[INFO] cloning repository https://github.com/kdwk/playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kdwk/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdwk%2Fplayground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdwk%2Fplayground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a233162730c9daa70485550e357d29641f65f1bb [INFO] checking kdwk/playground against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdwk%2Fplayground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kdwk/playground 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/kdwk/playground [INFO] finished tweaking git repo https://github.com/kdwk/playground [INFO] tweaked toml for git repo https://github.com/kdwk/playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kdwk/playground 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] Downloading crates ... [INFO] [stderr] Downloaded extend v1.2.0 [INFO] [stderr] Downloaded open v5.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 91fb802ddee930676789236de3e0994274905523adad1f9b8ee8caa38eaa53e0 [INFO] running `Command { std: "docker" "start" "-a" "91fb802ddee930676789236de3e0994274905523adad1f9b8ee8caa38eaa53e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91fb802ddee930676789236de3e0994274905523adad1f9b8ee8caa38eaa53e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91fb802ddee930676789236de3e0994274905523adad1f9b8ee8caa38eaa53e0", kill_on_drop: false }` [INFO] [stdout] 91fb802ddee930676789236de3e0994274905523adad1f9b8ee8caa38eaa53e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b20f38753f953398d839cce5e60989192f4bece240d5276263553d1173519cf6 [INFO] running `Command { std: "docker" "start" "-a" "b20f38753f953398d839cce5e60989192f4bece240d5276263553d1173519cf6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Checking option-ext v0.2.0 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking is-docker v0.2.0 [INFO] [stderr] Checking is-wsl v0.4.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking dirs-sys v0.4.1 [INFO] [stderr] Checking open v5.0.1 [INFO] [stderr] Checking directories v5.0.1 [INFO] [stderr] Compiling extend v1.2.0 [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `replace_first`, `replace_initial`, `remove_first`, `remove`, and `get` are never used [INFO] [stdout] --> src/recipe.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl<'a, Ingredients, Outcome> Recipe<'a, Ingredients, Outcome> { [INFO] [stdout] | --------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn replace_first + 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn replace_initial + 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn remove_first(&mut self, alias: impl ToString) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn remove(&mut self, alias: impl ToString) -> &mut Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn get(&self, alias: impl ToString) -> Step<'a, Outcome, Outcome> [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `replace_first`, `replace_initial`, `remove_first`, `remove`, and `get` are never used [INFO] [stdout] --> src/recipe.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl<'a, Ingredients, Outcome> Recipe<'a, Ingredients, Outcome> { [INFO] [stdout] | --------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn replace_first + 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn replace_initial + 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn remove_first(&mut self, alias: impl ToString) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn remove(&mut self, alias: impl ToString) -> &mut Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn get(&self, alias: impl ToString) -> Step<'a, Outcome, Outcome> [INFO] [stdout] | ^^^ [INFO] [stdout] | [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.04s [INFO] running `Command { std: "docker" "inspect" "b20f38753f953398d839cce5e60989192f4bece240d5276263553d1173519cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b20f38753f953398d839cce5e60989192f4bece240d5276263553d1173519cf6", kill_on_drop: false }` [INFO] [stdout] b20f38753f953398d839cce5e60989192f4bece240d5276263553d1173519cf6 [INFO] checking kdwk/playground against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdwk%2Fplayground" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kdwk/playground 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/kdwk/playground [INFO] finished tweaking git repo https://github.com/kdwk/playground [INFO] tweaked toml for git repo https://github.com/kdwk/playground written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kdwk/playground 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6aee991314a3310a3443b492e8ac4ac6b567372bf99425f33470658acf12da08 [INFO] running `Command { std: "docker" "start" "-a" "6aee991314a3310a3443b492e8ac4ac6b567372bf99425f33470658acf12da08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6aee991314a3310a3443b492e8ac4ac6b567372bf99425f33470658acf12da08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aee991314a3310a3443b492e8ac4ac6b567372bf99425f33470658acf12da08", kill_on_drop: false }` [INFO] [stdout] 6aee991314a3310a3443b492e8ac4ac6b567372bf99425f33470658acf12da08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0297c56d5fb471d93db99a8f704156db1a57dfb8779465c8daf99334153bd8f7 [INFO] running `Command { std: "docker" "start" "-a" "0297c56d5fb471d93db99a8f704156db1a57dfb8779465c8daf99334153bd8f7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking option-ext v0.2.0 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking is-docker v0.2.0 [INFO] [stderr] Checking is-wsl v0.4.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking dirs-sys v0.4.1 [INFO] [stderr] Checking open v5.0.1 [INFO] [stderr] Checking directories v5.0.1 [INFO] [stderr] Compiling extend v1.2.0 [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `replace_first`, `replace_initial`, `remove_first`, `remove`, and `get` are never used [INFO] [stdout] --> src/recipe.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl<'a, Ingredients, Outcome> Recipe<'a, Ingredients, Outcome> { [INFO] [stdout] | --------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn replace_first + 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn replace_initial + 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn remove_first(&mut self, alias: impl ToString) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn remove(&mut self, alias: impl ToString) -> &mut Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn get(&self, alias: impl ToString) -> Step<'a, Outcome, Outcome> [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `replace_first`, `replace_initial`, `remove_first`, `remove`, and `get` are never used [INFO] [stdout] --> src/recipe.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl<'a, Ingredients, Outcome> Recipe<'a, Ingredients, Outcome> { [INFO] [stdout] | --------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn replace_first + 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn replace_initial + 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn remove_first(&mut self, alias: impl ToString) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn remove(&mut self, alias: impl ToString) -> &mut Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | pub fn get(&self, alias: impl ToString) -> Step<'a, Outcome, Outcome> [INFO] [stdout] | ^^^ [INFO] [stdout] | [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.60s [INFO] running `Command { std: "docker" "inspect" "0297c56d5fb471d93db99a8f704156db1a57dfb8779465c8daf99334153bd8f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0297c56d5fb471d93db99a8f704156db1a57dfb8779465c8daf99334153bd8f7", kill_on_drop: false }` [INFO] [stdout] 0297c56d5fb471d93db99a8f704156db1a57dfb8779465c8daf99334153bd8f7