[INFO] fetching crate alo 0.3.0...
[INFO] testing alo-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate alo 0.3.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate alo 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alo 0.3.0
[INFO] finished tweaking crates.io crate alo 0.3.0
[INFO] tweaked toml for crates.io crate alo 0.3.0 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2021-09-08" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d1b9679b18fdf3d0652460c614c76e25b2436aac510d2a7922aaf4077c0206d
[INFO] running `Command { std: "docker" "start" "-a" "8d1b9679b18fdf3d0652460c614c76e25b2436aac510d2a7922aaf4077c0206d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d1b9679b18fdf3d0652460c614c76e25b2436aac510d2a7922aaf4077c0206d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1b9679b18fdf3d0652460c614c76e25b2436aac510d2a7922aaf4077c0206d", kill_on_drop: false }`
[INFO] [stdout] 8d1b9679b18fdf3d0652460c614c76e25b2436aac510d2a7922aaf4077c0206d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d1eb2b2d92b68e48c778ba552f3d19e616e685ccfd5ba46eb6518a861c3cfe
[INFO] running `Command { std: "docker" "start" "-a" "08d1eb2b2d92b68e48c778ba552f3d19e616e685ccfd5ba46eb6518a861c3cfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling alo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "08d1eb2b2d92b68e48c778ba552f3d19e616e685ccfd5ba46eb6518a861c3cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d1eb2b2d92b68e48c778ba552f3d19e616e685ccfd5ba46eb6518a861c3cfe", kill_on_drop: false }`
[INFO] [stdout] 08d1eb2b2d92b68e48c778ba552f3d19e616e685ccfd5ba46eb6518a861c3cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dee4cc033da5c4b70f01d879bdefa451eb15c8265f1e9dad00bc4d9a985c5520
[INFO] running `Command { std: "docker" "start" "-a" "dee4cc033da5c4b70f01d879bdefa451eb15c8265f1e9dad00bc4d9a985c5520", kill_on_drop: false }`
[INFO] [stderr]    Compiling alo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "dee4cc033da5c4b70f01d879bdefa451eb15c8265f1e9dad00bc4d9a985c5520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee4cc033da5c4b70f01d879bdefa451eb15c8265f1e9dad00bc4d9a985c5520", kill_on_drop: false }`
[INFO] [stdout] dee4cc033da5c4b70f01d879bdefa451eb15c8265f1e9dad00bc4d9a985c5520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a9ecdf161c76a3c12b99648d10320290719d9189160737dbf139e144be88840
[INFO] running `Command { std: "docker" "start" "-a" "8a9ecdf161c76a3c12b99648d10320290719d9189160737dbf139e144be88840", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alo-e82e5d1490499614)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::get ... ok
[INFO] [stdout] test test::ord_many_and_many ... ok
[INFO] [stdout] test test::ord_single_and_many ... ok
[INFO] [stdout] test test::ord_singles ... ok
[INFO] [stdout] test test::removeing_item_should_return_removed_value ... ok
[INFO] [stderr]    Doc-tests alo
[INFO] [stdout] test test::removing_by_out_of_bound_index_should_panic - should panic ... ok
[INFO] [stdout] test test::removing_from_alo_which_contains_only_one_item_should_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "8a9ecdf161c76a3c12b99648d10320290719d9189160737dbf139e144be88840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9ecdf161c76a3c12b99648d10320290719d9189160737dbf139e144be88840", kill_on_drop: false }`
[INFO] [stdout] 8a9ecdf161c76a3c12b99648d10320290719d9189160737dbf139e144be88840