[INFO] cloning repository https://github.com/PedroManse/builder-pattern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PedroManse/builder-pattern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPedroManse%2Fbuilder-pattern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPedroManse%2Fbuilder-pattern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1508bda081477c67246c60d7be4fa89755a4ac87
[INFO] checking PedroManse/builder-pattern against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPedroManse%2Fbuilder-pattern" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PedroManse/builder-pattern
[INFO] finished tweaking git repo https://github.com/PedroManse/builder-pattern
[INFO] tweaked toml for git repo https://github.com/PedroManse/builder-pattern written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PedroManse/builder-pattern on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PedroManse/builder-pattern 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a472f36cd4248916449e8caa1fcd765fe80812214360d95c2befcbad8887d89
[INFO] running `Command { std: "docker" "start" "-a" "3a472f36cd4248916449e8caa1fcd765fe80812214360d95c2befcbad8887d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a472f36cd4248916449e8caa1fcd765fe80812214360d95c2befcbad8887d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a472f36cd4248916449e8caa1fcd765fe80812214360d95c2befcbad8887d89", kill_on_drop: false }`
[INFO] [stdout] 3a472f36cd4248916449e8caa1fcd765fe80812214360d95c2befcbad8887d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b346f0ea481a085f932a44086ff4b8abbdc106c2465281bc048f09e1c470c79c
[INFO] running `Command { std: "docker" "start" "-a" "b346f0ea481a085f932a44086ff4b8abbdc106c2465281bc048f09e1c470c79c", kill_on_drop: false }`
[INFO] [stderr]     Checking builder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/constflag.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, `c`, and `d` are never read
[INFO] [stdout]   --> src/gentrait.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Built {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 16 |     a: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     b: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     c: Option<u8>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 19 |     d: Option<u8>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Built` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Builder` is never constructed
[INFO] [stdout]   --> src/constflag.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Builder<
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Built` is never constructed
[INFO] [stdout]  --> src/constflag.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Built {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REL_1` is never used
[INFO] [stdout]   --> src/constflag.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const REL_1: u8 = 0b10;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REL_2` is never used
[INFO] [stdout]   --> src/constflag.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const REL_2: u8 = 0b01;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `thing_a`, `thing_b`, `thing_c`, and `thing_d` are never read
[INFO] [stdout]   --> src/constflag.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Builder<
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     thing_a: Option<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     thing_b: Option<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     thing_c: Option<u8>, // necessary
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     thing_d: Option<u8>, // necessary
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/constflag.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<const M: u8> Builder<M> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 32 |     fn new() -> Builder<NOTHING> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `build` is never used
[INFO] [stdout]   --> src/constflag.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Builder<EVERYTHING> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 43 |     fn build(self) -> Built {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `Has` should have an upper case name
[INFO] [stdout]   --> src/constflag.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const Has: u8=NOTHING,
[INFO] [stdout]    |       ^^^ help: convert the identifier to upper case: `HAS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `builder` (bin "constflag" test) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/constflag.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, `c`, and `d` are never read
[INFO] [stdout]   --> src/gentrait.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Built {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 16 |     a: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     b: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     c: Option<u8>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 19 |     d: Option<u8>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Built` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Builder` is never constructed
[INFO] [stdout]   --> src/constflag.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Builder<
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Built` is never constructed
[INFO] [stdout]  --> src/constflag.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Built {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REL_1` is never used
[INFO] [stdout]   --> src/constflag.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const REL_1: u8 = 0b10;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REL_2` is never used
[INFO] [stdout]   --> src/constflag.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const REL_2: u8 = 0b01;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `thing_a`, `thing_b`, `thing_c`, and `thing_d` are never read
[INFO] [stdout]   --> src/constflag.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Builder<
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     thing_a: Option<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     thing_b: Option<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     thing_c: Option<u8>, // necessary
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     thing_d: Option<u8>, // necessary
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/constflag.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<const M: u8> Builder<M> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 32 |     fn new() -> Builder<NOTHING> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `build` is never used
[INFO] [stdout]   --> src/constflag.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Builder<EVERYTHING> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 43 |     fn build(self) -> Built {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `Has` should have an upper case name
[INFO] [stdout]   --> src/constflag.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const Has: u8=NOTHING,
[INFO] [stdout]    |       ^^^ help: convert the identifier to upper case: `HAS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `builder` (bin "constflag") due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b346f0ea481a085f932a44086ff4b8abbdc106c2465281bc048f09e1c470c79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b346f0ea481a085f932a44086ff4b8abbdc106c2465281bc048f09e1c470c79c", kill_on_drop: false }`
[INFO] [stdout] b346f0ea481a085f932a44086ff4b8abbdc106c2465281bc048f09e1c470c79c