[INFO] cloning repository https://github.com/re-masashi/book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/re-masashi/book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-masashi%2Fbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-masashi%2Fbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76b3da4046c452d7dc5b37ec530e97e130858535
[INFO] checking re-masashi/book against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-masashi%2Fbook" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/re-masashi/book
[INFO] finished tweaking git repo https://github.com/re-masashi/book
[INFO] tweaked toml for git repo https://github.com/re-masashi/book written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/re-masashi/book 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/re-masashi/book 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 63e502aec0170976a58356eeab781affd0164d8e57fca64917befacfc64adad7
[INFO] running `Command { std: "docker" "start" "-a" "63e502aec0170976a58356eeab781affd0164d8e57fca64917befacfc64adad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e502aec0170976a58356eeab781affd0164d8e57fca64917befacfc64adad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e502aec0170976a58356eeab781affd0164d8e57fca64917befacfc64adad7", kill_on_drop: false }`
[INFO] [stdout] 63e502aec0170976a58356eeab781affd0164d8e57fca64917befacfc64adad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7b824e19c14c8a76340927b7f2258765fefbd936744ba46c5fe07f4e5c488718
[INFO] running `Command { std: "docker" "start" "-a" "7b824e19c14c8a76340927b7f2258765fefbd936744ba46c5fe07f4e5c488718", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling inkwell v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#129aa8db)
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]     Checking winnow v0.7.10
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling llvm-sys v181.2.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling inkwell_internals v0.10.0 (https://github.com/TheDan64/inkwell?branch=master#129aa8db)
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{arg, Parser, Subcommand};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/codegen/generator/gen_call.rs:827:62
[INFO] [stdout]     |
[INFO] [stdout] 827 | ...                   args.iter().map(|(_, t)| (t.clone())).collect(),
[INFO] [stdout]     |                                                ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 827 -                                     args.iter().map(|(_, t)| (t.clone())).collect(),
[INFO] [stdout] 827 +                                     args.iter().map(|(_, t)| t.clone() ).collect(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{arg, Parser, Subcommand};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/codegen/generator/gen_call.rs:827:62
[INFO] [stdout]     |
[INFO] [stdout] 827 | ...                   args.iter().map(|(_, t)| (t.clone())).collect(),
[INFO] [stdout]     |                                                ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 827 -                                     args.iter().map(|(_, t)| (t.clone())).collect(),
[INFO] [stdout] 827 +                                     args.iter().map(|(_, t)| t.clone() ).collect(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PolyMorphicStruct` is never constructed
[INFO] [stdout]   --> src/codegen/generator/mod.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct PolyMorphicStruct<'ctx>(
[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] [stderr] error: could not compile `book` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `PolyMorphicStruct` is never constructed
[INFO] [stdout]   --> src/codegen/generator/mod.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct PolyMorphicStruct<'ctx>(
[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] [stderr] error: could not compile `book` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7b824e19c14c8a76340927b7f2258765fefbd936744ba46c5fe07f4e5c488718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b824e19c14c8a76340927b7f2258765fefbd936744ba46c5fe07f4e5c488718", kill_on_drop: false }`
[INFO] [stdout] 7b824e19c14c8a76340927b7f2258765fefbd936744ba46c5fe07f4e5c488718