[INFO] cloning repository https://github.com/wlyh514/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wlyh514/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwlyh514%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwlyh514%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7407efe18837ac1aef5b635e930033608cd37344 [INFO] checking wlyh514/rust-playground against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwlyh514%2Frust-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wlyh514/rust-playground on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wlyh514/rust-playground [INFO] finished tweaking git repo https://github.com/wlyh514/rust-playground [INFO] tweaked toml for git repo https://github.com/wlyh514/rust-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wlyh514/rust-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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19ef8c2f20ca6669a4471ba2f12b0d169db71a55fe2154ddce263874a107b655 [INFO] running `Command { std: "docker" "start" "-a" "19ef8c2f20ca6669a4471ba2f12b0d169db71a55fe2154ddce263874a107b655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19ef8c2f20ca6669a4471ba2f12b0d169db71a55fe2154ddce263874a107b655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19ef8c2f20ca6669a4471ba2f12b0d169db71a55fe2154ddce263874a107b655", kill_on_drop: false }` [INFO] [stdout] 19ef8c2f20ca6669a4471ba2f12b0d169db71a55fe2154ddce263874a107b655 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1989c3b6cfbbc3ad62d6ce9febe442abdc2fde1e9b267c9d57ee4b3f4a9183cb [INFO] running `Command { std: "docker" "start" "-a" "1989c3b6cfbbc3ad62d6ce9febe442abdc2fde1e9b267c9d57ee4b3f4a9183cb", kill_on_drop: false }` [INFO] [stderr] Checking rust-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `MoveTo`, `Message`, and `Stop` are never constructed [INFO] [stdout] --> src/chapters/enums.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum Operation { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 4 | MoveTo(u32, u32), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | Message(String), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | Attack(String, u32, u32), [INFO] [stdout] 7 | Stop, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `active`, `username`, `email`, and `sign_in_count` are never read [INFO] [stdout] --> src/chapters/structs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 5 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | username: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 7 | email: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `1` and `2` are never read [INFO] [stdout] --> src/chapters/structs.rs:42:19 [INFO] [stdout] | [INFO] [stdout] 42 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Entity` is never used [INFO] [stdout] --> src/chapters/traits.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | trait Entity { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Pair` is never constructed [INFO] [stdout] --> src/chapters/traits.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_largest` is never used [INFO] [stdout] --> src/chapters/traits.rs:68:6 [INFO] [stdout] | [INFO] [stdout] 64 | / impl Pair [INFO] [stdout] 65 | | where [INFO] [stdout] 66 | | T: Display + PartialOrd [INFO] [stdout] | |_________________________- method in this implementation [INFO] [stdout] 67 | { [INFO] [stdout] 68 | fn print_largest(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/chapters/smart_pointers.rs:102:7 [INFO] [stdout] | [INFO] [stdout] 102 | Con(i32, Rc), [INFO] [stdout] | --- ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 102 | Con((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `MoveTo`, `Message`, and `Stop` are never constructed [INFO] [stdout] --> src/chapters/enums.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum Operation { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 4 | MoveTo(u32, u32), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | Message(String), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | Attack(String, u32, u32), [INFO] [stdout] 7 | Stop, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `active`, `username`, `email`, and `sign_in_count` are never read [INFO] [stdout] --> src/chapters/structs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 5 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | username: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 7 | email: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `1` and `2` are never read [INFO] [stdout] --> src/chapters/structs.rs:42:19 [INFO] [stdout] | [INFO] [stdout] 42 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Entity` is never used [INFO] [stdout] --> src/chapters/traits.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | trait Entity { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Pair` is never constructed [INFO] [stdout] --> src/chapters/traits.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_largest` is never used [INFO] [stdout] --> src/chapters/traits.rs:68:6 [INFO] [stdout] | [INFO] [stdout] 64 | / impl Pair [INFO] [stdout] 65 | | where [INFO] [stdout] 66 | | T: Display + PartialOrd [INFO] [stdout] | |_________________________- method in this implementation [INFO] [stdout] 67 | { [INFO] [stdout] 68 | fn print_largest(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/chapters/smart_pointers.rs:102:7 [INFO] [stdout] | [INFO] [stdout] 102 | Con(i32, Rc), [INFO] [stdout] | --- ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 102 | Con((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "1989c3b6cfbbc3ad62d6ce9febe442abdc2fde1e9b267c9d57ee4b3f4a9183cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1989c3b6cfbbc3ad62d6ce9febe442abdc2fde1e9b267c9d57ee4b3f4a9183cb", kill_on_drop: false }` [INFO] [stdout] 1989c3b6cfbbc3ad62d6ce9febe442abdc2fde1e9b267c9d57ee4b3f4a9183cb