[INFO] cloning repository https://github.com/Levitanus/generic_mutability_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Levitanus/generic_mutability_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitanus%2Fgeneric_mutability_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitanus%2Fgeneric_mutability_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70b844e8d9c0b0c581108ae050066a2d72943b0e [INFO] checking Levitanus/generic_mutability_test against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitanus%2Fgeneric_mutability_test" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Levitanus/generic_mutability_test 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 git repo https://github.com/Levitanus/generic_mutability_test [INFO] finished tweaking git repo https://github.com/Levitanus/generic_mutability_test [INFO] tweaked toml for git repo https://github.com/Levitanus/generic_mutability_test written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Levitanus/generic_mutability_test 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1bc80e412446e2bcb3ce5946207aa5bfa3d91929328bd8f3c8e8de9b91d012df [INFO] running `Command { std: "docker" "start" "-a" "1bc80e412446e2bcb3ce5946207aa5bfa3d91929328bd8f3c8e8de9b91d012df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1bc80e412446e2bcb3ce5946207aa5bfa3d91929328bd8f3c8e8de9b91d012df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bc80e412446e2bcb3ce5946207aa5bfa3d91929328bd8f3c8e8de9b91d012df", kill_on_drop: false }` [INFO] [stdout] 1bc80e412446e2bcb3ce5946207aa5bfa3d91929328bd8f3c8e8de9b91d012df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1cb78e4ffc08b1e79c1f2438451fcffc4e915d8ab5ea11fcb9478ee678be91c1 [INFO] running `Command { std: "docker" "start" "-a" "1cb78e4ffc08b1e79c1f2438451fcffc4e915d8ab5ea11fcb9478ee678be91c1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking generic_mutability_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:447:13 [INFO] [stdout] | [INFO] [stdout] 447 | x => Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:447:13 [INFO] [stdout] | [INFO] [stdout] 447 | x => Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_mutable` is never used [INFO] [stdout] --> src/main.rs:402:8 [INFO] [stdout] | [INFO] [stdout] 401 | trait ProbablyMutable { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] 402 | fn is_mutable(&self) -> bool; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `root` are never read [INFO] [stdout] --> src/main.rs:437:5 [INFO] [stdout] | [INFO] [stdout] 435 | struct Window<'a, T: ProbablyMutable> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 436 | id: usize, [INFO] [stdout] 437 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 440 | root: &'a Root, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_mutable` is never used [INFO] [stdout] --> src/main.rs:402:8 [INFO] [stdout] | [INFO] [stdout] 401 | trait ProbablyMutable { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] 402 | fn is_mutable(&self) -> bool; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_name` and `get_width` are never used [INFO] [stdout] --> src/main.rs:461:8 [INFO] [stdout] | [INFO] [stdout] 443 | impl<'a, T: ProbablyMutable> Window<'a, T> { [INFO] [stdout] | ------------------------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 461 | fn get_name(&self) -> &String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 464 | fn get_width(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_name` is never used [INFO] [stdout] --> src/main.rs:478:8 [INFO] [stdout] | [INFO] [stdout] 477 | impl<'a> Window<'a, Mutable> { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] 478 | fn set_name(&mut self, name: impl Into) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `root` are never read [INFO] [stdout] --> src/main.rs:437:5 [INFO] [stdout] | [INFO] [stdout] 435 | struct Window<'a, T: ProbablyMutable> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 436 | id: usize, [INFO] [stdout] 437 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 440 | root: &'a Root, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `window` and `width_px` are never read [INFO] [stdout] --> src/main.rs:498:5 [INFO] [stdout] | [INFO] [stdout] 497 | struct Frame<'a, T: ProbablyMutable> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 498 | window: &'a Window<'a, T>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 499 | id: usize, [INFO] [stdout] 500 | width_px: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_name` and `get_width` are never used [INFO] [stdout] --> src/main.rs:461:8 [INFO] [stdout] | [INFO] [stdout] 443 | impl<'a, T: ProbablyMutable> Window<'a, T> { [INFO] [stdout] | ------------------------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 461 | fn get_name(&self) -> &String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 464 | fn get_width(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_width` is never used [INFO] [stdout] --> src/main.rs:520:8 [INFO] [stdout] | [INFO] [stdout] 503 | impl<'a, T: ProbablyMutable> Frame<'a, T> { [INFO] [stdout] | ----------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 520 | fn get_width(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_name` is never used [INFO] [stdout] --> src/main.rs:478:8 [INFO] [stdout] | [INFO] [stdout] 477 | impl<'a> Window<'a, Mutable> { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] 478 | fn set_name(&mut self, name: impl Into) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_width` is never used [INFO] [stdout] --> src/main.rs:533:8 [INFO] [stdout] | [INFO] [stdout] 532 | impl<'a> Frame<'a, Mutable> { [INFO] [stdout] | --------------------------- method in this implementation [INFO] [stdout] 533 | fn set_width(&mut self, width_px: impl Into) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `window` and `width_px` are never read [INFO] [stdout] --> src/main.rs:498:5 [INFO] [stdout] | [INFO] [stdout] 497 | struct Frame<'a, T: ProbablyMutable> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 498 | window: &'a Window<'a, T>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 499 | id: usize, [INFO] [stdout] 500 | width_px: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_width` is never used [INFO] [stdout] --> src/main.rs:520:8 [INFO] [stdout] | [INFO] [stdout] 503 | impl<'a, T: ProbablyMutable> Frame<'a, T> { [INFO] [stdout] | ----------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 520 | fn get_width(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_text` is never used [INFO] [stdout] --> src/main.rs:553:8 [INFO] [stdout] | [INFO] [stdout] 545 | trait Button [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 553 | fn get_text(&self) -> &String; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ButtonMut` is never used [INFO] [stdout] --> src/main.rs:555:7 [INFO] [stdout] | [INFO] [stdout] 555 | trait ButtonMut [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_width` is never used [INFO] [stdout] --> src/main.rs:533:8 [INFO] [stdout] | [INFO] [stdout] 532 | impl<'a> Frame<'a, Mutable> { [INFO] [stdout] | --------------------------- method in this implementation [INFO] [stdout] 533 | fn set_width(&mut self, width_px: impl Into) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `text` is never read [INFO] [stdout] --> src/main.rs:566:5 [INFO] [stdout] | [INFO] [stdout] 564 | struct WindowButton<'a, T: ProbablyMutable> { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 565 | id: usize, [INFO] [stdout] 566 | text: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_text` is never used [INFO] [stdout] --> src/main.rs:553:8 [INFO] [stdout] | [INFO] [stdout] 545 | trait Button [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 553 | fn get_text(&self) -> &String; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ButtonMut` is never used [INFO] [stdout] --> src/main.rs:555:7 [INFO] [stdout] | [INFO] [stdout] 555 | trait ButtonMut [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `text` is never read [INFO] [stdout] --> src/main.rs:611:5 [INFO] [stdout] | [INFO] [stdout] 609 | struct FrameButton<'a, T: ProbablyMutable> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 610 | id: usize, [INFO] [stdout] 611 | text: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `text` is never read [INFO] [stdout] --> src/main.rs:566:5 [INFO] [stdout] | [INFO] [stdout] 564 | struct WindowButton<'a, T: ProbablyMutable> { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 565 | id: usize, [INFO] [stdout] 566 | text: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `window_button_click` is never used [INFO] [stdout] --> src/main.rs:371:12 [INFO] [stdout] | [INFO] [stdout] 371 | pub fn window_button_click(window_id: usize, button_id: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `text` is never read [INFO] [stdout] --> src/main.rs:611:5 [INFO] [stdout] | [INFO] [stdout] 609 | struct FrameButton<'a, T: ProbablyMutable> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 610 | id: usize, [INFO] [stdout] 611 | text: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `window_button_set_text` is never used [INFO] [stdout] --> src/main.rs:377:12 [INFO] [stdout] | [INFO] [stdout] 377 | pub fn window_button_set_text(window_id: usize, button_id: usize, text: &String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `window_button_click` is never used [INFO] [stdout] --> src/main.rs:371:12 [INFO] [stdout] | [INFO] [stdout] 371 | pub fn window_button_click(window_id: usize, button_id: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `frame_button_click` is never used [INFO] [stdout] --> src/main.rs:387:12 [INFO] [stdout] | [INFO] [stdout] 387 | pub fn frame_button_click(frame_id: usize, button_id: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `window_button_set_text` is never used [INFO] [stdout] --> src/main.rs:377:12 [INFO] [stdout] | [INFO] [stdout] 377 | pub fn window_button_set_text(window_id: usize, button_id: usize, text: &String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `frame_button_set_text` is never used [INFO] [stdout] --> src/main.rs:393:12 [INFO] [stdout] | [INFO] [stdout] 393 | pub fn frame_button_set_text(frame_id: usize, button_id: usize, text: &String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `frame_button_click` is never used [INFO] [stdout] --> src/main.rs:387:12 [INFO] [stdout] | [INFO] [stdout] 387 | pub fn frame_button_click(frame_id: usize, button_id: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `frame_button_set_text` is never used [INFO] [stdout] --> src/main.rs:393:12 [INFO] [stdout] | [INFO] [stdout] 393 | pub fn frame_button_set_text(frame_id: usize, button_id: usize, text: &String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s [INFO] running `Command { std: "docker" "inspect" "1cb78e4ffc08b1e79c1f2438451fcffc4e915d8ab5ea11fcb9478ee678be91c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cb78e4ffc08b1e79c1f2438451fcffc4e915d8ab5ea11fcb9478ee678be91c1", kill_on_drop: false }` [INFO] [stdout] 1cb78e4ffc08b1e79c1f2438451fcffc4e915d8ab5ea11fcb9478ee678be91c1 [INFO] checking Levitanus/generic_mutability_test against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitanus%2Fgeneric_mutability_test" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Levitanus/generic_mutability_test 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 git repo https://github.com/Levitanus/generic_mutability_test [INFO] finished tweaking git repo https://github.com/Levitanus/generic_mutability_test [INFO] tweaked toml for git repo https://github.com/Levitanus/generic_mutability_test written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Levitanus/generic_mutability_test 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ad2cd124b2983f47d8f56a57235c519abdfd4d75d46f529aba10f07f81a55307 [INFO] running `Command { std: "docker" "start" "-a" "ad2cd124b2983f47d8f56a57235c519abdfd4d75d46f529aba10f07f81a55307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad2cd124b2983f47d8f56a57235c519abdfd4d75d46f529aba10f07f81a55307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad2cd124b2983f47d8f56a57235c519abdfd4d75d46f529aba10f07f81a55307", kill_on_drop: false }` [INFO] [stdout] ad2cd124b2983f47d8f56a57235c519abdfd4d75d46f529aba10f07f81a55307 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 91c176d647c83f50f448b601abe585b7148b063ff748bb44b438bebf08d9f848 [INFO] running `Command { std: "docker" "start" "-a" "91c176d647c83f50f448b601abe585b7148b063ff748bb44b438bebf08d9f848", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.0/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "91c176d647c83f50f448b601abe585b7148b063ff748bb44b438bebf08d9f848", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91c176d647c83f50f448b601abe585b7148b063ff748bb44b438bebf08d9f848", kill_on_drop: false }` [INFO] [stdout] 91c176d647c83f50f448b601abe585b7148b063ff748bb44b438bebf08d9f848