[INFO] cloning repository https://github.com/gwy15/type_erase_exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwy15/type_erase_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwy15%2Ftype_erase_exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwy15%2Ftype_erase_exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89c4a6205a4f5680feb117cbbacdb87883f1bd02
[INFO] testing gwy15/type_erase_exercise against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwy15%2Ftype_erase_exercise" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gwy15/type_erase_exercise 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 git repo https://github.com/gwy15/type_erase_exercise
[INFO] finished tweaking git repo https://github.com/gwy15/type_erase_exercise
[INFO] tweaked toml for git repo https://github.com/gwy15/type_erase_exercise written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/gwy15/type_erase_exercise already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded mockall v0.9.1
[INFO] [stderr]   Downloaded regex v1.4.4
[INFO] [stderr]   Downloaded mockall_derive v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 79676ceb7d78ddeae3b2b58a9879149f6afd591f1ec4f383ac0fedb0ea8c6899
[INFO] running `Command { std: "docker" "start" "-a" "79676ceb7d78ddeae3b2b58a9879149f6afd591f1ec4f383ac0fedb0ea8c6899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79676ceb7d78ddeae3b2b58a9879149f6afd591f1ec4f383ac0fedb0ea8c6899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79676ceb7d78ddeae3b2b58a9879149f6afd591f1ec4f383ac0fedb0ea8c6899", kill_on_drop: false }`
[INFO] [stdout] 79676ceb7d78ddeae3b2b58a9879149f6afd591f1ec4f383ac0fedb0ea8c6899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b0e91fd6bcb31aac9c3fa2d34281b2d7a08731bc592260932383d1390835db87
[INFO] running `Command { std: "docker" "start" "-a" "b0e91fd6bcb31aac9c3fa2d34281b2d7a08731bc592260932383d1390835db87", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_erase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "b0e91fd6bcb31aac9c3fa2d34281b2d7a08731bc592260932383d1390835db87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e91fd6bcb31aac9c3fa2d34281b2d7a08731bc592260932383d1390835db87", kill_on_drop: false }`
[INFO] [stdout] b0e91fd6bcb31aac9c3fa2d34281b2d7a08731bc592260932383d1390835db87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] deb93cb7a91d57fc59dc47c45def15c9be4f85a88e2306e47aa4e44a15f73c58
[INFO] running `Command { std: "docker" "start" "-a" "deb93cb7a91d57fc59dc47c45def15c9be4f85a88e2306e47aa4e44a15f73c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling regex v1.4.4
[INFO] [stderr]    Compiling predicates v1.0.7
[INFO] [stderr]    Compiling mockall_derive v0.9.1
[INFO] [stderr]    Compiling mockall v0.9.1
[INFO] [stderr]    Compiling type_erase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.10s
[INFO] running `Command { std: "docker" "inspect" "deb93cb7a91d57fc59dc47c45def15c9be4f85a88e2306e47aa4e44a15f73c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb93cb7a91d57fc59dc47c45def15c9be4f85a88e2306e47aa4e44a15f73c58", kill_on_drop: false }`
[INFO] [stdout] deb93cb7a91d57fc59dc47c45def15c9be4f85a88e2306e47aa4e44a15f73c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c02fc09902d5dbf45ce2f7635dc8f9eb5b925c53c0cd5cd5d46902eb20ee16f7
[INFO] running `Command { std: "docker" "start" "-a" "c02fc09902d5dbf45ce2f7635dc8f9eb5b925c53c0cd5cd5d46902eb20ee16f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/type_erase-ac2ca905f64d395c)
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests type_erase
[INFO] [stdout] test introduce_async::test_second_try ... ok
[INFO] [stdout] test second_try::test_second_try ... ok
[INFO] [stdout] test start_simple::test_start_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "c02fc09902d5dbf45ce2f7635dc8f9eb5b925c53c0cd5cd5d46902eb20ee16f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02fc09902d5dbf45ce2f7635dc8f9eb5b925c53c0cd5cd5d46902eb20ee16f7", kill_on_drop: false }`
[INFO] [stdout] c02fc09902d5dbf45ce2f7635dc8f9eb5b925c53c0cd5cd5d46902eb20ee16f7