[INFO] cloning repository https://github.com/dmoka/test-repo-for-cargo-mutants [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmoka/test-repo-for-cargo-mutants" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmoka%2Ftest-repo-for-cargo-mutants", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmoka%2Ftest-repo-for-cargo-mutants'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c137d9052efec651f20ac5915c5f851ace24592 [INFO] checking dmoka/test-repo-for-cargo-mutants/5c137d9052efec651f20ac5915c5f851ace24592 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmoka%2Ftest-repo-for-cargo-mutants" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dmoka/test-repo-for-cargo-mutants on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/dmoka/test-repo-for-cargo-mutants [INFO] finished tweaking git repo https://github.com/dmoka/test-repo-for-cargo-mutants [INFO] tweaked toml for git repo https://github.com/dmoka/test-repo-for-cargo-mutants written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dmoka/test-repo-for-cargo-mutants 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Updating git repository `https://github.com/llogiq/mutagen` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.143 [INFO] [stderr] Downloaded anyhow v1.0.62 [INFO] [stderr] Downloaded serde v1.0.143 [INFO] [stderr] Downloaded json v0.12.4 [INFO] [stderr] Downloaded serde_json v1.0.83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 110b95e94da7f5040d6943d4198313cff15aa3a3284cc88e0289d940d7113bfe [INFO] running `Command { std: "docker" "start" "-a" "110b95e94da7f5040d6943d4198313cff15aa3a3284cc88e0289d940d7113bfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "110b95e94da7f5040d6943d4198313cff15aa3a3284cc88e0289d940d7113bfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "110b95e94da7f5040d6943d4198313cff15aa3a3284cc88e0289d940d7113bfe", kill_on_drop: false }` [INFO] [stdout] 110b95e94da7f5040d6943d4198313cff15aa3a3284cc88e0289d940d7113bfe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49d9b14bae8cf7cffb5926f32e19da11653f40baa865c208e285fae0b03ea954 [INFO] running `Command { std: "docker" "start" "-a" "49d9b14bae8cf7cffb5926f32e19da11653f40baa865c208e285fae0b03ea954", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling serde_derive v1.0.143 [INFO] [stderr] Compiling serde v1.0.143 [INFO] [stderr] Compiling anyhow v1.0.62 [INFO] [stderr] Compiling serde_json v1.0.83 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling json v0.12.4 [INFO] [stderr] Checking utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Checking main v0.1.0 (/opt/rustwide/workdir/main) [INFO] [stderr] Checking main2 v0.1.0 (/opt/rustwide/workdir/main2) [INFO] [stdout] warning: unused import: `utils::a_public_module::*` [INFO] [stdout] --> main/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use utils::a_public_module::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::a_public_module::*` [INFO] [stdout] --> main/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use utils::a_public_module::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `double` is never used [INFO] [stdout] --> main/src/main.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Foo { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn double(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `double` is never used [INFO] [stdout] --> main/src/main.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Foo { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn double(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `double` is never used [INFO] [stdout] --> main2/src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Bar { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn double(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `double` is never used [INFO] [stdout] --> main2/src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Bar { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn double(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.43/src/wrapper.rs:479:33 [INFO] [stdout] | [INFO] [stdout] 479 | let proc_macro::LineColumn { line, column } = s.start(); [INFO] [stdout] | ^^^^^^^^^^ not found in `proc_macro` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 1 + use crate::LineColumn; [INFO] [stdout] | [INFO] [stdout] 1 + use crate::fallback::LineColumn; [INFO] [stdout] | [INFO] [stdout] help: if you import `LineColumn`, refer to it directly [INFO] [stdout] | [INFO] [stdout] 479 - let proc_macro::LineColumn { line, column } = s.start(); [INFO] [stdout] 479 + let LineColumn { line, column } = s.start(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.43/src/wrapper.rs:496:33 [INFO] [stdout] | [INFO] [stdout] 496 | let proc_macro::LineColumn { line, column } = s.end(); [INFO] [stdout] | ^^^^^^^^^^ not found in `proc_macro` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 1 + use crate::LineColumn; [INFO] [stdout] | [INFO] [stdout] 1 + use crate::fallback::LineColumn; [INFO] [stdout] | [INFO] [stdout] help: if you import `LineColumn`, refer to it directly [INFO] [stdout] | [INFO] [stdout] 496 - let proc_macro::LineColumn { line, column } = s.end(); [INFO] [stdout] 496 + let LineColumn { line, column } = s.end(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.43/src/wrapper.rs:479:33 [INFO] [stdout] | [INFO] [stdout] 479 | let proc_macro::LineColumn { line, column } = s.start(); [INFO] [stdout] | ^^^^^^^^^^ not found in `proc_macro` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 1 + use crate::LineColumn; [INFO] [stdout] | [INFO] [stdout] 1 + use crate::fallback::LineColumn; [INFO] [stdout] | [INFO] [stdout] help: if you import `LineColumn`, refer to it directly [INFO] [stdout] | [INFO] [stdout] 479 - let proc_macro::LineColumn { line, column } = s.start(); [INFO] [stdout] 479 + let LineColumn { line, column } = s.start(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.43/src/wrapper.rs:496:33 [INFO] [stdout] | [INFO] [stdout] 496 | let proc_macro::LineColumn { line, column } = s.end(); [INFO] [stdout] | ^^^^^^^^^^ not found in `proc_macro` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 1 + use crate::LineColumn; [INFO] [stdout] | [INFO] [stdout] 1 + use crate::fallback::LineColumn; [INFO] [stdout] | [INFO] [stdout] help: if you import `LineColumn`, refer to it directly [INFO] [stdout] | [INFO] [stdout] 496 - let proc_macro::LineColumn { line, column } = s.end(); [INFO] [stdout] 496 + let LineColumn { line, column } = s.end(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0422`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0422`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "49d9b14bae8cf7cffb5926f32e19da11653f40baa865c208e285fae0b03ea954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49d9b14bae8cf7cffb5926f32e19da11653f40baa865c208e285fae0b03ea954", kill_on_drop: false }` [INFO] [stdout] 49d9b14bae8cf7cffb5926f32e19da11653f40baa865c208e285fae0b03ea954