[INFO] cloning repository https://github.com/ZhongChan/head_first_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZhongChan/head_first_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhongChan%2Fhead_first_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhongChan%2Fhead_first_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a6a55e1289bc369e951b18969628a1dbe52adcb7 [INFO] checking ZhongChan/head_first_rust against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhongChan%2Fhead_first_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZhongChan/head_first_rust on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ZhongChan/head_first_rust [INFO] finished tweaking git repo https://github.com/ZhongChan/head_first_rust [INFO] tweaked toml for git repo https://github.com/ZhongChan/head_first_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ZhongChan/head_first_rust 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe1af697196919f3d31de8109686b605daabba564ec3c7c4053ebc765b9e5446 [INFO] running `Command { std: "docker" "start" "-a" "fe1af697196919f3d31de8109686b605daabba564ec3c7c4053ebc765b9e5446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe1af697196919f3d31de8109686b605daabba564ec3c7c4053ebc765b9e5446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe1af697196919f3d31de8109686b605daabba564ec3c7c4053ebc765b9e5446", kill_on_drop: false }` [INFO] [stdout] fe1af697196919f3d31de8109686b605daabba564ec3c7c4053ebc765b9e5446 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f19e08e47310a322832a5b76c5969e35b758759f9cfeedd22ad0329fc770f3eb [INFO] running `Command { std: "docker" "start" "-a" "f19e08e47310a322832a5b76c5969e35b758759f9cfeedd22ad0329fc770f3eb", kill_on_drop: false }` [INFO] [stderr] Checking head_first_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `example` [INFO] [stdout] --> src/ch2/8_2_trait.rs:241:7 [INFO] [stdout] | [INFO] [stdout] 241 | #[cfg(feature = "example")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `example` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `example` [INFO] [stdout] --> src/ch2/8_3_trait_obj.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | #[cfg(feature = "example")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `example` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `multi_borrow` [INFO] [stdout] --> src/ch2/9_1_collection_vec.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | #[cfg(feature = "multi_borrow")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `multi_borrow` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `example` [INFO] [stdout] --> src/ch2/8_2_trait.rs:241:7 [INFO] [stdout] | [INFO] [stdout] 241 | #[cfg(feature = "example")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `example` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `example` [INFO] [stdout] --> src/ch2/8_3_trait_obj.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | #[cfg(feature = "example")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `example` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `multi_borrow` [INFO] [stdout] --> src/ch2/9_1_collection_vec.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | #[cfg(feature = "multi_borrow")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `multi_borrow` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [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 2.10s [INFO] running `Command { std: "docker" "inspect" "f19e08e47310a322832a5b76c5969e35b758759f9cfeedd22ad0329fc770f3eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f19e08e47310a322832a5b76c5969e35b758759f9cfeedd22ad0329fc770f3eb", kill_on_drop: false }` [INFO] [stdout] f19e08e47310a322832a5b76c5969e35b758759f9cfeedd22ad0329fc770f3eb [INFO] checking ZhongChan/head_first_rust against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhongChan%2Fhead_first_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZhongChan/head_first_rust on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ZhongChan/head_first_rust [INFO] finished tweaking git repo https://github.com/ZhongChan/head_first_rust [INFO] tweaked toml for git repo https://github.com/ZhongChan/head_first_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ZhongChan/head_first_rust 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e7018f5ba8f27a9fa9c18e2b5efb412e8f0447cf40b310604dd2264fc41c6cf [INFO] running `Command { std: "docker" "start" "-a" "2e7018f5ba8f27a9fa9c18e2b5efb412e8f0447cf40b310604dd2264fc41c6cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e7018f5ba8f27a9fa9c18e2b5efb412e8f0447cf40b310604dd2264fc41c6cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e7018f5ba8f27a9fa9c18e2b5efb412e8f0447cf40b310604dd2264fc41c6cf", kill_on_drop: false }` [INFO] [stdout] 2e7018f5ba8f27a9fa9c18e2b5efb412e8f0447cf40b310604dd2264fc41c6cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd01a46412c6f5d3af1462da97d80cdb6e962ad9c54176624393050c6731c8d1 [INFO] running `Command { std: "docker" "start" "-a" "dd01a46412c6f5d3af1462da97d80cdb6e962ad9c54176624393050c6731c8d1", kill_on_drop: false }` [INFO] [stderr] Checking head_first_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `example` [INFO] [stdout] --> src/ch2/8_2_trait.rs:241:7 [INFO] [stdout] | [INFO] [stdout] 241 | #[cfg(feature = "example")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `example` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `example` [INFO] [stdout] --> src/ch2/8_3_trait_obj.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | #[cfg(feature = "example")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `example` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `multi_borrow` [INFO] [stdout] --> src/ch2/9_1_collection_vec.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | #[cfg(feature = "multi_borrow")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `multi_borrow` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `example` [INFO] [stdout] --> src/ch2/8_2_trait.rs:241:7 [INFO] [stdout] | [INFO] [stdout] 241 | #[cfg(feature = "example")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `example` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `example` [INFO] [stdout] --> src/ch2/8_3_trait_obj.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | #[cfg(feature = "example")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `example` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `multi_borrow` [INFO] [stdout] --> src/ch2/9_1_collection_vec.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | #[cfg(feature = "multi_borrow")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `multi_borrow` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [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 1.92s [INFO] running `Command { std: "docker" "inspect" "dd01a46412c6f5d3af1462da97d80cdb6e962ad9c54176624393050c6731c8d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd01a46412c6f5d3af1462da97d80cdb6e962ad9c54176624393050c6731c8d1", kill_on_drop: false }` [INFO] [stdout] dd01a46412c6f5d3af1462da97d80cdb6e962ad9c54176624393050c6731c8d1