[INFO] cloning repository https://github.com/chankyin/fstree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chankyin/fstree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchankyin%2Ffstree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchankyin%2Ffstree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11576f11f6258048a449ad2cebaf35ca8f2d79c6
[INFO] checking chankyin/fstree against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchankyin%2Ffstree" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chankyin/fstree
[INFO] finished tweaking git repo https://github.com/chankyin/fstree
[INFO] tweaked toml for git repo https://github.com/chankyin/fstree written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chankyin/fstree on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chankyin/fstree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking chankyin/fstree against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchankyin%2Ffstree" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chankyin/fstree
[INFO] finished tweaking git repo https://github.com/chankyin/fstree
[INFO] tweaked toml for git repo https://github.com/chankyin/fstree written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chankyin/fstree on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chankyin/fstree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking chankyin/fstree against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchankyin%2Ffstree" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chankyin/fstree
[INFO] finished tweaking git repo https://github.com/chankyin/fstree
[INFO] tweaked toml for git repo https://github.com/chankyin/fstree written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chankyin/fstree on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chankyin/fstree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "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 tracing v0.1.7
[INFO] [stderr]   Downloaded tokio-macros v0.2.0-alpha.4
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded filesize v0.1.0
[INFO] [stderr]   Downloaded dialoguer v0.4.0
[INFO] [stderr]   Downloaded tokio-codec v0.2.0-alpha.4
[INFO] [stderr]   Downloaded tokio-timer v0.3.0-alpha.4
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded tokio v0.2.0-alpha.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.2
[INFO] [stderr]   Downloaded tokio-executor v0.2.0-alpha.4
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded tokio-net v0.2.0-alpha.4
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded tracing-attributes v0.1.2
[INFO] [stderr]   Downloaded tracing-core v0.1.5
[INFO] [stderr]   Downloaded tokio-fs v0.2.0-alpha.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded tokio-io v0.2.0-alpha.4
[INFO] [stderr]   Downloaded tokio-sync v0.2.0-alpha.4
[INFO] [stderr]   Downloaded indicatif v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e499442bfaddc4d39cac8a9cb69693b913acba5a58fa8433adfae95457948647
[INFO] running `Command { std: "docker" "start" "-a" "e499442bfaddc4d39cac8a9cb69693b913acba5a58fa8433adfae95457948647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e499442bfaddc4d39cac8a9cb69693b913acba5a58fa8433adfae95457948647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e499442bfaddc4d39cac8a9cb69693b913acba5a58fa8433adfae95457948647", kill_on_drop: false }`
[INFO] [stdout] e499442bfaddc4d39cac8a9cb69693b913acba5a58fa8433adfae95457948647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 033b83c3805be5c6697e42d95d53c3d8284f0b40169058f7141981c5751fcc24
[INFO] running `Command { std: "docker" "start" "-a" "033b83c3805be5c6697e42d95d53c3d8284f0b40169058f7141981c5751fcc24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]     Checking tracing-core v0.1.5
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.4
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking filesize v0.1.0
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking console v0.8.0
[INFO] [stderr]     Checking dialoguer v0.4.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.4
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking tracing v0.1.7
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.4
[INFO] [stderr]     Checking tokio v0.2.0-alpha.4
[INFO] [stderr]     Checking fstree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/main.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug, Default, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/main.rs:30:44
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug, Default, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/main.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug, Default, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `serde::Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/main.rs:30:44
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug, Default, serde::Serialize, serde::Deserialize)]
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `serde::Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the derive macro `serde::Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the derive macro `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `cell` does not live long enough
[INFO] [stdout]   --> src/main.rs:73:52
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                       let cell = RefCell::new(tree);
[INFO] [stdout]    |                               ---- binding `cell` declared here
[INFO] [stdout] 72 | ...                       for entry in dir_list {
[INFO] [stdout] 73 | ...                           let mut tree = cell.borrow_mut();
[INFO] [stdout]    |                                              ^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 92 | ...                   }
[INFO] [stdout]    |                       -
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `cell` dropped here while still borrowed
[INFO] [stdout]    |                       borrow might be used here, when `futures` is dropped and runs the `Drop` code for type `Vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: values in a scope are dropped in the opposite order they are defined
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `tree` does not live long enough
[INFO] [stdout]   --> src/main.rs:77:49
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                       let mut tree = cell.borrow_mut();
[INFO] [stdout]    |                               -------- binding `tree` declared here
[INFO] [stdout] 74 | ...                       let future = async {
[INFO] [stdout]    |                                        ----- value captured here by coroutine
[INFO] [stdout] ...
[INFO] [stdout] 77 | ...                                   tree.dirs += 1;
[INFO] [stdout]    |                                       ^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 89 | ...                   }
[INFO] [stdout]    |                       - `tree` dropped here while still borrowed
[INFO] [stdout] 90 | ...                   futures_util::future::join_all(futures).await;
[INFO] [stdout]    |                                                      ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `cell` does not live long enough
[INFO] [stdout]   --> src/main.rs:73:52
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                       let cell = RefCell::new(tree);
[INFO] [stdout]    |                               ---- binding `cell` declared here
[INFO] [stdout] 72 | ...                       for entry in dir_list {
[INFO] [stdout] 73 | ...                           let mut tree = cell.borrow_mut();
[INFO] [stdout]    |                                              ^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 92 | ...                   }
[INFO] [stdout]    |                       -
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `cell` dropped here while still borrowed
[INFO] [stdout]    |                       borrow might be used here, when `futures` is dropped and runs the `Drop` code for type `Vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: values in a scope are dropped in the opposite order they are defined
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `tree` does not live long enough
[INFO] [stdout]   --> src/main.rs:77:49
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                       let mut tree = cell.borrow_mut();
[INFO] [stdout]    |                               -------- binding `tree` declared here
[INFO] [stdout] 74 | ...                       let future = async {
[INFO] [stdout]    |                                        ----- value captured here by coroutine
[INFO] [stdout] ...
[INFO] [stdout] 77 | ...                                   tree.dirs += 1;
[INFO] [stdout]    |                                       ^^^^ borrowed value does not live long enough
[INFO] [stdout] ...
[INFO] [stdout] 89 | ...                   }
[INFO] [stdout]    |                       - `tree` dropped here while still borrowed
[INFO] [stdout] 90 | ...                   futures_util::future::join_all(futures).await;
[INFO] [stdout]    |                                                      ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fstree` (bin "fstree") due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fstree` (bin "fstree" test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "033b83c3805be5c6697e42d95d53c3d8284f0b40169058f7141981c5751fcc24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033b83c3805be5c6697e42d95d53c3d8284f0b40169058f7141981c5751fcc24", kill_on_drop: false }`
[INFO] [stdout] 033b83c3805be5c6697e42d95d53c3d8284f0b40169058f7141981c5751fcc24
