[INFO] fetching crate yagen 0.2.0...
[INFO] testing yagen-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate yagen 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yagen 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yagen 0.2.0
[INFO] finished tweaking crates.io crate yagen 0.2.0
[INFO] tweaked toml for crates.io crate yagen 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8d75e782a4401be5aefd5275a7798df5f92e00596fbe34d4a1c5f6b7c4623a7
[INFO] running `Command { std: "docker" "start" "-a" "d8d75e782a4401be5aefd5275a7798df5f92e00596fbe34d4a1c5f6b7c4623a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d75e782a4401be5aefd5275a7798df5f92e00596fbe34d4a1c5f6b7c4623a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d75e782a4401be5aefd5275a7798df5f92e00596fbe34d4a1c5f6b7c4623a7", kill_on_drop: false }`
[INFO] [stdout] d8d75e782a4401be5aefd5275a7798df5f92e00596fbe34d4a1c5f6b7c4623a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6566c520b92418e39aec8728ec3a420c7ee2f63bc85fda382f0bdc47cd24afa
[INFO] running `Command { std: "docker" "start" "-a" "d6566c520b92418e39aec8728ec3a420c7ee2f63bc85fda382f0bdc47cd24afa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling yagen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem::replace`
[INFO] [stdout]  --> src/flat_scan.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::replace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/flat_scan.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/compose.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "d6566c520b92418e39aec8728ec3a420c7ee2f63bc85fda382f0bdc47cd24afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6566c520b92418e39aec8728ec3a420c7ee2f63bc85fda382f0bdc47cd24afa", kill_on_drop: false }`
[INFO] [stdout] d6566c520b92418e39aec8728ec3a420c7ee2f63bc85fda382f0bdc47cd24afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f3a89c7321ea82d89d6eab8a21833eef3d48db5521802bee397d1217518bdd0
[INFO] running `Command { std: "docker" "start" "-a" "0f3a89c7321ea82d89d6eab8a21833eef3d48db5521802bee397d1217518bdd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::mem::replace`
[INFO] [stdout]  --> src/flat_scan.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::replace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yagen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/flat_scan.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/compose.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::replace`
[INFO] [stdout]  --> src/flat_scan.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::replace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/flat_scan.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/compose.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "0f3a89c7321ea82d89d6eab8a21833eef3d48db5521802bee397d1217518bdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3a89c7321ea82d89d6eab8a21833eef3d48db5521802bee397d1217518bdd0", kill_on_drop: false }`
[INFO] [stdout] 0f3a89c7321ea82d89d6eab8a21833eef3d48db5521802bee397d1217518bdd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22f2f1866464e3d3a78255ddda698be41e27fcf6fd2645c6741f78dacd692dbb
[INFO] running `Command { std: "docker" "start" "-a" "22f2f1866464e3d3a78255ddda698be41e27fcf6fd2645c6741f78dacd692dbb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem::replace`
[INFO] [stderr]  --> src/flat_scan.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem::replace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/flat_scan.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/compose.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `yagen` (lib) generated 3 warnings
[INFO] [stderr] warning: `yagen` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yagen-620a95f6f24c4435)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yagen
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22f2f1866464e3d3a78255ddda698be41e27fcf6fd2645c6741f78dacd692dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f2f1866464e3d3a78255ddda698be41e27fcf6fd2645c6741f78dacd692dbb", kill_on_drop: false }`
[INFO] [stdout] 22f2f1866464e3d3a78255ddda698be41e27fcf6fd2645c6741f78dacd692dbb