[INFO] cloning repository https://github.com/tomoat/hello_world [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomoat/hello_world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomoat%2Fhello_world", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomoat%2Fhello_world'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a581c63863331106b02098b3525229a0ffa89dd8 [INFO] checking tomoat/hello_world against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomoat%2Fhello_world" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tomoat/hello_world [INFO] finished tweaking git repo https://github.com/tomoat/hello_world [INFO] tweaked toml for git repo https://github.com/tomoat/hello_world written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tomoat/hello_world on toolchain 987a165cfab916796a8315782b83ac460a651ce2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tomoat/hello_world 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" "+987a165cfab916796a8315782b83ac460a651ce2" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e54b06597cd99c364b040f5afb0ff87a8b890046c2751ef47eb7f6bf4fe6fa7 [INFO] running `Command { std: "docker" "start" "-a" "7e54b06597cd99c364b040f5afb0ff87a8b890046c2751ef47eb7f6bf4fe6fa7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e54b06597cd99c364b040f5afb0ff87a8b890046c2751ef47eb7f6bf4fe6fa7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e54b06597cd99c364b040f5afb0ff87a8b890046c2751ef47eb7f6bf4fe6fa7", kill_on_drop: false }` [INFO] [stdout] 7e54b06597cd99c364b040f5afb0ff87a8b890046c2751ef47eb7f6bf4fe6fa7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 514e2e9fb4a9acd997a983ab7c44125ff10ed2ff23818928448fb1f32f9de827 [INFO] running `Command { std: "docker" "start" "-a" "514e2e9fb4a9acd997a983ab7c44125ff10ed2ff23818928448fb1f32f9de827", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:931:18 [INFO] [stdout] | [INFO] [stdout] 931 | 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] = note: `Color` 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 `0` is never read [INFO] [stdout] --> src/main.rs:1052:16 [INFO] [stdout] | [INFO] [stdout] 1052 | Spades(PokerRank), [INFO] [stdout] | ------ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PokerCard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1052 - Spades(PokerRank), [INFO] [stdout] 1052 + Spades(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:1053:16 [INFO] [stdout] | [INFO] [stdout] 1053 | Hearts(PokerRank), [INFO] [stdout] | ------ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PokerCard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1053 - Hearts(PokerRank), [INFO] [stdout] 1053 + Hearts(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:1054:18 [INFO] [stdout] | [INFO] [stdout] 1054 | Diamonds(PokerRank), [INFO] [stdout] | -------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PokerCard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1054 - Diamonds(PokerRank), [INFO] [stdout] 1054 + Diamonds(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:1055:15 [INFO] [stdout] | [INFO] [stdout] 1055 | Clubs(PokerRank), [INFO] [stdout] | ----- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PokerCard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1055 - Clubs(PokerRank), [INFO] [stdout] 1055 + Clubs(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:538:21 [INFO] [stdout] | [INFO] [stdout] 538 | assert_eq!(5, *y.deref()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:931:18 [INFO] [stdout] | [INFO] [stdout] 931 | 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] = note: `Color` 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 `0` is never read [INFO] [stdout] --> src/main.rs:1052:16 [INFO] [stdout] | [INFO] [stdout] 1052 | Spades(PokerRank), [INFO] [stdout] | ------ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PokerCard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1052 - Spades(PokerRank), [INFO] [stdout] 1052 + Spades(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:1053:16 [INFO] [stdout] | [INFO] [stdout] 1053 | Hearts(PokerRank), [INFO] [stdout] | ------ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PokerCard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1053 - Hearts(PokerRank), [INFO] [stdout] 1053 + Hearts(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:1054:18 [INFO] [stdout] | [INFO] [stdout] 1054 | Diamonds(PokerRank), [INFO] [stdout] | -------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PokerCard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1054 - Diamonds(PokerRank), [INFO] [stdout] 1054 + Diamonds(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:1055:15 [INFO] [stdout] | [INFO] [stdout] 1055 | Clubs(PokerRank), [INFO] [stdout] | ----- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PokerCard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1055 - Clubs(PokerRank), [INFO] [stdout] 1055 + Clubs(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:538:21 [INFO] [stdout] | [INFO] [stdout] 538 | assert_eq!(5, *y.deref()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s [INFO] running `Command { std: "docker" "inspect" "514e2e9fb4a9acd997a983ab7c44125ff10ed2ff23818928448fb1f32f9de827", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "514e2e9fb4a9acd997a983ab7c44125ff10ed2ff23818928448fb1f32f9de827", kill_on_drop: false }` [INFO] [stdout] 514e2e9fb4a9acd997a983ab7c44125ff10ed2ff23818928448fb1f32f9de827