[INFO] cloning repository https://github.com/samestep/monkey-barrel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samestep/monkey-barrel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamestep%2Fmonkey-barrel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamestep%2Fmonkey-barrel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e866be6a2d4376ca0ef60e2a25696d4c4824fe43 [INFO] checking samestep/monkey-barrel against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamestep%2Fmonkey-barrel" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/samestep/monkey-barrel 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 git repo https://github.com/samestep/monkey-barrel [INFO] finished tweaking git repo https://github.com/samestep/monkey-barrel [INFO] tweaked toml for git repo https://github.com/samestep/monkey-barrel written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/samestep/monkey-barrel already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded minkowski v0.2.0 [INFO] [stderr] Downloaded fontdb v0.16.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ffbe7d99421b6dbac10ae2bfdbabb8e686c89d650189aa6a15b24a89ab7cd53c [INFO] running `Command { std: "docker" "start" "-a" "ffbe7d99421b6dbac10ae2bfdbabb8e686c89d650189aa6a15b24a89ab7cd53c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffbe7d99421b6dbac10ae2bfdbabb8e686c89d650189aa6a15b24a89ab7cd53c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffbe7d99421b6dbac10ae2bfdbabb8e686c89d650189aa6a15b24a89ab7cd53c", kill_on_drop: false }` [INFO] [stdout] ffbe7d99421b6dbac10ae2bfdbabb8e686c89d650189aa6a15b24a89ab7cd53c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2af7f0e89d92d6138757fbb584b7843322c29a5a1eb720f64fb312fe464ce585 [INFO] running `Command { std: "docker" "start" "-a" "2af7f0e89d92d6138757fbb584b7843322c29a5a1eb720f64fb312fe464ce585", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking bytemuck v1.14.0 [INFO] [stderr] Checking simd-adler32 v0.3.7 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Checking xmlparser v0.13.6 [INFO] [stderr] Checking ttf-parser v0.20.0 [INFO] [stderr] Checking unicode-script v0.5.5 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Checking unicode-bidi-mirroring v0.1.0 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking unicode-properties v0.1.1 [INFO] [stderr] Checking unicode-ccc v0.1.2 [INFO] [stderr] Checking simplecss v0.2.1 [INFO] [stderr] Checking data-url v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking fdeflate v0.3.4 [INFO] [stderr] Checking imagesize v0.12.0 [INFO] [stderr] Checking roxmltree v0.19.0 [INFO] [stderr] Checking strict-num v0.1.1 [INFO] [stderr] Checking kurbo v0.9.5 [INFO] [stderr] Checking unicode-vo v0.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking pico-args v0.5.0 [INFO] [stderr] Checking xmlwriter v0.1.0 [INFO] [stderr] Checking tiny-skia-path v0.11.3 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking rgb v0.8.37 [INFO] [stderr] Checking jpeg-decoder v0.3.1 [INFO] [stderr] Checking minkowski v0.2.0 [INFO] [stderr] Checking gif v0.12.0 [INFO] [stderr] Checking roxmltree v0.18.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking svgtypes v0.13.0 [INFO] [stderr] Checking fontconfig-parser v0.5.3 [INFO] [stderr] Checking png v0.17.11 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking memmap2 v0.9.3 [INFO] [stderr] Checking usvg-tree v0.38.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking usvg-parser v0.38.0 [INFO] [stderr] Checking tiny-skia v0.11.3 [INFO] [stderr] Checking rustybuzz v0.12.1 [INFO] [stderr] Checking fontdb v0.16.0 [INFO] [stderr] Checking usvg-text-layout v0.38.0 [INFO] [stderr] Checking usvg v0.38.0 [INFO] [stderr] Checking resvg v0.38.0 [INFO] [stderr] Checking text-optimization v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `state`, `r`, and `t` are never read [INFO] [stdout] --> src/lbfgs.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 158 | pub struct Info<'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 159 | /// Data about previous steps. [INFO] [stdout] 160 | pub state: &'a State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | pub r: &'a [f64], [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 172 | pub t: f64, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Info` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `state`, `r`, and `t` are never read [INFO] [stdout] --> src/lbfgs.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 158 | pub struct Info<'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 159 | /// Data about previous steps. [INFO] [stdout] 160 | pub state: &'a State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | pub r: &'a [f64], [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 172 | pub t: f64, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Info` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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 6.98s [INFO] running `Command { std: "docker" "inspect" "2af7f0e89d92d6138757fbb584b7843322c29a5a1eb720f64fb312fe464ce585", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2af7f0e89d92d6138757fbb584b7843322c29a5a1eb720f64fb312fe464ce585", kill_on_drop: false }` [INFO] [stdout] 2af7f0e89d92d6138757fbb584b7843322c29a5a1eb720f64fb312fe464ce585 [INFO] checking samestep/monkey-barrel against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamestep%2Fmonkey-barrel" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/samestep/monkey-barrel 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 git repo https://github.com/samestep/monkey-barrel [INFO] finished tweaking git repo https://github.com/samestep/monkey-barrel [INFO] tweaked toml for git repo https://github.com/samestep/monkey-barrel written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/samestep/monkey-barrel already has a lockfile, it will not be regenerated [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f45cd4af420a621d6b0f6fe466219590d17e356b259efae97711b1683d31654e [INFO] running `Command { std: "docker" "start" "-a" "f45cd4af420a621d6b0f6fe466219590d17e356b259efae97711b1683d31654e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f45cd4af420a621d6b0f6fe466219590d17e356b259efae97711b1683d31654e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f45cd4af420a621d6b0f6fe466219590d17e356b259efae97711b1683d31654e", kill_on_drop: false }` [INFO] [stdout] f45cd4af420a621d6b0f6fe466219590d17e356b259efae97711b1683d31654e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 021660f10ea679534fc1933aa44b2e0f754bff690f3f83cd30bbc5ae7bd7af9e [INFO] running `Command { std: "docker" "start" "-a" "021660f10ea679534fc1933aa44b2e0f754bff690f3f83cd30bbc5ae7bd7af9e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking bytemuck v1.14.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking simd-adler32 v0.3.7 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Checking xmlparser v0.13.6 [INFO] [stderr] Checking ttf-parser v0.20.0 [INFO] [stderr] Checking unicode-ccc v0.1.2 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Checking unicode-bidi-mirroring v0.1.0 [INFO] [stderr] Checking unicode-properties v0.1.1 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking unicode-script v0.5.5 [INFO] [stderr] Checking simplecss v0.2.1 [INFO] [stderr] Checking imagesize v0.12.0 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking data-url v0.3.1 [INFO] [stderr] Checking strict-num v0.1.1 [INFO] [stderr] Checking roxmltree v0.19.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking kurbo v0.9.5 [INFO] [stderr] Checking fdeflate v0.3.4 [INFO] [stderr] Checking unicode-vo v0.1.0 [INFO] [stderr] Checking tiny-skia-path v0.11.3 [INFO] [stderr] Checking pico-args v0.5.0 [INFO] [stderr] Checking xmlwriter v0.1.0 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking rgb v0.8.37 [INFO] [stderr] Checking roxmltree v0.18.1 [INFO] [stderr] Checking jpeg-decoder v0.3.1 [INFO] [stderr] Checking minkowski v0.2.0 [INFO] [stderr] Checking gif v0.12.0 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking fontconfig-parser v0.5.3 [INFO] [stderr] Checking png v0.17.11 [INFO] [stderr] Checking svgtypes v0.13.0 [INFO] [stderr] Checking memmap2 v0.9.3 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking usvg-tree v0.38.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking tiny-skia v0.11.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking fontdb v0.16.0 [INFO] [stderr] Checking rustybuzz v0.12.1 [INFO] [stderr] Checking usvg-parser v0.38.0 [INFO] [stderr] Checking usvg-text-layout v0.38.0 [INFO] [stderr] Checking usvg v0.38.0 [INFO] [stderr] Checking resvg v0.38.0 [INFO] [stderr] Checking text-optimization v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `state`, `r`, and `t` are never read [INFO] [stdout] --> src/lbfgs.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 158 | pub struct Info<'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 159 | /// Data about previous steps. [INFO] [stdout] 160 | pub state: &'a State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | pub r: &'a [f64], [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 172 | pub t: f64, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Info` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `state`, `r`, and `t` are never read [INFO] [stdout] --> src/lbfgs.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 158 | pub struct Info<'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 159 | /// Data about previous steps. [INFO] [stdout] 160 | pub state: &'a State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | pub r: &'a [f64], [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 172 | pub t: f64, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Info` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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 7.62s [INFO] running `Command { std: "docker" "inspect" "021660f10ea679534fc1933aa44b2e0f754bff690f3f83cd30bbc5ae7bd7af9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "021660f10ea679534fc1933aa44b2e0f754bff690f3f83cd30bbc5ae7bd7af9e", kill_on_drop: false }` [INFO] [stdout] 021660f10ea679534fc1933aa44b2e0f754bff690f3f83cd30bbc5ae7bd7af9e