[INFO] fetching crate hellofluent 0.1.7...
[INFO] building hellofluent-0.1.7 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate hellofluent 0.1.7 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate hellofluent 0.1.7 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hellofluent 0.1.7
[INFO] finished tweaking crates.io crate hellofluent 0.1.7
[INFO] tweaked toml for crates.io crate hellofluent 0.1.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate hellofluent 0.1.7 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc249329361edb4e2279dccb26b6c99c1d79fb82961680f11f4b92862ed437a4
[INFO] running `Command { std: "docker" "start" "-a" "cc249329361edb4e2279dccb26b6c99c1d79fb82961680f11f4b92862ed437a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc249329361edb4e2279dccb26b6c99c1d79fb82961680f11f4b92862ed437a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc249329361edb4e2279dccb26b6c99c1d79fb82961680f11f4b92862ed437a4", kill_on_drop: false }`
[INFO] [stdout] cc249329361edb4e2279dccb26b6c99c1d79fb82961680f11f4b92862ed437a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aad4f535ecb48d6d257fa47db0c8ff6a3c5b1750b4a3d3c42fd974c6c9d5e384
[INFO] running `Command { std: "docker" "start" "-a" "aad4f535ecb48d6d257fa47db0c8ff6a3c5b1750b4a3d3c42fd974c6c9d5e384", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling dialoguer v0.11.0
[INFO] [stderr]    Compiling hellofluent v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `copy_file` is never used
[INFO] [stdout]   --> src/main.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn copy_file(source_path: &str, target_path: &str) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "aad4f535ecb48d6d257fa47db0c8ff6a3c5b1750b4a3d3c42fd974c6c9d5e384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad4f535ecb48d6d257fa47db0c8ff6a3c5b1750b4a3d3c42fd974c6c9d5e384", kill_on_drop: false }`
[INFO] [stdout] aad4f535ecb48d6d257fa47db0c8ff6a3c5b1750b4a3d3c42fd974c6c9d5e384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26e6e3106ffbc30098f3fbdce78d423d3f970a106ad1a84897117c9425714ab7
[INFO] running `Command { std: "docker" "start" "-a" "26e6e3106ffbc30098f3fbdce78d423d3f970a106ad1a84897117c9425714ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling hellofluent v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `copy_file` is never used
[INFO] [stdout]   --> src/main.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn copy_file(source_path: &str, target_path: &str) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "26e6e3106ffbc30098f3fbdce78d423d3f970a106ad1a84897117c9425714ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e6e3106ffbc30098f3fbdce78d423d3f970a106ad1a84897117c9425714ab7", kill_on_drop: false }`
[INFO] [stdout] 26e6e3106ffbc30098f3fbdce78d423d3f970a106ad1a84897117c9425714ab7