[INFO] crate sandboxfs 0.1.0 is already in cache
[INFO] extracting crate sandboxfs 0.1.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sandboxfs/0.1.0
[INFO] extracting crate sandboxfs 0.1.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sandboxfs/0.1.0
[INFO] validating manifest of sandboxfs-0.1.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sandboxfs-0.1.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sandboxfs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sandboxfs-0.1.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sandboxfs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 33d8970a5b6445a2cefdd2f0b0006ba84c7fff69808253c8a3e63a95abd7bc34
[INFO] running `"docker" "start" "-a" "33d8970a5b6445a2cefdd2f0b0006ba84c7fff69808253c8a3e63a95abd7bc34"`
[INFO] [stderr]    Compiling sandboxfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking nix v0.12.1
[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 13.32s
[INFO] running `"docker" "inspect" "33d8970a5b6445a2cefdd2f0b0006ba84c7fff69808253c8a3e63a95abd7bc34"`
[INFO] running `"docker" "rm" "-f" "33d8970a5b6445a2cefdd2f0b0006ba84c7fff69808253c8a3e63a95abd7bc34"`
[INFO] [stdout] 33d8970a5b6445a2cefdd2f0b0006ba84c7fff69808253c8a3e63a95abd7bc34