[INFO] fetching crate poetic 0.3.1...
[INFO] checking poetic-0.3.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate poetic 0.3.1 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate poetic 0.3.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 89 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69a8748dbaf172f0880a021eb1c6c5f711dad7f0ff4fed1c8cca0b1a337fb500
[INFO] running `Command { std: "docker" "start" "-a" "69a8748dbaf172f0880a021eb1c6c5f711dad7f0ff4fed1c8cca0b1a337fb500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a8748dbaf172f0880a021eb1c6c5f711dad7f0ff4fed1c8cca0b1a337fb500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a8748dbaf172f0880a021eb1c6c5f711dad7f0ff4fed1c8cca0b1a337fb500", kill_on_drop: false }`
[INFO] [stdout] 69a8748dbaf172f0880a021eb1c6c5f711dad7f0ff4fed1c8cca0b1a337fb500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e64a5f36fcec9577ec557e3a61d521ebb4c8ae8a57d07b8ccf4924bd954418
[INFO] running `Command { std: "docker" "start" "-a" "99e64a5f36fcec9577ec557e3a61d521ebb4c8ae8a57d07b8ccf4924bd954418", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking split-digits v0.2.2
[INFO] [stderr]     Checking 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)]` 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]     Checking plotters v0.3.7
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "99e64a5f36fcec9577ec557e3a61d521ebb4c8ae8a57d07b8ccf4924bd954418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e64a5f36fcec9577ec557e3a61d521ebb4c8ae8a57d07b8ccf4924bd954418", kill_on_drop: false }`
[INFO] [stdout] 99e64a5f36fcec9577ec557e3a61d521ebb4c8ae8a57d07b8ccf4924bd954418