[INFO] cloning repository https://github.com/webern/rs_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/webern/rs_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1d8d67014f7b2bb78519c3a71c142f73e5f22d5
[INFO] checking webern/rs_book against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_book" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/webern/rs_book
[INFO] finished tweaking git repo https://github.com/webern/rs_book
[INFO] tweaked toml for git repo https://github.com/webern/rs_book written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/webern/rs_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/webern/rs_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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 04610617f59bdc3da7f0270accfd555dde22a466f5bbdb12f5e8fc03a04f005a
[INFO] running `Command { std: "docker" "start" "-a" "04610617f59bdc3da7f0270accfd555dde22a466f5bbdb12f5e8fc03a04f005a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04610617f59bdc3da7f0270accfd555dde22a466f5bbdb12f5e8fc03a04f005a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04610617f59bdc3da7f0270accfd555dde22a466f5bbdb12f5e8fc03a04f005a", kill_on_drop: false }`
[INFO] [stdout] 04610617f59bdc3da7f0270accfd555dde22a466f5bbdb12f5e8fc03a04f005a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4a44048957a6e98021b3d144d4bae0719d13a792bed840fa7373fedcb7be4a2c
[INFO] running `Command { std: "docker" "start" "-a" "4a44048957a6e98021b3d144d4bae0719d13a792bed840fa7373fedcb7be4a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking winnow v0.5.19
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking chapter-12 v0.1.0 (/opt/rustwide/workdir/chapter-12)
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling eyre v0.6.9
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking c_multiple_crates v0.1.0 (/opt/rustwide/workdir/chapter-7/c_multiple_crates)
[INFO] [stderr]     Checking d_custom_crate_files v0.1.0 (/opt/rustwide/workdir/chapter-7/d_custom_crate_files)
[INFO] [stderr]     Checking chapter-10-traits-lib v0.1.0 (/opt/rustwide/workdir/chapter-10-traits-lib)
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stdout] error: struct `NotMyStruct` is never constructed
[INFO] [stdout]  --> chapter-10-traits-lib/src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct NotMyStruct {
[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 `chapter-10-traits-lib` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4a44048957a6e98021b3d144d4bae0719d13a792bed840fa7373fedcb7be4a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a44048957a6e98021b3d144d4bae0719d13a792bed840fa7373fedcb7be4a2c", kill_on_drop: false }`
[INFO] [stdout] 4a44048957a6e98021b3d144d4bae0719d13a792bed840fa7373fedcb7be4a2c
