[INFO] cloning repository https://github.com/Aofusa/virtual-filesystem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aofusa/virtual-filesystem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAofusa%2Fvirtual-filesystem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAofusa%2Fvirtual-filesystem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 900ccea8b658ca19a311a4ac325c136d71131819
[INFO] testing Aofusa/virtual-filesystem against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAofusa%2Fvirtual-filesystem" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aofusa/virtual-filesystem on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aofusa/virtual-filesystem
[INFO] finished tweaking git repo https://github.com/Aofusa/virtual-filesystem
[INFO] tweaked toml for git repo https://github.com/Aofusa/virtual-filesystem written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Aofusa/virtual-filesystem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5542901fc77422e468051e323718dec5706e5b62f250b580e927e0820749603f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5542901fc77422e468051e323718dec5706e5b62f250b580e927e0820749603f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5542901fc77422e468051e323718dec5706e5b62f250b580e927e0820749603f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5542901fc77422e468051e323718dec5706e5b62f250b580e927e0820749603f", kill_on_drop: false }`
[INFO] [stdout] 5542901fc77422e468051e323718dec5706e5b62f250b580e927e0820749603f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6bbe7e2b28c5ff76914ae20a807d8d294513f03a2ff23625d52757036e4c9f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6bbe7e2b28c5ff76914ae20a807d8d294513f03a2ff23625d52757036e4c9f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtual-filesystem v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "e6bbe7e2b28c5ff76914ae20a807d8d294513f03a2ff23625d52757036e4c9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bbe7e2b28c5ff76914ae20a807d8d294513f03a2ff23625d52757036e4c9f4", kill_on_drop: false }`
[INFO] [stdout] e6bbe7e2b28c5ff76914ae20a807d8d294513f03a2ff23625d52757036e4c9f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e2d733e41f318727bc298de0a4de62de84f45dca9863a23bba7935c46a05d8c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e2d733e41f318727bc298de0a4de62de84f45dca9863a23bba7935c46a05d8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling virtual-filesystem v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "8e2d733e41f318727bc298de0a4de62de84f45dca9863a23bba7935c46a05d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2d733e41f318727bc298de0a4de62de84f45dca9863a23bba7935c46a05d8c", kill_on_drop: false }`
[INFO] [stdout] 8e2d733e41f318727bc298de0a4de62de84f45dca9863a23bba7935c46a05d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 592da538cc482ca6df952a93493abad2fc9e3565210062979ed2c024b6e6f962
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "592da538cc482ca6df952a93493abad2fc9e3565210062979ed2c024b6e6f962", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/virtual_filesystem-44f9ba44731555c0
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test virtual_filesystem::command::tests::test_command ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_enter ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_exit ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_find ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_cd ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_touch ... ok
[INFO] [stdout] test virtual_filesystem_core::filesystem::tests_file_node::test_create ... ok
[INFO] [stdout] test virtual_filesystem_core::filesystem::tests_file_object::test_name ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_help ... ok
[INFO] [stdout] test virtual_filesystem_core::filesystem::tests_graph::test_edge ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_ls ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cli-8fec0900e8a90631
[INFO] [stdout] test virtual_filesystem::shell::test::test_mkdir ... ok
[INFO] [stderr]    Doc-tests virtual-filesystem
[INFO] [stdout] test virtual_filesystem::shell::test::test_pwd ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_write ... ok
[INFO] [stdout] test virtual_filesystem::shell::test::test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "592da538cc482ca6df952a93493abad2fc9e3565210062979ed2c024b6e6f962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592da538cc482ca6df952a93493abad2fc9e3565210062979ed2c024b6e6f962", kill_on_drop: false }`
[INFO] [stdout] 592da538cc482ca6df952a93493abad2fc9e3565210062979ed2c024b6e6f962