[INFO] fetching crate poh-yugen 0.1.0...
[INFO] building poh-yugen-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate poh-yugen 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate poh-yugen 0.1.0
[INFO] finished tweaking crates.io crate poh-yugen 0.1.0
[INFO] tweaked toml for crates.io crate poh-yugen 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate poh-yugen 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate poh-yugen 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 071820a09d3a286c624db767d4482adfd1524a6371eb1f8b7562620049e2a290
[INFO] running `Command { std: "docker" "start" "-a" "071820a09d3a286c624db767d4482adfd1524a6371eb1f8b7562620049e2a290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071820a09d3a286c624db767d4482adfd1524a6371eb1f8b7562620049e2a290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071820a09d3a286c624db767d4482adfd1524a6371eb1f8b7562620049e2a290", kill_on_drop: false }`
[INFO] [stdout] 071820a09d3a286c624db767d4482adfd1524a6371eb1f8b7562620049e2a290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e64a97502ad5751dfaa74a4b7c80e9446ad50533588f9c661988bf52224472a
[INFO] running `Command { std: "docker" "start" "-a" "4e64a97502ad5751dfaa74a4b7c80e9446ad50533588f9c661988bf52224472a", kill_on_drop: false }`
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling poh-yugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]   --> src/lib.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | use digest::{Digest,Output,OutputSizeUser};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::Sha256`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use sha2::Sha256;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OutputSizeUser`
[INFO] [stdout]   --> src/lib.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use digest::{Digest,Output,OutputSizeUser};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "4e64a97502ad5751dfaa74a4b7c80e9446ad50533588f9c661988bf52224472a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e64a97502ad5751dfaa74a4b7c80e9446ad50533588f9c661988bf52224472a", kill_on_drop: false }`
[INFO] [stdout] 4e64a97502ad5751dfaa74a4b7c80e9446ad50533588f9c661988bf52224472a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b7dca67fe091af296e812992d19b41e539663f57327b312bcf7a5be63fc7a99
[INFO] running `Command { std: "docker" "start" "-a" "8b7dca67fe091af296e812992d19b41e539663f57327b312bcf7a5be63fc7a99", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]   --> src/lib.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | use digest::{Digest,Output,OutputSizeUser};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::Sha256`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use sha2::Sha256;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OutputSizeUser`
[INFO] [stdout]   --> src/lib.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use digest::{Digest,Output,OutputSizeUser};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling poh-yugen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]   --> src/lib.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | use digest::{Digest,Output,OutputSizeUser};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OutputSizeUser`
[INFO] [stdout]   --> src/lib.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use digest::{Digest,Output,OutputSizeUser};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "8b7dca67fe091af296e812992d19b41e539663f57327b312bcf7a5be63fc7a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7dca67fe091af296e812992d19b41e539663f57327b312bcf7a5be63fc7a99", kill_on_drop: false }`
[INFO] [stdout] 8b7dca67fe091af296e812992d19b41e539663f57327b312bcf7a5be63fc7a99