[INFO] cloning repository https://github.com/psatomas/generics [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psatomas/generics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fgenerics", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fgenerics'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 995ea6e7afb63aa260d6a6be9234514c85c8c894 [INFO] checking psatomas/generics against master#2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a for pr-145113 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fgenerics" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/psatomas/generics [INFO] finished tweaking git repo https://github.com/psatomas/generics [INFO] tweaked toml for git repo https://github.com/psatomas/generics written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/psatomas/generics on toolchain 2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/psatomas/generics 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" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4e8cf2399e7a86ae9c91f9bb8874eace7ce0167763d5806e7914d9db32ac425 [INFO] running `Command { std: "docker" "start" "-a" "e4e8cf2399e7a86ae9c91f9bb8874eace7ce0167763d5806e7914d9db32ac425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4e8cf2399e7a86ae9c91f9bb8874eace7ce0167763d5806e7914d9db32ac425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4e8cf2399e7a86ae9c91f9bb8874eace7ce0167763d5806e7914d9db32ac425", kill_on_drop: false }` [INFO] [stdout] e4e8cf2399e7a86ae9c91f9bb8874eace7ce0167763d5806e7914d9db32ac425 [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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cea9280cd46ef0e159091f3e38a973a6870e49dcf664221886d6566688938adc [INFO] running `Command { std: "docker" "start" "-a" "cea9280cd46ef0e159091f3e38a973a6870e49dcf664221886d6566688938adc", kill_on_drop: false }` [INFO] [stderr] Checking generics v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `captain` is never read [INFO] [stdout] --> src/bin/generics_and_impl_blocks_i.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct TreasureChest { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 3 | captain: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreasureChest` 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 `captain` and `treasure` are never read [INFO] [stdout] --> src/bin/generics_in_struct.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct TreasureChest { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 3 | captain: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 4 | treasure: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreasureChest` 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: field `captain` is never read [INFO] [stdout] --> src/bin/generics_and_impl_blocks_i.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct TreasureChest { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 3 | captain: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreasureChest` 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: variant `VideoFile` is never constructed [INFO] [stdout] --> src/bin/coding_challenge.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum DigitalContent { [INFO] [stdout] | -------------- variant in this enum [INFO] [stdout] 4 | AudioFile, [INFO] [stdout] 5 | VideoFile, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DigitalContent` 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: unused variable: `mushroom` [INFO] [stdout] --> src/bin/generics_in_enums.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mushroom = Cheesesteak::Topping("mushrooms"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mushroom` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `onions` [INFO] [stdout] --> src/bin/generics_in_enums.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let onions = Cheesesteak::Topping("onions".to_string()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_onions` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bacon` [INFO] [stdout] --> src/bin/generics_in_enums.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let bacon = Cheesesteak::Topping(&topping); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bacon` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `plain` is assigned to, but never used [INFO] [stdout] --> src/bin/generics_in_enums.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut plain: Cheesesteak = Cheesesteak::Plain; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_plain` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `plain` is never read [INFO] [stdout] --> src/bin/generics_in_enums.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | plain = Cheesesteak::Topping("sausage".to_string()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mushroom` [INFO] [stdout] --> src/bin/generics_in_enums.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mushroom = Cheesesteak::Topping("mushrooms"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mushroom` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `onions` [INFO] [stdout] --> src/bin/generics_in_enums.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let onions = Cheesesteak::Topping("onions".to_string()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_onions` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bacon` [INFO] [stdout] --> src/bin/generics_in_enums.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let bacon = Cheesesteak::Topping(&topping); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bacon` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `plain` is assigned to, but never used [INFO] [stdout] --> src/bin/generics_in_enums.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut plain: Cheesesteak = Cheesesteak::Plain; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_plain` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `plain` is never read [INFO] [stdout] --> src/bin/generics_in_enums.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | plain = Cheesesteak::Topping("sausage".to_string()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `captain` and `treasure` are never read [INFO] [stdout] --> src/bin/generics_in_struct.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct TreasureChest { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 3 | captain: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 4 | treasure: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreasureChest` 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: variant `VideoFile` is never constructed [INFO] [stdout] --> src/bin/coding_challenge.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum DigitalContent { [INFO] [stdout] | -------------- variant in this enum [INFO] [stdout] 4 | AudioFile, [INFO] [stdout] 5 | VideoFile, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DigitalContent` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "cea9280cd46ef0e159091f3e38a973a6870e49dcf664221886d6566688938adc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cea9280cd46ef0e159091f3e38a973a6870e49dcf664221886d6566688938adc", kill_on_drop: false }` [INFO] [stdout] cea9280cd46ef0e159091f3e38a973a6870e49dcf664221886d6566688938adc