[INFO] fetching crate lttb 0.2.0...
[INFO] testing lttb-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lttb 0.2.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate lttb 0.2.0 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 lttb 0.2.0
[INFO] finished tweaking crates.io crate lttb 0.2.0
[INFO] tweaked toml for crates.io crate lttb 0.2.0 written to /workspace/builds/worker-56/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 7cb26abc6609c0b8afe41879c0e2e6ecc467d82bbdf990b03e5bcead5ac5af91
[INFO] running `Command { std: "docker" "start" "-a" "7cb26abc6609c0b8afe41879c0e2e6ecc467d82bbdf990b03e5bcead5ac5af91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb26abc6609c0b8afe41879c0e2e6ecc467d82bbdf990b03e5bcead5ac5af91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb26abc6609c0b8afe41879c0e2e6ecc467d82bbdf990b03e5bcead5ac5af91", kill_on_drop: false }`
[INFO] [stdout] 7cb26abc6609c0b8afe41879c0e2e6ecc467d82bbdf990b03e5bcead5ac5af91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 323c5d9386e2cee2b7bb983157c660362049b19e8506f308c232dfeb148955b7
[INFO] running `Command { std: "docker" "start" "-a" "323c5d9386e2cee2b7bb983157c660362049b19e8506f308c232dfeb148955b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lttb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "323c5d9386e2cee2b7bb983157c660362049b19e8506f308c232dfeb148955b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323c5d9386e2cee2b7bb983157c660362049b19e8506f308c232dfeb148955b7", kill_on_drop: false }`
[INFO] [stdout] 323c5d9386e2cee2b7bb983157c660362049b19e8506f308c232dfeb148955b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 145ae24b82f0f64ac80d4e5b474303e91bef47038c43dfee042b2f1e86ae03ec
[INFO] running `Command { std: "docker" "start" "-a" "145ae24b82f0f64ac80d4e5b474303e91bef47038c43dfee042b2f1e86ae03ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling lttb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lttb-b5d77345679ce0d0)
[INFO] running `Command { std: "docker" "inspect" "145ae24b82f0f64ac80d4e5b474303e91bef47038c43dfee042b2f1e86ae03ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145ae24b82f0f64ac80d4e5b474303e91bef47038c43dfee042b2f1e86ae03ec", kill_on_drop: false }`
[INFO] [stdout] 145ae24b82f0f64ac80d4e5b474303e91bef47038c43dfee042b2f1e86ae03ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 594a3de8c4de8672ede534fe8d2167ff3266094a51d37c78c8250f710f2a8ecf
[INFO] running `Command { std: "docker" "start" "-a" "594a3de8c4de8672ede534fe8d2167ff3266094a51d37c78c8250f710f2a8ecf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lttb-b5d77345679ce0d0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::lttb_test ... 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] [stderr]    Doc-tests lttb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "594a3de8c4de8672ede534fe8d2167ff3266094a51d37c78c8250f710f2a8ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594a3de8c4de8672ede534fe8d2167ff3266094a51d37c78c8250f710f2a8ecf", kill_on_drop: false }`
[INFO] [stdout] 594a3de8c4de8672ede534fe8d2167ff3266094a51d37c78c8250f710f2a8ecf