[INFO] fetching crate rtreec 0.1.0...
[INFO] testing rtreec-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rtreec 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate rtreec 0.1.0 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 rtreec 0.1.0
[INFO] finished tweaking crates.io crate rtreec 0.1.0
[INFO] tweaked toml for crates.io crate rtreec 0.1.0 written to /workspace/builds/worker-23/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] [stderr]     Blocking waiting for file lock on package cache
[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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 0ac699e366ebb07bf9ae4a5f13cf5d8b9254491d28c6ded73e0fc589de1fdf74
[INFO] running `Command { std: "docker" "start" "-a" "0ac699e366ebb07bf9ae4a5f13cf5d8b9254491d28c6ded73e0fc589de1fdf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac699e366ebb07bf9ae4a5f13cf5d8b9254491d28c6ded73e0fc589de1fdf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac699e366ebb07bf9ae4a5f13cf5d8b9254491d28c6ded73e0fc589de1fdf74", kill_on_drop: false }`
[INFO] [stdout] 0ac699e366ebb07bf9ae4a5f13cf5d8b9254491d28c6ded73e0fc589de1fdf74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 67c7a9ec2a8fe9ad2379929a092e864dec054a2fb06a0040db4b5c8d0f61301b
[INFO] running `Command { std: "docker" "start" "-a" "67c7a9ec2a8fe9ad2379929a092e864dec054a2fb06a0040db4b5c8d0f61301b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rtreec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "67c7a9ec2a8fe9ad2379929a092e864dec054a2fb06a0040db4b5c8d0f61301b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c7a9ec2a8fe9ad2379929a092e864dec054a2fb06a0040db4b5c8d0f61301b", kill_on_drop: false }`
[INFO] [stdout] 67c7a9ec2a8fe9ad2379929a092e864dec054a2fb06a0040db4b5c8d0f61301b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 99f3f864aecd5b96d09eee2d8b9e02df7a434ff9795d9cb346f0274c1369fe7f
[INFO] running `Command { std: "docker" "start" "-a" "99f3f864aecd5b96d09eee2d8b9e02df7a434ff9795d9cb346f0274c1369fe7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtreec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rtreec-24d2b985d0bc89c7)
[INFO] running `Command { std: "docker" "inspect" "99f3f864aecd5b96d09eee2d8b9e02df7a434ff9795d9cb346f0274c1369fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f3f864aecd5b96d09eee2d8b9e02df7a434ff9795d9cb346f0274c1369fe7f", kill_on_drop: false }`
[INFO] [stdout] 99f3f864aecd5b96d09eee2d8b9e02df7a434ff9795d9cb346f0274c1369fe7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 33f04f043145fd3c3ee2b4553669d0a874de179508400aacd4d95a31b90b2da7
[INFO] running `Command { std: "docker" "start" "-a" "33f04f043145fd3c3ee2b4553669d0a874de179508400aacd4d95a31b90b2da7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rtreec-24d2b985d0bc89c7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rtreec
[INFO] [stdout] test tests::rtreec_new ... 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 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" "33f04f043145fd3c3ee2b4553669d0a874de179508400aacd4d95a31b90b2da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f04f043145fd3c3ee2b4553669d0a874de179508400aacd4d95a31b90b2da7", kill_on_drop: false }`
[INFO] [stdout] 33f04f043145fd3c3ee2b4553669d0a874de179508400aacd4d95a31b90b2da7