[INFO] fetching crate caret 0.1.1...
[INFO] testing caret-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate caret 0.1.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate caret 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caret 0.1.1
[INFO] finished tweaking crates.io crate caret 0.1.1
[INFO] tweaked toml for crates.io crate caret 0.1.1 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86483104f899f73e8a1f6fc96064ad67e64f48cc04689941d808311a420b4c66
[INFO] running `Command { std: "docker" "start" "-a" "86483104f899f73e8a1f6fc96064ad67e64f48cc04689941d808311a420b4c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86483104f899f73e8a1f6fc96064ad67e64f48cc04689941d808311a420b4c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86483104f899f73e8a1f6fc96064ad67e64f48cc04689941d808311a420b4c66", kill_on_drop: false }`
[INFO] [stdout] 86483104f899f73e8a1f6fc96064ad67e64f48cc04689941d808311a420b4c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd3e1d05e193a3ea14ffa451d5647aef351a87541736997653cdc21747a8147
[INFO] running `Command { std: "docker" "start" "-a" "abd3e1d05e193a3ea14ffa451d5647aef351a87541736997653cdc21747a8147", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling caret v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "abd3e1d05e193a3ea14ffa451d5647aef351a87541736997653cdc21747a8147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd3e1d05e193a3ea14ffa451d5647aef351a87541736997653cdc21747a8147", kill_on_drop: false }`
[INFO] [stdout] abd3e1d05e193a3ea14ffa451d5647aef351a87541736997653cdc21747a8147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d4edb603ada1264027b385fe49125d94a6d86895407dc65fa0927e8cce8a963
[INFO] running `Command { std: "docker" "start" "-a" "9d4edb603ada1264027b385fe49125d94a6d86895407dc65fa0927e8cce8a963", kill_on_drop: false }`
[INFO] [stderr]    Compiling caret v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/caret-4c16443206b71b2e)
[INFO] [stderr]   Executable tests/example_int.rs (/opt/rustwide/target/debug/deps/example_int-6f63784798cc72c6)
[INFO] running `Command { std: "docker" "inspect" "9d4edb603ada1264027b385fe49125d94a6d86895407dc65fa0927e8cce8a963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4edb603ada1264027b385fe49125d94a6d86895407dc65fa0927e8cce8a963", kill_on_drop: false }`
[INFO] [stdout] 9d4edb603ada1264027b385fe49125d94a6d86895407dc65fa0927e8cce8a963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 941bd62f30a2e8c5e3b1649839fb2f26ada7db5b884eadd0fcf93646a96274d1
[INFO] running `Command { std: "docker" "start" "-a" "941bd62f30a2e8c5e3b1649839fb2f26ada7db5b884eadd0fcf93646a96274d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/caret-4c16443206b71b2e)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/example_int.rs (/opt/rustwide/target/debug/deps/example_int-6f63784798cc72c6)
[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] [stdout] 
[INFO] [stderr]    Doc-tests caret
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_int_ops ... ok
[INFO] [stdout] test test_str_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - caret_int (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "941bd62f30a2e8c5e3b1649839fb2f26ada7db5b884eadd0fcf93646a96274d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941bd62f30a2e8c5e3b1649839fb2f26ada7db5b884eadd0fcf93646a96274d1", kill_on_drop: false }`
[INFO] [stdout] 941bd62f30a2e8c5e3b1649839fb2f26ada7db5b884eadd0fcf93646a96274d1