker" "start" "-a" "c4463c7cf00c7a2b86a130bd603e80a0e11c233d31b5c0d83812ba8f583b0893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4463c7cf00c7a2b86a130bd603e80a0e11c233d31b5c0d83812ba8f583b0893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4463c7cf00c7a2b86a130bd603e80a0e11c233d31b5c0d83812ba8f583b0893", kill_on_drop: false }` [INFO] [stdout] c4463c7cf00c7a2b86a130bd603e80a0e11c233d31b5c0d83812ba8f583b0893 [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] 3f96b7f2aa2c6f2661a4959effbba84d26a27dedc1b5bd2354b038d2f1c3e899 [INFO] running `Command { std: "docker" "start" "-a" "3f96b7f2aa2c6f2661a4959effbba84d26a27dedc1b5bd2354b038d2f1c3e899", kill_on_drop: false }` [INFO] [stderr] Checking json v0.11.15 [INFO] [stderr] Checking crossterm_utils v0.2.4 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking directories v1.0.2 [INFO] [stderr] Checking webbrowser v0.5.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking crossterm_screen v0.2.5 [INFO] [stderr] Checking crossterm_cursor v0.2.6 [INFO] [stderr] Checking crossterm_input v0.3.9 [INFO] [stderr] Checking crossterm_terminal v0.2.6 [INFO] [stderr] Checking crossterm_style v0.3.3 [INFO] [stderr] Checking crossterm v0.9.6 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Checking minreq v1.4.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking sefr v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:322:56 [INFO] [stdout] | [INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:322:56 [INFO] [stdout] | [INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 322 | fn fetch_suggs(url: String) -> Result> { [INFO] [stdout] | +++ [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 16.68s [INFO] running `Command { std: "docker" "inspect" "3f96b7f2aa2c6f2661a4959effbba84d26a27dedc1b5bd2354b038d2f1c3e899", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f96b7f2aa2c6f2661a4959effbba84d26a27dedc1b5bd2354b038d2f1c3e899", kill_on_drop: false }` [INFO] [stdout] 3f96b7f2aa2c6f2661a4959effbba84d26a27dedc1b5bd2354b038d2f1c3e899