[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] building chankyin/fstree against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchankyin%2Ffstree" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chankyin/fstree on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/chankyin/fstree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d3e3ced1f97885c5aefdd4a90e6cca043d07ec08554c609b9250cc0c5ffacd2
[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" "0d3e3ced1f97885c5aefdd4a90e6cca043d07ec08554c609b9250cc0c5ffacd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3e3ced1f97885c5aefdd4a90e6cca043d07ec08554c609b9250cc0c5ffacd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3e3ced1f97885c5aefdd4a90e6cca043d07ec08554c609b9250cc0c5ffacd2", kill_on_drop: false }`
[INFO] [stdout] 0d3e3ced1f97885c5aefdd4a90e6cca043d07ec08554c609b9250cc0c5ffacd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07697ac12a5e367686e771198e48a71aca73d4fc75867a8eae747325af642b1b
[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" "07697ac12a5e367686e771198e48a71aca73d4fc75867a8eae747325af642b1b", 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]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling 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 log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling filesize v0.1.0
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tokio-io v0.2.0-alpha.4
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling tokio-codec v0.2.0-alpha.4
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.4
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling console v0.8.0
[INFO] [stderr]    Compiling dialoguer v0.4.0
[INFO] [stderr]    Compiling 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]    Compiling tracing v0.1.7
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.4
[INFO] [stderr]    Compiling tokio-fs v0.2.0-alpha.4
[INFO] [stderr]    Compiling tokio-net v0.2.0-alpha.4
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.4
[INFO] [stderr]    Compiling tokio v0.2.0-alpha.4
[INFO] [stderr]    Compiling fstree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0597]: `cell` does not live long enough
[INFO] [stdout]   --> src/main.rs:73:52
[INFO] [stdout]    |
[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] 74 |   ...                           let future = async {
[INFO] [stdout]    |  __________________________________________________-
[INFO] [stdout] 75 | | ...                               match entry {
[INFO] [stdout] 76 | | ...                                   Ok(entry) => {
[INFO] [stdout] 77 | | ...                                       tree.dirs += 1;
[INFO] [stdout]    | |                                           ^^^^ borrowed value does not live long enough
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | | ...                               }
[INFO] [stdout] 87 | | ...                           };
[INFO] [stdout]    | |_______________________________- value captured here by generator
[INFO] [stdout] 88 |   ...                           futures.push(future);
[INFO] [stdout] 89 |   ...                       }
[INFO] [stdout]    |                             - `tree` dropped here while still borrowed
[INFO] [stdout] ...
[INFO] [stdout] 92 |   ...                   }
[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: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fstree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "07697ac12a5e367686e771198e48a71aca73d4fc75867a8eae747325af642b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07697ac12a5e367686e771198e48a71aca73d4fc75867a8eae747325af642b1b", kill_on_drop: false }`
[INFO] [stdout] 07697ac12a5e367686e771198e48a71aca73d4fc75867a8eae747325af642b1b
