[INFO] fetching crate molt-shell 0.3.1...
[INFO] testing molt-shell-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate molt-shell 0.3.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate molt-shell 0.3.1 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 molt-shell 0.3.1
[INFO] finished tweaking crates.io crate molt-shell 0.3.1
[INFO] tweaked toml for crates.io crate molt-shell 0.3.1 written to /workspace/builds/worker-29/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded molt v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] a4b183431d0f9e1f20f5a84bdcfca131bd759036c35980b699f38dd3a80fb953
[INFO] running `Command { std: "docker" "start" "-a" "a4b183431d0f9e1f20f5a84bdcfca131bd759036c35980b699f38dd3a80fb953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4b183431d0f9e1f20f5a84bdcfca131bd759036c35980b699f38dd3a80fb953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b183431d0f9e1f20f5a84bdcfca131bd759036c35980b699f38dd3a80fb953", kill_on_drop: false }`
[INFO] [stdout] a4b183431d0f9e1f20f5a84bdcfca131bd759036c35980b699f38dd3a80fb953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] ec0c7f277fa401087e5188ba888400dbe9ae0c78a033fa02f443b81bd2871d5e
[INFO] running `Command { std: "docker" "start" "-a" "ec0c7f277fa401087e5188ba888400dbe9ae0c78a033fa02f443b81bd2871d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling molt v0.3.1
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling molt-shell v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.54s
[INFO] running `Command { std: "docker" "inspect" "ec0c7f277fa401087e5188ba888400dbe9ae0c78a033fa02f443b81bd2871d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0c7f277fa401087e5188ba888400dbe9ae0c78a033fa02f443b81bd2871d5e", kill_on_drop: false }`
[INFO] [stdout] ec0c7f277fa401087e5188ba888400dbe9ae0c78a033fa02f443b81bd2871d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 55c4c5d60c7280d4db2dcad65a16c89d37ae9d0ee86d252c45bc5d91e8b5afce
[INFO] running `Command { std: "docker" "start" "-a" "55c4c5d60c7280d4db2dcad65a16c89d37ae9d0ee86d252c45bc5d91e8b5afce", kill_on_drop: false }`
[INFO] [stderr]    Compiling molt-shell v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "55c4c5d60c7280d4db2dcad65a16c89d37ae9d0ee86d252c45bc5d91e8b5afce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c4c5d60c7280d4db2dcad65a16c89d37ae9d0ee86d252c45bc5d91e8b5afce", kill_on_drop: false }`
[INFO] [stdout] 55c4c5d60c7280d4db2dcad65a16c89d37ae9d0ee86d252c45bc5d91e8b5afce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 8fdece78530cfbb1851baf1d421def9a6438b77d6a0d58e537a45a64f91cd6f5
[INFO] running `Command { std: "docker" "start" "-a" "8fdece78530cfbb1851baf1d421def9a6438b77d6a0d58e537a45a64f91cd6f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/molt_shell-e3eadaf75e173d04)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests molt-shell
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/shell.rs - shell::repl (line 23) ... ok
[INFO] [stdout] test src/shell.rs - shell::script (line 102) ... ok
[INFO] [stdout] test src/bench.rs - bench::benchmark (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fdece78530cfbb1851baf1d421def9a6438b77d6a0d58e537a45a64f91cd6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdece78530cfbb1851baf1d421def9a6438b77d6a0d58e537a45a64f91cd6f5", kill_on_drop: false }`
[INFO] [stdout] 8fdece78530cfbb1851baf1d421def9a6438b77d6a0d58e537a45a64f91cd6f5