[INFO] fetching crate trait_exerci 0.3.0...
[INFO] building trait_exerci-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate trait_exerci 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate trait_exerci 0.3.0
[INFO] finished tweaking crates.io crate trait_exerci 0.3.0
[INFO] tweaked toml for crates.io crate trait_exerci 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait_exerci 0.3.0 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] crate crates.io crate trait_exerci 0.3.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4326c665add91ef0cb6ed9341a4cccd5446dd6d56a45ae18c537b0a9619737d6
[INFO] running `Command { std: "docker" "start" "-a" "4326c665add91ef0cb6ed9341a4cccd5446dd6d56a45ae18c537b0a9619737d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4326c665add91ef0cb6ed9341a4cccd5446dd6d56a45ae18c537b0a9619737d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4326c665add91ef0cb6ed9341a4cccd5446dd6d56a45ae18c537b0a9619737d6", kill_on_drop: false }`
[INFO] [stdout] 4326c665add91ef0cb6ed9341a4cccd5446dd6d56a45ae18c537b0a9619737d6
[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=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] 5b109e495ae43914c51939a3165e943e6e1cb3ae5dccbf7a5d6cdca6cdbff2ab
[INFO] running `Command { std: "docker" "start" "-a" "5b109e495ae43914c51939a3165e943e6e1cb3ae5dccbf7a5d6cdca6cdbff2ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait_exerci v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "5b109e495ae43914c51939a3165e943e6e1cb3ae5dccbf7a5d6cdca6cdbff2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b109e495ae43914c51939a3165e943e6e1cb3ae5dccbf7a5d6cdca6cdbff2ab", kill_on_drop: false }`
[INFO] [stdout] 5b109e495ae43914c51939a3165e943e6e1cb3ae5dccbf7a5d6cdca6cdbff2ab
[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=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] ffb6430b0ae984918c02d6d83e4475fcf5321eb3dbc3e805e0e59581809707bb
[INFO] running `Command { std: "docker" "start" "-a" "ffb6430b0ae984918c02d6d83e4475fcf5321eb3dbc3e805e0e59581809707bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait_exerci v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_data` is never used
[INFO] [stdout]   --> examples/trait_with_default_method.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  7 |     pub trait TraitCanal {
[INFO] [stdout]    |               ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |         fn get_data(&self) -> u32;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "ffb6430b0ae984918c02d6d83e4475fcf5321eb3dbc3e805e0e59581809707bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb6430b0ae984918c02d6d83e4475fcf5321eb3dbc3e805e0e59581809707bb", kill_on_drop: false }`
[INFO] [stdout] ffb6430b0ae984918c02d6d83e4475fcf5321eb3dbc3e805e0e59581809707bb