[INFO] fetching crate sandboxfs 0.1.0...
[INFO] extracting crate sandboxfs 0.1.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/sandboxfs/0.1.0
[INFO] extracting crate sandboxfs 0.1.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/sandboxfs/0.1.0
[INFO] validating manifest of sandboxfs-0.1.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sandboxfs-0.1.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sandboxfs-0.1.0
[INFO] finished frobbing sandboxfs-0.1.0
[INFO] frobbed toml for sandboxfs-0.1.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/sandboxfs/0.1.0/Cargo.toml
[INFO] started frobbing sandboxfs-0.1.0
[INFO] finished frobbing sandboxfs-0.1.0
[INFO] frobbed toml for sandboxfs-0.1.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/sandboxfs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sandboxfs-0.1.0 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/sandboxfs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0eaa0ac1e5b7996c3e5c42322eeae0512c27f37edf1a4c7d4946ed09f2707a5d
[INFO] running `"docker" "start" "-a" "0eaa0ac1e5b7996c3e5c42322eeae0512c27f37edf1a4c7d4946ed09f2707a5d"`
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling sandboxfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/dir.rs:223:50
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn new_empty(inode: u64, parent: Option<&Node>, now: time::Timespec) -> ArcNode {
[INFO] [stderr]     |                                                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/mod.rs:268:26
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub type ArcHandle = Arc<Handle + Send + Sync>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handle + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/mod.rs:479:24
[INFO] [stderr]     |
[INFO] [stderr] 479 | pub type ArcNode = Arc<Node + Send + Sync>;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Node + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:322:44
[INFO] [stderr]     |
[INFO] [stderr] 322 | fn apply_mapping(mapping: &Mapping, root: &nodes::Node, ids: &IdGenerator, cache: &Cache)
[INFO] [stderr]     |                                            ^^^^^^^^^^^ help: use `dyn`: `dyn nodes::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/dir.rs:223:50
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn new_empty(inode: u64, parent: Option<&Node>, now: time::Timespec) -> ArcNode {
[INFO] [stderr]     |                                                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/mod.rs:268:26
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub type ArcHandle = Arc<Handle + Send + Sync>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handle + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nodes/mod.rs:479:24
[INFO] [stderr]     |
[INFO] [stderr] 479 | pub type ArcNode = Arc<Node + Send + Sync>;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Node + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:322:44
[INFO] [stderr]     |
[INFO] [stderr] 322 | fn apply_mapping(mapping: &Mapping, root: &nodes::Node, ids: &IdGenerator, cache: &Cache)
[INFO] [stderr]     |                                            ^^^^^^^^^^^ help: use `dyn`: `dyn nodes::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:721:13
[INFO] [stderr]     |
[INFO] [stderr] 721 |         let mut session = fuse::Session::new(fs, &mount_point, &os_options)?;
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:19:9
[INFO] [stderr]     |
[INFO] [stderr] 19  | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(unused_mut)] implied by #[warn(unused)]
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:721:13
[INFO] [stderr]     |
[INFO] [stderr] 721 |         let mut session = fuse::Session::new(fs, &mount_point, &os_options)?;
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:19:9
[INFO] [stderr]     |
[INFO] [stderr] 19  | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(unused_mut)] implied by #[warn(unused)]
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `"docker" "inspect" "0eaa0ac1e5b7996c3e5c42322eeae0512c27f37edf1a4c7d4946ed09f2707a5d"`
[INFO] running `"docker" "rm" "-f" "0eaa0ac1e5b7996c3e5c42322eeae0512c27f37edf1a4c7d4946ed09f2707a5d"`
[INFO] [stdout] 0eaa0ac1e5b7996c3e5c42322eeae0512c27f37edf1a4c7d4946ed09f2707a5d