[INFO] fetching crate khan_sum 0.1.0...
[INFO] testing khan_sum-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate khan_sum 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate khan_sum 0.1.0 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 khan_sum 0.1.0
[INFO] finished tweaking crates.io crate khan_sum 0.1.0
[INFO] tweaked toml for crates.io crate khan_sum 0.1.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0faa15c9d0e30d04f36d1baf07da7c7b85a7036c43d6e96c1f9e17051b3b1399
[INFO] running `Command { std: "docker" "start" "-a" "0faa15c9d0e30d04f36d1baf07da7c7b85a7036c43d6e96c1f9e17051b3b1399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0faa15c9d0e30d04f36d1baf07da7c7b85a7036c43d6e96c1f9e17051b3b1399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0faa15c9d0e30d04f36d1baf07da7c7b85a7036c43d6e96c1f9e17051b3b1399", kill_on_drop: false }`
[INFO] [stdout] 0faa15c9d0e30d04f36d1baf07da7c7b85a7036c43d6e96c1f9e17051b3b1399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c92643244126fd1f90e7e3e5e86b89e380f2892fd44851a3e5bb435110eb4c2f
[INFO] running `Command { std: "docker" "start" "-a" "c92643244126fd1f90e7e3e5e86b89e380f2892fd44851a3e5bb435110eb4c2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling khan_sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "c92643244126fd1f90e7e3e5e86b89e380f2892fd44851a3e5bb435110eb4c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92643244126fd1f90e7e3e5e86b89e380f2892fd44851a3e5bb435110eb4c2f", kill_on_drop: false }`
[INFO] [stdout] c92643244126fd1f90e7e3e5e86b89e380f2892fd44851a3e5bb435110eb4c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6d6a631f2271c7c6dfc5ceb09ca334b0a130e92c37972ddd3cc6c2665b499e85
[INFO] running `Command { std: "docker" "start" "-a" "6d6a631f2271c7c6dfc5ceb09ca334b0a130e92c37972ddd3cc6c2665b499e85", kill_on_drop: false }`
[INFO] [stderr]    Compiling khan_sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "6d6a631f2271c7c6dfc5ceb09ca334b0a130e92c37972ddd3cc6c2665b499e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6a631f2271c7c6dfc5ceb09ca334b0a130e92c37972ddd3cc6c2665b499e85", kill_on_drop: false }`
[INFO] [stdout] 6d6a631f2271c7c6dfc5ceb09ca334b0a130e92c37972ddd3cc6c2665b499e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8584a36069fa5e094be39206903f9d86138d8c03c75c3bdb023dd17f587efefe
[INFO] running `Command { std: "docker" "start" "-a" "8584a36069fa5e094be39206903f9d86138d8c03c75c3bdb023dd17f587efefe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/khan_sum-c7a3088d9854dc49)
[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 khan_sum
[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" "8584a36069fa5e094be39206903f9d86138d8c03c75c3bdb023dd17f587efefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8584a36069fa5e094be39206903f9d86138d8c03c75c3bdb023dd17f587efefe", kill_on_drop: false }`
[INFO] [stdout] 8584a36069fa5e094be39206903f9d86138d8c03c75c3bdb023dd17f587efefe