[INFO] fetching crate poetic 0.3.1...
[INFO] building poetic-0.3.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate poetic 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate poetic 0.3.1
[INFO] finished tweaking crates.io crate poetic 0.3.1
[INFO] tweaked toml for crates.io crate poetic 0.3.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate poetic 0.3.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.3)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded split-digits v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8944cd21727d65a933cda2865e25e05d6a6ecc758ab74fe6f9d513028c4d771c
[INFO] running `Command { std: "docker" "start" "-a" "8944cd21727d65a933cda2865e25e05d6a6ecc758ab74fe6f9d513028c4d771c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8944cd21727d65a933cda2865e25e05d6a6ecc758ab74fe6f9d513028c4d771c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8944cd21727d65a933cda2865e25e05d6a6ecc758ab74fe6f9d513028c4d771c", kill_on_drop: false }`
[INFO] [stdout] 8944cd21727d65a933cda2865e25e05d6a6ecc758ab74fe6f9d513028c4d771c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eda623578d586e8f46992e081d94d9af6a3a10bf9516f4f61fdc0a0a2795246
[INFO] running `Command { std: "docker" "start" "-a" "5eda623578d586e8f46992e081d94d9af6a3a10bf9516f4f61fdc0a0a2795246", kill_on_drop: false }`
[INFO] [stderr]    Compiling split-digits v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling poetic v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `JnzRemover` is never constructed
[INFO] [stdout]  --> src/optimizer/jnz_remover.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct JnzRemover;
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `no_memory_altering_instructions` is never used
[INFO] [stdout]   --> src/optimizer/jnz_remover.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl JnzRemover {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 10 |     fn no_memory_altering_instructions(&self, instructions: &[Instruction]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "5eda623578d586e8f46992e081d94d9af6a3a10bf9516f4f61fdc0a0a2795246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eda623578d586e8f46992e081d94d9af6a3a10bf9516f4f61fdc0a0a2795246", kill_on_drop: false }`
[INFO] [stdout] 5eda623578d586e8f46992e081d94d9af6a3a10bf9516f4f61fdc0a0a2795246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1b1de60a878305461e867b7a82e591a951091fcd50f47033735c96089f1eeca
[INFO] running `Command { std: "docker" "start" "-a" "a1b1de60a878305461e867b7a82e591a951091fcd50f47033735c96089f1eeca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling poetic v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stdout] warning: struct `JnzRemover` is never constructed
[INFO] [stdout]  --> src/optimizer/jnz_remover.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct JnzRemover;
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `no_memory_altering_instructions` is never used
[INFO] [stdout]   --> src/optimizer/jnz_remover.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl JnzRemover {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 10 |     fn no_memory_altering_instructions(&self, instructions: &[Instruction]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.25s
[INFO] running `Command { std: "docker" "inspect" "a1b1de60a878305461e867b7a82e591a951091fcd50f47033735c96089f1eeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b1de60a878305461e867b7a82e591a951091fcd50f47033735c96089f1eeca", kill_on_drop: false }`
[INFO] [stdout] a1b1de60a878305461e867b7a82e591a951091fcd50f47033735c96089f1eeca