[INFO] fetching crate power-of-two 0.1.0...
[INFO] testing power-of-two-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate power-of-two 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate power-of-two 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 power-of-two 0.1.0
[INFO] finished tweaking crates.io crate power-of-two 0.1.0
[INFO] tweaked toml for crates.io crate power-of-two 0.1.0 written to /workspace/builds/worker-10/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded power-of-two-impl v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6e8b72d25166a3b72e9c2f40ea0b545916468e3d61468e68c818a533289de3a5
[INFO] running `Command { std: "docker" "start" "-a" "6e8b72d25166a3b72e9c2f40ea0b545916468e3d61468e68c818a533289de3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e8b72d25166a3b72e9c2f40ea0b545916468e3d61468e68c818a533289de3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8b72d25166a3b72e9c2f40ea0b545916468e3d61468e68c818a533289de3a5", kill_on_drop: false }`
[INFO] [stdout] 6e8b72d25166a3b72e9c2f40ea0b545916468e3d61468e68c818a533289de3a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 78efb52b0d525d75c3f4694479f9f32af9fc02d7b9c758c2809256b298dcbf65
[INFO] running `Command { std: "docker" "start" "-a" "78efb52b0d525d75c3f4694479f9f32af9fc02d7b9c758c2809256b298dcbf65", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling power-of-two-impl v0.1.0
[INFO] [stderr]    Compiling power-of-two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "78efb52b0d525d75c3f4694479f9f32af9fc02d7b9c758c2809256b298dcbf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78efb52b0d525d75c3f4694479f9f32af9fc02d7b9c758c2809256b298dcbf65", kill_on_drop: false }`
[INFO] [stdout] 78efb52b0d525d75c3f4694479f9f32af9fc02d7b9c758c2809256b298dcbf65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7ea2246e36097a7ff75e025d35e4a21d83e2272d07ee219a01664d95593184cb
[INFO] running `Command { std: "docker" "start" "-a" "7ea2246e36097a7ff75e025d35e4a21d83e2272d07ee219a01664d95593184cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling power-of-two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "7ea2246e36097a7ff75e025d35e4a21d83e2272d07ee219a01664d95593184cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea2246e36097a7ff75e025d35e4a21d83e2272d07ee219a01664d95593184cb", kill_on_drop: false }`
[INFO] [stdout] 7ea2246e36097a7ff75e025d35e4a21d83e2272d07ee219a01664d95593184cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] af8ddb20bd9842c1c03cc52860ef8d0f67a20b2b883827a5f081cd7f5a1c97fc
[INFO] running `Command { std: "docker" "start" "-a" "af8ddb20bd9842c1c03cc52860ef8d0f67a20b2b883827a5f081cd7f5a1c97fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/power_of_two-4f1ab63684c43ef0)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/check.rs (/opt/rustwide/target/debug/deps/check-843eac5907ef6181)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests power-of-two
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test check_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - power_of_two (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af8ddb20bd9842c1c03cc52860ef8d0f67a20b2b883827a5f081cd7f5a1c97fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8ddb20bd9842c1c03cc52860ef8d0f67a20b2b883827a5f081cd7f5a1c97fc", kill_on_drop: false }`
[INFO] [stdout] af8ddb20bd9842c1c03cc52860ef8d0f67a20b2b883827a5f081cd7f5a1c97fc