[INFO] cloning repository https://github.com/dko1905/rust-idk-tests [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dko1905/rust-idk-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdko1905%2Frust-idk-tests", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdko1905%2Frust-idk-tests'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 429d81eb77c9460d9482d9a224865152fd1fb4ef [INFO] checking dko1905/rust-idk-tests against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdko1905%2Frust-idk-tests" "/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/dko1905/rust-idk-tests 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/dko1905/rust-idk-tests [INFO] finished tweaking git repo https://github.com/dko1905/rust-idk-tests [INFO] tweaked toml for git repo https://github.com/dko1905/rust-idk-tests written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dko1905/rust-idk-tests 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] 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] 65f3ac39e8d763bc3cb5bdd7f3aa7a8b7555403164f7ebbc86d79c79e3f8e557 [INFO] running `Command { std: "docker" "start" "-a" "65f3ac39e8d763bc3cb5bdd7f3aa7a8b7555403164f7ebbc86d79c79e3f8e557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65f3ac39e8d763bc3cb5bdd7f3aa7a8b7555403164f7ebbc86d79c79e3f8e557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65f3ac39e8d763bc3cb5bdd7f3aa7a8b7555403164f7ebbc86d79c79e3f8e557", kill_on_drop: false }` [INFO] [stdout] 65f3ac39e8d763bc3cb5bdd7f3aa7a8b7555403164f7ebbc86d79c79e3f8e557 [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] 8afe09f36030ade37a881ed4a8721318a0340b2ef3fa54ce08616af83587f00d [INFO] running `Command { std: "docker" "start" "-a" "8afe09f36030ade37a881ed4a8721318a0340b2ef3fa54ce08616af83587f00d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling thiserror v1.0.43 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Checking lock_api v0.4.10 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.43 [INFO] [stderr] Checking rust_testing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/main.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::io::{self, AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/main.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::io::{self, AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 39 | / loop { [INFO] [stdout] 40 | | writer.write_all(b"#>").await?; [INFO] [stdout] 41 | | writer.flush().await?; [INFO] [stdout] 42 | | let mut cmd_buf = String::with_capacity(5); [INFO] [stdout] ... | [INFO] [stdout] 49 | | }; [INFO] [stdout] 50 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 51 | [INFO] [stdout] 52 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 39 | / loop { [INFO] [stdout] 40 | | writer.write_all(b"#>").await?; [INFO] [stdout] 41 | | writer.flush().await?; [INFO] [stdout] 42 | | let mut cmd_buf = String::with_capacity(5); [INFO] [stdout] ... | [INFO] [stdout] 49 | | }; [INFO] [stdout] 50 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 51 | [INFO] [stdout] 52 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_dto` is never used [INFO] [stdout] --> src/book.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Book { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 20 | pub fn from_dto(id: BookID, book: BookDTO) -> Book { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_dto` is never used [INFO] [stdout] --> src/book.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Book { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 20 | pub fn from_dto(id: BookID, book: BookDTO) -> Book { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.74s [INFO] running `Command { std: "docker" "inspect" "8afe09f36030ade37a881ed4a8721318a0340b2ef3fa54ce08616af83587f00d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8afe09f36030ade37a881ed4a8721318a0340b2ef3fa54ce08616af83587f00d", kill_on_drop: false }` [INFO] [stdout] 8afe09f36030ade37a881ed4a8721318a0340b2ef3fa54ce08616af83587f00d [INFO] checking dko1905/rust-idk-tests against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdko1905%2Frust-idk-tests" "/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/dko1905/rust-idk-tests 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/dko1905/rust-idk-tests [INFO] finished tweaking git repo https://github.com/dko1905/rust-idk-tests [INFO] tweaked toml for git repo https://github.com/dko1905/rust-idk-tests written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dko1905/rust-idk-tests 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] 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] 77c7b799cc4a93d03a523c9cf007e4ae02fa1b9232bf73a2ca23f6b49d84a76b [INFO] running `Command { std: "docker" "start" "-a" "77c7b799cc4a93d03a523c9cf007e4ae02fa1b9232bf73a2ca23f6b49d84a76b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77c7b799cc4a93d03a523c9cf007e4ae02fa1b9232bf73a2ca23f6b49d84a76b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77c7b799cc4a93d03a523c9cf007e4ae02fa1b9232bf73a2ca23f6b49d84a76b", kill_on_drop: false }` [INFO] [stdout] 77c7b799cc4a93d03a523c9cf007e4ae02fa1b9232bf73a2ca23f6b49d84a76b [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] 958aebe1092769b86dfe0b2c2670ba78c9d4a3075eb7ab644359181576d0a170 [INFO] running `Command { std: "docker" "start" "-a" "958aebe1092769b86dfe0b2c2670ba78c9d4a3075eb7ab644359181576d0a170", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling thiserror v1.0.43 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking lock_api v0.4.10 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling thiserror-impl v1.0.43 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking rust_testing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/main.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::io::{self, AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/main.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::io::{self, AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 39 | / loop { [INFO] [stdout] 40 | | writer.write_all(b"#>").await?; [INFO] [stdout] 41 | | writer.flush().await?; [INFO] [stdout] 42 | | let mut cmd_buf = String::with_capacity(5); [INFO] [stdout] ... | [INFO] [stdout] 49 | | }; [INFO] [stdout] 50 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 51 | [INFO] [stdout] 52 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 39 | / loop { [INFO] [stdout] 40 | | writer.write_all(b"#>").await?; [INFO] [stdout] 41 | | writer.flush().await?; [INFO] [stdout] 42 | | let mut cmd_buf = String::with_capacity(5); [INFO] [stdout] ... | [INFO] [stdout] 49 | | }; [INFO] [stdout] 50 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 51 | [INFO] [stdout] 52 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_dto` is never used [INFO] [stdout] --> src/book.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Book { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 20 | pub fn from_dto(id: BookID, book: BookDTO) -> Book { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_dto` is never used [INFO] [stdout] --> src/book.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Book { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 20 | pub fn from_dto(id: BookID, book: BookDTO) -> Book { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.31s [INFO] running `Command { std: "docker" "inspect" "958aebe1092769b86dfe0b2c2670ba78c9d4a3075eb7ab644359181576d0a170", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "958aebe1092769b86dfe0b2c2670ba78c9d4a3075eb7ab644359181576d0a170", kill_on_drop: false }` [INFO] [stdout] 958aebe1092769b86dfe0b2c2670ba78c9d4a3075eb7ab644359181576d0a170